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  1. MariaDB Server
  2. MDEV-6871

Multi-value insert on MyISAM table that makes slaves crash

Details

    • Bug
    • Status: Closed (View Workflow)
    • Minor
    • Resolution: Fixed
    • 5.5.40
    • 5.5.41
    • None
    • Debian 7, MariaDB 5.5.40 from your repository

    Description

      This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication doesn't seem to matter.

      # Master
      MariaDB [test]> CREATE TABLE `test` (
          ->   `col1` int(11) NOT NULL,
          ->   `col2` int(11) NOT NULL,
          ->   PRIMARY KEY (`col1`,`col2`),
          ->   KEY `col2` (`col2`)
          -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
      Query OK, 0 rows affected (0.00 sec)
       
      # Both
      MariaDB [test]> show global variables like '%packet%';
      +--------------------------+------------+
      | Variable_name            | Value      |
      +--------------------------+------------+
      | max_allowed_packet       | 1073741824 |
      | slave_max_allowed_packet | 1073741824 |
      +--------------------------+------------+
      2 rows in set (0.00 sec)
       
      INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,712),(3311,713),(3312,714),(3312,715),(3312,716),(3313,717),(3313,1167),(3314,720),(3314,721),(3314,722),(3315,723),(3315,724),(3315,725),(3316,726),(3316,727),(3316,728),(3317,729),(3317,730),(3317,731),(3318,732),(3318,733),(3318,734),(3319,735),(3319,736),(3319,737),(3320,738),(3320,739),(3320,740),(3321,741),(3321,742),(3322,743),(3322,744),(3323,745),(3323,746),(3323,747),(3324,748),(3324,749),(3324,750),(3325,751),(3325,752),(3325,753),(3326,754),(3326,755),(3327,756),(3327,757),(3328,758),(3328,789),(3329,761),(3329,790),(3330,762),(3330,763),(3331,768),(3331,785),(3331,786),(3332,769),(3332,783),(3332,784),(3335,766),(3336,767),(3343,770),(3343,771),(3344,772),(3344,773),(3345,774),(3345,775),(3347,776),(3347,777),(3347,987),(3348,778),(3348,779),(3349,780),(3372,781),(3372,782),(3373,787),(3373,788),(3376,791),(3376,792),(3377,793),(3377,794),(3378,799),(3378,800),(3379,801),(3379,802),(3380,795),(3380,796),(3381,797),(3381,798),(3383,805),(3384,806),(3384,807),(3385,808),(3385,809),(3386,810),(3386,811),(3387,812),(3387,814),(3388,815),(3388,816),(3391,817),(3391,818),(3391,819),(3392,820),(3392,821),(3392,822),(3393,826),(3393,827),(3394,828),(3394,829),(3395,830),(3395,831),(3396,834),(3396,835),(3397,832),(3397,833),(3398,836),(3398,837),(3399,838),(3399,839),(3410,850),(3410,851),(3411,852),(3411,853),(3412,848),(3412,849),(3419,860),(3419,951),(3420,859),(3420,861),(3422,862),(3422,863),(3423,864),(3423,865),(3424,866),(3424,867),(3424,872),(3424,873),(3425,868),(3425,869),(3425,874),(3425,875),(3426,878),(3426,879),(3427,876),(3427,877),(3428,880),(3432,884),(3432,885),(3432,886),(3434,887),(3434,888),(3434,889),(3441,894),(3441,895),(3442,896),(3442,897),(3444,904),(3445,905),(3449,906),(3449,907),(3450,908),(3450,909),(3453,910),(3458,915),(3458,916),(3459,917),(3459,918),(3463,919),(3463,920),(3485,929),(3486,930),(3487,931),(3488,932),(3489,933),(3493,2),(3494,2),(3501,934),(3502,936),(3503,938),(3504,939),(3505,941),(3506,942),(3507,943),(3508,944),(3509,945),(3510,946),(3511,947),(3512,948),(3514,949),(3514,950),(3515,953),(3516,954),(3517,955),(3518,956),(3519,957),(3520,958),(3521,959),(3527,960),(3527,965),(3528,961),(3528,962),(3529,963),(3529,964),(3530,966),(3530,967),(3531,968),(3531,969),(3535,970),(3535,971),(3536,972),(3536,973),(3540,999),(3540,1000),(3541,1001),(8888,9999);
       
      # Results in
      141014 20:28:09 [ERROR] mysqld got signal 11 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see http://kb.askmonty.org/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 5.5.40-MariaDB-1~wheezy-log
      key_buffer_size=33554432
      read_buffer_size=2097152
      max_used_connections=2
      max_threads=1502
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x7f20a2c12000
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
      /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
      /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
      /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
      /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
      /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
      /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
      /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
      /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
      /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
      /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
      /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
      /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
      /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
      /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
      /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x0): is an invalid pointer
      Connection ID (thread ID): 1
      Status: NOT_KILLED

      Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

      for I in $(seq 1000 1670); do echo -n "($I,$I),"; done

      Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.

      Attachments

        Activity

          sophomeric Eric Webster created issue -
          sophomeric Eric Webster made changes -
          Field Original Value New Value
          Description This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication don't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED



          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine.
          This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication don't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,712),(3311,713),(3312,714),(3312,715),(3312,716),(3313,717),(3313,1167),(3314,720),(3314,721),(3314,722),(3315,723),(3315,724),(3315,725),(3316,726),(3316,727),(3316,728),(3317,729),(3317,730),(3317,731),(3318,732),(3318,733),(3318,734),(3319,735),(3319,736),(3319,737),(3320,738),(3320,739),(3320,740),(3321,741),(3321,742),(3322,743),(3322,744),(3323,745),(3323,746),(3323,747),(3324,748),(3324,749),(3324,750),(3325,751),(3325,752),(3325,753),(3326,754),(3326,755),(3327,756),(3327,757),(3328,758),(3328,789),(3329,761),(3329,790),(3330,762),(3330,763),(3331,768),(3331,785),(3331,786),(3332,769),(3332,783),(3332,784),(3335,766),(3336,767),(3343,770),(3343,771),(3344,772),(3344,773),(3345,774),(3345,775),(3347,776),(3347,777),(3347,987),(3348,778),(3348,779),(3349,780),(3372,781),(3372,782),(3373,787),(3373,788),(3376,791),(3376,792),(3377,793),(3377,794),(3378,799),(3378,800),(3379,801),(3379,802),(3380,795),(3380,796),(3381,797),(3381,798),(3383,805),(3384,806),(3384,807),(3385,808),(3385,809),(3386,810),(3386,811),(3387,812),(3387,814),(3388,815),(3388,816),(3391,817),(3391,818),(3391,819),(3392,820),(3392,821),(3392,822),(3393,826),(3393,827),(3394,828),(3394,829),(3395,830),(3395,831),(3396,834),(3396,835),(3397,832),(3397,833),(3398,836),(3398,837),(3399,838),(3399,839),(3410,850),(3410,851),(3411,852),(3411,853),(3412,848),(3412,849),(3419,860),(3419,951),(3420,859),(3420,861),(3422,862),(3422,863),(3423,864),(3423,865),(3424,866),(3424,867),(3424,872),(3424,873),(3425,868),(3425,869),(3425,874),(3425,875),(3426,878),(3426,879),(3427,876),(3427,877),(3428,880),(3432,884),(3432,885),(3432,886),(3434,887),(3434,888),(3434,889),(3441,894),(3441,895),(3442,896),(3442,897),(3444,904),(3445,905),(3449,906),(3449,907),(3450,908),(3450,909),(3453,910),(3458,915),(3458,916),(3459,917),(3459,918),(3463,919),(3463,920),(3485,929),(3486,930),(3487,931),(3488,932),(3489,933),(3493,2),(3494,2),(3501,934),(3502,936),(3503,938),(3504,939),(3505,941),(3506,942),(3507,943),(3508,944),(3509,945),(3510,946),(3511,947),(3512,948),(3514,949),(3514,950),(3515,953),(3516,954),(3517,955),(3518,956),(3519,957),(3520,958),(3521,959),(3527,960),(3527,965),(3528,961),(3528,962),(3529,963),(3529,964),(3530,966),(3530,967),(3531,968),(3531,969),(3535,970),(3535,971),(3536,972),(3536,973),(3540,999),(3540,1000),(3541,1001),(8888,9999);

          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED



          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.
          sophomeric Eric Webster made changes -
          Description This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication don't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED



          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.
          This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication don't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,712),(3311,713),(3312,714),(3312,715),(3312,716),(3313,717),(3313,1167),(3314,720),(3314,721),(3314,722),(3315,723),(3315,724),(3315,725),(3316,726),(3316,727),(3316,728),(3317,729),(3317,730),(3317,731),(3318,732),(3318,733),(3318,734),(3319,735),(3319,736),(3319,737),(3320,738),(3320,739),(3320,740),(3321,741),(3321,742),(3322,743),(3322,744),(3323,745),(3323,746),(3323,747),(3324,748),(3324,749),(3324,750),(3325,751),(3325,752),(3325,753),(3326,754),(3326,755),(3327,756),(3327,757),(3328,758),(3328,789),(3329,761),(3329,790),(3330,762),(3330,763),(3331,768),(3331,785),(3331,786),(3332,769),(3332,783),(3332,784),(3335,766),(3336,767),(3343,770),(3343,771),(3344,772),(3344,773),(3345,774),(3345,775),(3347,776),(3347,777),(3347,987),(3348,778),(3348,779),(3349,780),(3372,781),(3372,782),(3373,787),(3373,788),(3376,791),(3376,792),(3377,793),(3377,794),(3378,799),(3378,800),(3379,801),(3379,802),(3380,795),(3380,796),(3381,797),(3381,798),(3383,805),(3384,806),(3384,807),(3385,808),(3385,809),(3386,810),(3386,811),(3387,812),(3387,814),(3388,815),(3388,816),(3391,817),(3391,818),(3391,819),(3392,820),(3392,821),(3392,822),(3393,826),(3393,827),(3394,828),(3394,829),(3395,830),(3395,831),(3396,834),(3396,835),(3397,832),(3397,833),(3398,836),(3398,837),(3399,838),(3399,839),(3410,850),(3410,851),(3411,852),(3411,853),(3412,848),(3412,849),(3419,860),(3419,951),(3420,859),(3420,861),(3422,862),(3422,863),(3423,864),(3423,865),(3424,866),(3424,867),(3424,872),(3424,873),(3425,868),(3425,869),(3425,874),(3425,875),(3426,878),(3426,879),(3427,876),(3427,877),(3428,880),(3432,884),(3432,885),(3432,886),(3434,887),(3434,888),(3434,889),(3441,894),(3441,895),(3442,896),(3442,897),(3444,904),(3445,905),(3449,906),(3449,907),(3450,908),(3450,909),(3453,910),(3458,915),(3458,916),(3459,917),(3459,918),(3463,919),(3463,920),(3485,929),(3486,930),(3487,931),(3488,932),(3489,933),(3493,2),(3494,2),(3501,934),(3502,936),(3503,938),(3504,939),(3505,941),(3506,942),(3507,943),(3508,944),(3509,945),(3510,946),(3511,947),(3512,948),(3514,949),(3514,950),(3515,953),(3516,954),(3517,955),(3518,956),(3519,957),(3520,958),(3521,959),(3527,960),(3527,965),(3528,961),(3528,962),(3529,963),(3529,964),(3530,966),(3530,967),(3531,968),(3531,969),(3535,970),(3535,971),(3536,972),(3536,973),(3540,999),(3540,1000),(3541,1001),(8888,9999);

          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.
          elenst Elena Stepanova made changes -
          Assignee Elena Stepanova [ elenst ]

          Hi Eric,

          Could you please attach complete cnf files from master and slave, or output of SHOW VARIABLES?

          Is the server also 5.5.40, are both of them Debian 7 64-bit?

          Does the slave crash again when you try to restart it (and it attempts to replay the same event from the master, already written to the binlog but not executed on the slave yet, due to the crash)?

          (So far I couldn't reproduce it, hence the additional questions).

          elenst Elena Stepanova added a comment - Hi Eric, Could you please attach complete cnf files from master and slave, or output of SHOW VARIABLES? Is the server also 5.5.40, are both of them Debian 7 64-bit? Does the slave crash again when you try to restart it (and it attempts to replay the same event from the master, already written to the binlog but not executed on the slave yet, due to the crash)? (So far I couldn't reproduce it, hence the additional questions).
          elenst Elena Stepanova made changes -
          Due Date 2014-10-29
          sophomeric Eric Webster made changes -
          Description This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication don't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES 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          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.
          This insert will make all slaves crash if run on a MyISAM table. If the table is InnoDB it works fine. Statement based or row based replication doesn't seem to matter.

          {code}
          # Master
          MariaDB [test]> CREATE TABLE `test` (
              -> `col1` int(11) NOT NULL,
              -> `col2` int(11) NOT NULL,
              -> PRIMARY KEY (`col1`,`col2`),
              -> KEY `col2` (`col2`)
              -> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
          Query OK, 0 rows affected (0.00 sec)

          # Both
          MariaDB [test]> show global variables like '%packet%';
          +--------------------------+------------+
          | Variable_name | Value |
          +--------------------------+------------+
          | max_allowed_packet | 1073741824 |
          | slave_max_allowed_packet | 1073741824 |
          +--------------------------+------------+
          2 rows in set (0.00 sec)

          INSERT INTO `test` VALUES (2775,974),(2775,975),(2775,976),(2778,977),(2778,978),(2782,979),(2790,986),(2790,1139),(2792,840),(2792,984),(2792,989),(2793,982),(2793,992),(2793,993),(2793,994),(2795,323),(2795,332),(2797,980),(2797,997),(2797,998),(2798,1103),(2798,1104),(2799,841),(2799,985),(2799,988),(2833,983),(2833,990),(2833,991),(2834,981),(2834,995),(2834,996),(2835,316),(2835,317),(3007,854),(3007,856),(3008,855),(3008,857),(3009,823),(3009,824),(3014,1),(3015,1),(3016,2),(3017,2),(3018,3),(3019,3),(3024,842),(3024,843),(3024,844),(3025,845),(3025,846),(3025,847),(3040,31),(3041,32),(3042,52),(3042,55),(3043,53),(3043,54),(3044,278),(3044,279),(3044,280),(3044,281),(3044,282),(3044,283),(3044,284),(3044,285),(3045,1),(3046,1),(3049,220),(3050,221),(3050,222),(3051,2),(3052,2),(3053,223),(3054,224),(3055,225),(3056,226),(3057,227),(3058,228),(3059,229),(3060,327),(3066,236),(3067,237),(3068,238),(3069,239),(3070,240),(3080,241),(3081,242),(3082,247),(3083,248),(3084,249),(3085,250),(3086,251),(3087,252),(3088,253),(3089,254),(3090,255),(3091,256),(3092,257),(3093,258),(3094,259),(3096,263),(3097,264),(3100,273),(3100,302),(3101,266),(3102,267),(3103,268),(3104,269),(3105,270),(3111,275),(3112,238),(3113,272),(3115,286),(3116,318),(3116,319),(3117,290),(3117,292),(3118,238),(3119,291),(3119,293),(3120,304),(3121,305),(3122,306),(3123,307),(3124,308),(3125,309),(3126,310),(3127,311),(3128,312),(3128,336),(3129,313),(3129,350),(3130,314),(3131,315),(3131,351),(3132,325),(3132,328),(3134,502),(3138,334),(3139,338),(3139,339),(3140,340),(3140,341),(3141,344),(3141,345),(3142,346),(3142,347),(3149,351),(3149,354),(3150,351),(3150,356),(3152,358),(3152,359),(3153,361),(3153,370),(3154,363),(3154,369),(3156,350),(3156,371),(3159,376),(3160,377),(3160,379),(3160,384),(3161,378),(3161,380),(3161,383),(3162,388),(3162,389),(3162,390),(3169,392),(3169,393),(3169,394),(3170,395),(3170,396),(3170,397),(3171,398),(3171,399),(3171,400),(3172,401),(3172,402),(3172,403),(3173,404),(3173,405),(3173,406),(3178,351),(3178,421),(3190,411),(3190,412),(3191,413),(3191,414),(3192,415),(3192,416),(3193,417),(3193,418),(3194,419),(3194,420),(3195,353),(3195,424),(3196,425),(3196,426),(3197,427),(3197,428),(3198,429),(3198,430),(3199,431),(3199,432),(3200,433),(3200,434),(3201,435),(3201,436),(3202,437),(3202,438),(3203,439),(3203,440),(3204,441),(3204,442),(3205,443),(3205,444),(3206,445),(3206,446),(3207,447),(3207,448),(3208,449),(3208,450),(3209,451),(3209,452),(3210,453),(3210,454),(3211,455),(3211,456),(3212,457),(3212,458),(3213,459),(3213,460),(3214,461),(3214,462),(3215,463),(3215,464),(3218,466),(3218,467),(3218,468),(3219,469),(3219,470),(3219,471),(3220,474),(3220,475),(3220,476),(3221,477),(3221,478),(3221,479),(3222,480),(3222,481),(3223,482),(3223,483),(3224,484),(3224,485),(3225,486),(3225,487),(3227,503),(3227,505),(3228,506),(3228,507),(3230,508),(3230,509),(3231,510),(3231,511),(3232,512),(3232,513),(3233,514),(3233,515),(3234,516),(3234,517),(3235,518),(3235,519),(3237,521),(3237,522),(3239,524),(3239,525),(3240,526),(3240,527),(3241,528),(3241,529),(3242,530),(3242,531),(3243,532),(3243,533),(3244,534),(3244,535),(3245,536),(3245,537),(3246,538),(3246,539),(3252,540),(3252,541),(3254,543),(3254,544),(3254,545),(3255,547),(3255,548),(3255,571),(3256,550),(3256,551),(3256,572),(3257,553),(3257,554),(3257,573),(3258,556),(3258,557),(3258,574),(3259,559),(3259,560),(3259,575),(3260,561),(3260,562),(3260,563),(3261,565),(3261,576),(3262,566),(3262,567),(3263,568),(3263,569),(3263,570),(3264,577),(3264,578),(3265,579),(3265,580),(3266,581),(3266,582),(3266,591),(3267,583),(3267,584),(3267,592),(3268,585),(3268,586),(3268,593),(3269,587),(3269,588),(3269,594),(3270,589),(3270,590),(3271,595),(3271,596),(3271,597),(3272,598),(3272,599),(3273,600),(3273,601),(3273,602),(3274,603),(3274,604),(3274,605),(3275,606),(3275,607),(3275,608),(3276,609),(3276,610),(3276,611),(3277,612),(3277,613),(3277,614),(3278,615),(3278,616),(3279,617),(3279,618),(3279,619),(3279,628),(3279,629),(3280,620),(3280,621),(3280,622),(3281,623),(3281,624),(3281,625),(3282,626),(3282,825),(3283,630),(3283,631),(3284,632),(3284,633),(3284,634),(3285,635),(3285,940),(3286,638),(3286,639),(3286,640),(3287,641),(3287,642),(3287,643),(3288,644),(3288,645),(3288,646),(3289,647),(3289,648),(3289,649),(3290,650),(3290,651),(3290,652),(3291,653),(3291,654),(3291,655),(3292,656),(3292,657),(3292,658),(3293,659),(3293,660),(3293,661),(3294,662),(3294,663),(3294,664),(3295,665),(3295,666),(3295,667),(3296,668),(3296,669),(3296,670),(3297,671),(3297,672),(3297,673),(3298,674),(3298,675),(3298,676),(3299,677),(3299,678),(3299,679),(3300,680),(3300,681),(3300,682),(3301,683),(3301,684),(3301,685),(3302,686),(3302,687),(3302,688),(3303,689),(3303,690),(3303,691),(3304,692),(3304,693),(3304,694),(3305,695),(3305,696),(3305,697),(3306,698),(3306,699),(3306,700),(3307,701),(3307,702),(3307,703),(3308,704),(3308,705),(3308,706),(3309,707),(3309,708),(3310,709),(3310,710),(3311,711),(3311,7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          # Results in
          141014 20:28:09 [ERROR] mysqld got signal 11 ;
          This could be because you hit a bug. It is also possible that this binary
          or one of the libraries it was linked against is corrupt, improperly built,
          or misconfigured. This error can also be caused by malfunctioning hardware.

          To report this bug, see http://kb.askmonty.org/en/reporting-bugs

          We will try our best to scrape up some info that will hopefully help
          diagnose the problem, but since we have already crashed,
          something is definitely wrong and this may fail.

          Server version: 5.5.40-MariaDB-1~wheezy-log
          key_buffer_size=33554432
          read_buffer_size=2097152
          max_used_connections=2
          max_threads=1502
          thread_count=1
          It is possible that mysqld could use up to
          key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 15440031 K bytes of memory
          Hope that's ok; if not, decrease some variables in the equation.

          Thread pointer: 0x0x7f20a2c12000
          Attempting backtrace. You can use the following information to find out
          where mysqld died. If you see no messages after this, something went
          terribly wrong...
          stack_bottom = 0x7f20cec7f970 thread_stack 0x40000
          /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f20cf5d4f3b]
          /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7f20cf20dc12]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7f20ce906030]
          /lib/x86_64-linux-gnu/libc.so.6(+0x1235c8)[0x7f20cd2545c8]
          /usr/sbin/mysqld(+0x8507e5)[0x7f20cf5857e5]
          /usr/sbin/mysqld(+0x851a51)[0x7f20cf586a51]
          /usr/sbin/mysqld(+0x851cca)[0x7f20cf586cca]
          /usr/sbin/mysqld(+0x851c78)[0x7f20cf586c78]
          /usr/sbin/mysqld(+0x852121)[0x7f20cf587121]
          /usr/sbin/mysqld(+0x850bbd)[0x7f20cf585bbd]
          /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0xb1)[0x7f20cf215541]
          /usr/sbin/mysqld(_ZN14Rows_log_event9write_rowEPK14Relay_log_infob+0x145)[0x7f20cf2ccbf5]
          /usr/sbin/mysqld(_ZN20Write_rows_log_event11do_exec_rowEPK14Relay_log_info+0x22)[0x7f20cf2ccfd2]
          /usr/sbin/mysqld(_ZN14Rows_log_event14do_apply_eventEPK14Relay_log_info+0x252)[0x7f20cf2c2952]
          /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14Relay_log_info+0x17d)[0x7f20cf06eedd]
          /usr/sbin/mysqld(handle_slave_sql+0x830)[0x7f20cf06fd40]
          /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f20ce8fdb50]
          /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f20cd20ce6d]

          Trying to get some variables.
          Some pointers may be invalid and cause the dump to abort.
          Query (0x0): is an invalid pointer
          Connection ID (thread ID): 1
          Status: NOT_KILLED
          {code}

          Remove any one record to make it 669 total and it works fine. However, it doesn't seem to be just any data. An insert generated with something like:

          {code}
          for I in $(seq 1000 1670); do echo -n "($I,$I),"; done
          {code}

          Works just fine. However, the statement I've provided above will crash it without fail. Remove the secondary index and it also works just fine. The insert was taken from a mysqldump of another 5.5 host. I backed out the amount it was inserting until I found where it didn't crash.
          sophomeric Eric Webster added a comment -

          They are both 5.5.40 and Debian 64-bit. I originally hit the issue on 5.5.39 but upgraded and tested on 5.5.40 to make sure it wasn't fixed in a later version if an actual bug.

          I am using mysql-multi if that's relevant, with this setup:

          [mysqld_safe]
          ledir                    = /usr/local/sbin
          mysqld                   = mysqld_using_numactl
           
          root@host:/usr/local/sbin$cat mysqld_using_numactl 
          #!/bin/bash
          # work around to startup mysqld using numactl
           
          numactl=/usr/bin/numactl
          mysqld=/usr/sbin/mysqld
           
          # use exec to avoid having an extra shell around.
          exec ${numactl} --interleave all ${mysqld} "$@"

          Show variables output from master:

          aria_block_size                                    8192
          aria_checkpoint_interval                           30
          aria_checkpoint_log_activity                       1048576
          aria_force_start_after_recovery_failures           0
          aria_group_commit                                  none
          aria_group_commit_interval                         0
          aria_log_file_size                                 1073741824
          aria_log_purge_type                                immediate
          aria_max_sort_file_size                            9223372036853727232
          aria_page_checksum                                 ON
          aria_pagecache_age_threshold                       300
          aria_pagecache_buffer_size                         134217728
          aria_pagecache_division_limit                      100
          aria_recover                                       NORMAL
          aria_repair_threads                                1
          aria_sort_buffer_size                              134217728
          aria_stats_method                                  nulls_unequal
          aria_sync_log_dir                                  NEWFILE
          aria_used_for_temp_tables                          ON
          auto_increment_increment                           1
          auto_increment_offset                              1
          autocommit                                         ON
          automatic_sp_privileges                            ON
          back_log                                           50
          basedir                                            /usr
          big_tables                                         OFF
          binlog_annotate_row_events                         ON
          binlog_cache_size                                  32768
          binlog_checksum                                    NONE
          binlog_direct_non_transactional_updates            OFF
          binlog_format                                      ROW
          binlog_optimize_thread_scheduling                  ON
          binlog_stmt_cache_size                             32768
          bulk_insert_buffer_size                            8388608
          character_set_client                               utf8
          character_set_connection                           utf8
          character_set_database                             latin1
          character_set_filesystem                           binary
          character_set_results                              utf8
          character_set_server                               latin1
          character_set_system                               utf8
          character_sets_dir                                 /usr/share/mysql/charsets/
          collation_connection                               utf8_general_ci
          collation_database                                 latin1_swedish_ci
          collation_server                                   latin1_swedish_ci
          completion_type                                    NO_CHAIN
          concurrent_insert                                  AUTO
          connect_timeout                                    10
          datadir                                            /data/mysql-1/
          date_format                                        %Y-%m-%d
          datetime_format                                    %Y-%m-%d                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             %H:%i:%s
          deadlock_search_depth_long                         15
          deadlock_search_depth_short                        4
          deadlock_timeout_long                              50000000
          deadlock_timeout_short                             10000
          debug_no_thread_alarm                              OFF
          default_storage_engine                             InnoDB
          default_week_format                                0
          delay_key_write                                    ON
          delayed_insert_limit                               100
          delayed_insert_timeout                             300
          delayed_queue_size                                 1000
          div_precision_increment                            2
          engine_condition_pushdown                          OFF
          error_count                                        0
          event_scheduler                                    OFF
          expensive_subquery_limit                           100
          expire_logs_days                                   3
          external_user
          extra_max_connections                              1
          extra_port                                         0
          flush                                              OFF
          flush_time                                         0
          foreign_key_checks                                 ON
          ft_boolean_syntax                                  +                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    -><()~*:""&|
          ft_max_word_len                                    84
          ft_min_word_len                                    4
          ft_query_expansion_limit                           20
          ft_stopword_file                                   (built-in)
          general_log                                        OFF
          general_log_file                                   /data/mysql-1/mysqld.log
          group_concat_max_len                               1024
          have_compress                                      YES
          have_crypt                                         YES
          have_csv                                           YES
          have_dynamic_loading                               YES
          have_geometry                                      YES
          have_innodb                                        YES
          have_ndbcluster                                    NO
          have_openssl                                       DISABLED
          have_partitioning                                  YES
          have_profiling                                     YES
          have_query_cache                                   YES
          have_rtree_keys                                    YES
          have_ssl                                           DISABLED
          have_symlink                                       YES
          identity                                           0
          ignore_builtin_innodb                              OFF
          ignore_db_dirs
          in_transaction                                     0
          init_connect
          init_file
          init_slave
          innodb_adaptive_flushing                           ON
          innodb_adaptive_flushing_method                    estimate
          innodb_adaptive_hash_index                         ON
          innodb_adaptive_hash_index_partitions              1
          innodb_additional_mem_pool_size                    8388608
          innodb_autoextend_increment                        8
          innodb_autoinc_lock_mode                           1
          innodb_blocking_buffer_pool_restore                OFF
          innodb_buffer_pool_instances                       1
          innodb_buffer_pool_populate                        OFF
          innodb_buffer_pool_restore_at_startup              0
          innodb_buffer_pool_shm_checksum                    ON
          innodb_buffer_pool_shm_key                         0
          innodb_buffer_pool_size                            134217728
          innodb_change_buffering                            all
          innodb_checkpoint_age_target                       0
          innodb_checksums                                   ON
          innodb_commit_concurrency                          0
          innodb_concurrency_tickets                         500
          innodb_corrupt_table_action                        assert
          innodb_data_file_path                              ibdata1:10M:autoextend
          innodb_data_home_dir
          innodb_dict_size_limit                             0
          innodb_doublewrite                                 ON
          innodb_doublewrite_file
          innodb_fake_changes                                OFF
          innodb_fast_checksum                               OFF
          innodb_fast_shutdown                               1
          innodb_file_format                                 Barracuda
          innodb_file_format_check                           ON
          innodb_file_format_max                             Barracuda
          innodb_file_per_table                              ON
          innodb_flush_log_at_trx_commit                     2
          innodb_flush_method                                O_DIRECT
          innodb_flush_neighbor_pages                        area
          innodb_force_load_corrupted                        OFF
          innodb_force_recovery                              0
          innodb_ibuf_accel_rate                             100
          innodb_ibuf_active_contract                        1
          innodb_ibuf_max_size                               67092480
          innodb_import_table_from_xtrabackup                0
          innodb_io_capacity                                 200
          innodb_kill_idle_transaction                       0
          innodb_large_prefix                                OFF
          innodb_lazy_drop_table                             0
          innodb_lock_wait_timeout                           50
          innodb_locking_fake_changes                        ON
          innodb_locks_unsafe_for_binlog                     OFF
          innodb_log_block_size                              512
          innodb_log_buffer_size                             8388608
          innodb_log_file_size                               536870912
          innodb_log_files_in_group                          2
          innodb_log_group_home_dir                          ./
          innodb_max_bitmap_file_size                        104857600
          innodb_max_changed_pages                           1000000
          innodb_max_dirty_pages_pct                         75
          innodb_max_purge_lag                               0
          innodb_merge_sort_block_size                       1048576
          innodb_mirrored_log_groups                         1
          innodb_old_blocks_pct                              37
          innodb_old_blocks_time                             1000
          innodb_open_files                                  300
          innodb_page_size                                   16384
          innodb_print_all_deadlocks                         OFF
          innodb_purge_batch_size                            20
          innodb_purge_threads                               1
          innodb_random_read_ahead                           OFF
          innodb_read_ahead                                  linear
          innodb_read_ahead_threshold                        56
          innodb_read_io_threads                             4
          innodb_recovery_stats                              OFF
          innodb_recovery_update_relay_log                   OFF
          innodb_replication_delay                           0
          innodb_rollback_on_timeout                         OFF
          innodb_rollback_segments                           128
          innodb_show_locks_held                             10
          innodb_show_verbose_locks                          0
          innodb_simulate_comp_failures                      0
          innodb_spin_wait_delay                             6
          innodb_stats_auto_update                           1
          innodb_stats_method                                nulls_equal
          innodb_stats_on_metadata                           OFF
          innodb_stats_sample_pages                          8
          innodb_stats_update_need_lock                      1
          innodb_strict_mode                                 ON
          innodb_support_xa                                  ON
          innodb_sync_spin_loops                             30
          innodb_table_locks                                 ON
          innodb_thread_concurrency                          0
          innodb_thread_concurrency_timer_based              OFF
          innodb_thread_sleep_delay                          10000
          innodb_track_changed_pages                         OFF
          innodb_use_atomic_writes                           OFF
          innodb_use_fallocate                               OFF
          innodb_use_global_flush_log_at_trx_commit          ON
          innodb_use_native_aio                              ON
          innodb_use_stacktrace                              OFF
          innodb_use_sys_malloc                              ON
          innodb_use_sys_stats_table                         OFF
          innodb_version                                     5.5.40-MariaDB-36.1
          innodb_write_io_threads                            4
          insert_id                                          0
          interactive_timeout                                28800
          join_buffer_size                                   8388608
          join_buffer_space_limit                            2097152
          join_cache_level                                   2
          keep_files_on_create                               OFF
          key_buffer_size                                    33554432
          key_cache_age_threshold                            300
          key_cache_block_size                               1024
          key_cache_division_limit                           100
          key_cache_segments                                 0
          large_files_support                                ON
          large_page_size                                    0
          large_pages                                        OFF
          last_insert_id                                     0
          lc_messages                                        en_US
          lc_messages_dir                                    /usr/share/mysql
          lc_time_names                                      en_US
          license                                            GPL
          local_infile                                       ON
          lock_wait_timeout                                  31536000
          locked_in_memory                                   OFF
          log                                                OFF
          log_bin                                            ON
          log_bin_trust_function_creators                    OFF
          log_error                                          /data/mysql-1/mysqld.err
          log_output                                         FILE
          log_queries_not_using_indexes                      OFF
          log_slave_updates                                  ON
          log_slow_filter                                    admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
          log_slow_queries                                   ON
          log_slow_rate_limit                                1
          log_slow_verbosity                                 query_plan
          log_warnings                                       2
          long_query_time                                    1.000000
          low_priority_updates                               OFF
          lower_case_file_system                             OFF
          lower_case_table_names                             0
          master_verify_checksum                             OFF
          max_allowed_packet                                 1073741824
          max_binlog_cache_size                              18446744073709547520
          max_binlog_size                                    104857600
          max_binlog_stmt_cache_size                         18446744073709547520
          max_connect_errors                                 100000
          max_connections                                    1500
          max_delayed_threads                                20
          max_error_count                                    64
          max_heap_table_size                                16777216
          max_insert_delayed_threads                         20
          max_join_size                                      18446744073709551615
          max_length_for_sort_data                           1024
          max_long_data_size                                 1073741824
          max_prepared_stmt_count                            16382
          max_relay_log_size                                 0
          max_seeks_for_key                                  4294967295
          max_sort_length                                    1024
          max_sp_recursion_depth                             0
          max_tmp_tables                                     32
          max_user_connections                               0
          max_write_lock_count                               4294967295
          metadata_locks_cache_size                          1024
          min_examined_row_limit                             0
          mrr_buffer_size                                    262144
          multi_range_count                                  256
          myisam_block_size                                  1024
          myisam_data_pointer_size                           6
          myisam_max_sort_file_size                          9223372036853727232
          myisam_mmap_size                                   18446744073709551615
          myisam_recover_options                             BACKUP
          myisam_repair_threads                              1
          myisam_sort_buffer_size                            8388608
          myisam_stats_method                                nulls_unequal
          myisam_use_mmap                                    OFF
          net_buffer_length                                  16384
          net_read_timeout                                   30
          net_retry_count                                    10
          net_write_timeout                                  60
          old                                                OFF
          old_alter_table                                    OFF
          old_mode
          old_passwords                                      ON
          open_files_limit                                   30000
          optimizer_prune_level                              1
          optimizer_search_depth                             62
          optimizer_switch                                   index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off
          performance_schema                                 OFF
          performance_schema_events_waits_history_long_size  10000
          performance_schema_events_waits_history_size       10
          performance_schema_max_cond_classes                80
          performance_schema_max_cond_instances              1000
          performance_schema_max_file_classes                50
          performance_schema_max_file_handles                32768
          performance_schema_max_file_instances              10000
          performance_schema_max_mutex_classes               200
          performance_schema_max_mutex_instances             1000000
          performance_schema_max_rwlock_classes              30
          performance_schema_max_rwlock_instances            1000000
          performance_schema_max_table_handles               100000
          performance_schema_max_table_instances             50000
          performance_schema_max_thread_classes              50
          performance_schema_max_thread_instances            1000
          pid_file                                           /data/mysql-1/mysqld.pid
          plugin_dir                                         /usr/lib/mysql/plugin/
          plugin_maturity                                    unknown
          port                                               3306
          preload_buffer_size                                32768
          profiling                                          OFF
          profiling_history_size                             15
          progress_report_time                               5
          protocol_version                                   10
          proxy_user
          pseudo_slave_mode                                  OFF
          pseudo_thread_id                                   11
          query_alloc_block_size                             8192
          query_cache_limit                                  1048576
          query_cache_min_res_unit                           4096
          query_cache_size                                   8388608
          query_cache_strip_comments                         OFF
          query_cache_type                                   ON
          query_cache_wlock_invalidate                       OFF
          query_prealloc_size                                8192
          rand_seed1                                         0
          rand_seed2                                         0
          range_alloc_block_size                             4096
          read_buffer_size                                   2097152
          read_only                                          ON
          read_rnd_buffer_size                               262144
          relay_log                                          relay-bin
          relay_log_index                                    relay-bin.index
          relay_log_info_file                                relay-log.info
          relay_log_purge                                    ON
          relay_log_recovery                                 OFF
          relay_log_space_limit                              0
          replicate_annotate_row_events                      ON
          replicate_do_db
          replicate_do_table
          replicate_events_marked_for_skip                   replicate
          replicate_ignore_db
          replicate_ignore_table
          replicate_wild_do_table
          replicate_wild_ignore_table                        mysql.general_log,mysql.slow_log,localdata.%,lb_health.%
          report_password
          report_port                                        3306
          report_user
          rowid_merge_buff_size                              8388608
          rpl_recovery_rank                                  0
          secure_auth                                        OFF
          secure_file_priv
          server_id                                          3632211750
          skip_external_locking                              OFF
          skip_name_resolve                                  OFF
          skip_networking                                    OFF
          skip_replication                                   OFF
          skip_show_database                                 OFF
          slave_compressed_protocol                          OFF
          slave_exec_mode                                    STRICT
          slave_load_tmpdir                                  /data/mysql-1/tmp
          slave_max_allowed_packet                           1073741824
          slave_net_timeout                                  3600
          slave_skip_errors                                  OFF
          slave_sql_verify_checksum                          ON
          slave_transaction_retries                          10
          slave_type_conversions
          slow_launch_time                                   2
          slow_query_log                                     ON
          slow_query_log_file                                /data/mysql-1/slow_queries.log
          socket                                             /tmp/mysql-1.sock
          sort_buffer_size                                   8388608
          sql_auto_is_null                                   OFF
          sql_big_selects                                    ON
          sql_big_tables                                     OFF
          sql_buffer_result                                  OFF
          sql_log_bin                                        ON
          sql_log_off                                        OFF
          sql_low_priority_updates                           OFF
          sql_max_join_size                                  18446744073709551615
          sql_mode
          sql_notes                                          ON
          sql_quote_show_create                              ON
          sql_safe_updates                                   OFF
          sql_select_limit                                   18446744073709551615
          sql_slave_skip_counter                             0
          sql_warnings                                       OFF
          ssl_ca
          ssl_capath
          ssl_cert
          ssl_cipher
          ssl_key
          storage_engine                                     InnoDB
          stored_program_cache                               256
          sync_binlog                                        0
          sync_frm                                           ON
          sync_master_info                                   0
          sync_relay_log                                     0
          sync_relay_log_info                                0
          system_time_zone                                   GMT
          table_definition_cache                             2048
          table_open_cache                                   2048
          thread_cache_size                                  16
          thread_concurrency                                 10
          thread_handling                                    one-thread-per-connection
          thread_pool_idle_timeout                           60
          thread_pool_max_threads                            500
          thread_pool_oversubscribe                          3
          thread_pool_size                                   24
          thread_pool_stall_limit                            500
          thread_stack                                       262144
          time_format                                        %H:%i:%s
          time_zone                                          SYSTEM
          timed_mutexes                                      OFF
          timestamp                                          1413399455.374560
          tmp_table_size                                     16777216
          tmpdir                                             /data/mysql-1/tmp
          transaction_alloc_block_size                       8192
          transaction_prealloc_size                          4096
          tx_isolation                                       REPEATABLE-READ
          unique_checks                                      ON
          updatable_views_with_limit                         YES
          userstat                                           OFF
          version                                            5.5.40-MariaDB-1~wheezy-log
          version_comment                                    mariadb.org                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          binary        distribution
          version_compile_machine                            x86_64
          version_compile_os                                 debian-linux-gnu
          wait_timeout                                       28800
          warning_count                                      0

          Show variables output from slave:

          aria_block_size                                    8192
          aria_checkpoint_interval                           30
          aria_checkpoint_log_activity                       1048576
          aria_force_start_after_recovery_failures           0
          aria_group_commit                                  none
          aria_group_commit_interval                         0
          aria_log_file_size                                 1073741824
          aria_log_purge_type                                immediate
          aria_max_sort_file_size                            9223372036853727232
          aria_page_checksum                                 ON
          aria_pagecache_age_threshold                       300
          aria_pagecache_buffer_size                         134217728
          aria_pagecache_division_limit                      100
          aria_recover                                       NORMAL
          aria_repair_threads                                1
          aria_sort_buffer_size                              134217728
          aria_stats_method                                  nulls_unequal
          aria_sync_log_dir                                  NEWFILE
          aria_used_for_temp_tables                          ON
          auto_increment_increment                           1
          auto_increment_offset                              1
          autocommit                                         ON
          automatic_sp_privileges                            ON
          back_log                                           50
          basedir                                            /usr
          big_tables                                         OFF
          binlog_annotate_row_events                         OFF
          binlog_cache_size                                  32768
          binlog_checksum                                    NONE
          binlog_direct_non_transactional_updates            OFF
          binlog_format                                      STATEMENT
          binlog_optimize_thread_scheduling                  ON
          binlog_stmt_cache_size                             32768
          bulk_insert_buffer_size                            16777216
          character_set_client                               utf8
          character_set_connection                           utf8
          character_set_database                             latin1
          character_set_filesystem                           binary
          character_set_results                              utf8
          character_set_server                               latin1
          character_set_system                               utf8
          character_sets_dir                                 /usr/share/mysql/charsets/
          collation_connection                               utf8_general_ci
          collation_database                                 latin1_swedish_ci
          collation_server                                   latin1_swedish_ci
          completion_type                                    NO_CHAIN
          concurrent_insert                                  ALWAYS
          connect_timeout                                    5
          datadir                                            /data/mysql-1/
          date_format                                        %Y-%m-%d
          datetime_format                                    %Y-%m-%d                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             %H:%i:%s
          deadlock_search_depth_long                         15
          deadlock_search_depth_short                        4
          deadlock_timeout_long                              50000000
          deadlock_timeout_short                             10000
          debug_no_thread_alarm                              OFF
          default_storage_engine                             InnoDB
          default_week_format                                0
          delay_key_write                                    ON
          delayed_insert_limit                               100
          delayed_insert_timeout                             300
          delayed_queue_size                                 1000
          div_precision_increment                            2
          engine_condition_pushdown                          OFF
          error_count                                        0
          event_scheduler                                    OFF
          expensive_subquery_limit                           100
          expire_logs_days                                   3
          external_user
          extra_max_connections                              1
          extra_port                                         0
          flush                                              OFF
          flush_time                                         0
          foreign_key_checks                                 ON
          ft_boolean_syntax                                  +                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    -><()~*:""&|
          ft_max_word_len                                    84
          ft_min_word_len                                    4
          ft_query_expansion_limit                           20
          ft_stopword_file                                   (built-in)
          general_log                                        OFF
          general_log_file                                   /data/mysql-1/mysqld.log
          group_concat_max_len                               1024
          have_compress                                      YES
          have_crypt                                         YES
          have_csv                                           YES
          have_dynamic_loading                               YES
          have_geometry                                      YES
          have_innodb                                        YES
          have_ndbcluster                                    NO
          have_openssl                                       DISABLED
          have_partitioning                                  YES
          have_profiling                                     YES
          have_query_cache                                   YES
          have_rtree_keys                                    YES
          have_ssl                                           DISABLED
          have_symlink                                       YES
          identity                                           0
          ignore_builtin_innodb                              OFF
          ignore_db_dirs
          in_transaction                                     0
          init_connect
          init_file
          init_slave
          innodb_adaptive_flushing                           ON
          innodb_adaptive_flushing_method                    estimate
          innodb_adaptive_hash_index                         ON
          innodb_adaptive_hash_index_partitions              1
          innodb_additional_mem_pool_size                    8388608
          innodb_autoextend_increment                        8
          innodb_autoinc_lock_mode                           1
          innodb_blocking_buffer_pool_restore                OFF
          innodb_buffer_pool_instances                       1
          innodb_buffer_pool_populate                        OFF
          innodb_buffer_pool_restore_at_startup              0
          innodb_buffer_pool_shm_checksum                    ON
          innodb_buffer_pool_shm_key                         0
          innodb_buffer_pool_size                            268435456
          innodb_change_buffering                            all
          innodb_checkpoint_age_target                       0
          innodb_checksums                                   ON
          innodb_commit_concurrency                          0
          innodb_concurrency_tickets                         500
          innodb_corrupt_table_action                        assert
          innodb_data_file_path                              ibdata1:10M:autoextend
          innodb_data_home_dir
          innodb_dict_size_limit                             0
          innodb_doublewrite                                 ON
          innodb_doublewrite_file
          innodb_fake_changes                                OFF
          innodb_fast_checksum                               OFF
          innodb_fast_shutdown                               1
          innodb_file_format                                 Barracuda
          innodb_file_format_check                           ON
          innodb_file_format_max                             Barracuda
          innodb_file_per_table                              ON
          innodb_flush_log_at_trx_commit                     2
          innodb_flush_method                                O_DIRECT
          innodb_flush_neighbor_pages                        area
          innodb_force_load_corrupted                        OFF
          innodb_force_recovery                              0
          innodb_ibuf_accel_rate                             100
          innodb_ibuf_active_contract                        1
          innodb_ibuf_max_size                               134201344
          innodb_import_table_from_xtrabackup                0
          innodb_io_capacity                                 400
          innodb_kill_idle_transaction                       0
          innodb_large_prefix                                OFF
          innodb_lazy_drop_table                             0
          innodb_lock_wait_timeout                           50
          innodb_locking_fake_changes                        ON
          innodb_locks_unsafe_for_binlog                     OFF
          innodb_log_block_size                              512
          innodb_log_buffer_size                             8388608
          innodb_log_file_size                               536870912
          innodb_log_files_in_group                          2
          innodb_log_group_home_dir                          ./
          innodb_max_bitmap_file_size                        104857600
          innodb_max_changed_pages                           1000000
          innodb_max_dirty_pages_pct                         75
          innodb_max_purge_lag                               0
          innodb_merge_sort_block_size                       1048576
          innodb_mirrored_log_groups                         1
          innodb_old_blocks_pct                              37
          innodb_old_blocks_time                             1000
          innodb_open_files                                  400
          innodb_page_size                                   16384
          innodb_print_all_deadlocks                         OFF
          innodb_purge_batch_size                            20
          innodb_purge_threads                               1
          innodb_random_read_ahead                           OFF
          innodb_read_ahead                                  linear
          innodb_read_ahead_threshold                        56
          innodb_read_io_threads                             4
          innodb_recovery_stats                              OFF
          innodb_recovery_update_relay_log                   OFF
          innodb_replication_delay                           0
          innodb_rollback_on_timeout                         OFF
          innodb_rollback_segments                           128
          innodb_show_locks_held                             10
          innodb_show_verbose_locks                          0
          innodb_simulate_comp_failures                      0
          innodb_spin_wait_delay                             6
          innodb_stats_auto_update                           1
          innodb_stats_method                                nulls_equal
          innodb_stats_on_metadata                           OFF
          innodb_stats_sample_pages                          8
          innodb_stats_update_need_lock                      1
          innodb_strict_mode                                 ON
          innodb_support_xa                                  ON
          innodb_sync_spin_loops                             30
          innodb_table_locks                                 ON
          innodb_thread_concurrency                          0
          innodb_thread_concurrency_timer_based              OFF
          innodb_thread_sleep_delay                          10000
          innodb_track_changed_pages                         OFF
          innodb_use_atomic_writes                           OFF
          innodb_use_fallocate                               OFF
          innodb_use_global_flush_log_at_trx_commit          ON
          innodb_use_native_aio                              ON
          innodb_use_stacktrace                              OFF
          innodb_use_sys_malloc                              ON
          innodb_use_sys_stats_table                         OFF
          innodb_version                                     5.5.40-MariaDB-36.1
          innodb_write_io_threads                            4
          insert_id                                          0
          interactive_timeout                                28800
          join_buffer_size                                   8388608
          join_buffer_space_limit                            2097152
          join_cache_level                                   2
          keep_files_on_create                               OFF
          key_buffer_size                                    33554432
          key_cache_age_threshold                            300
          key_cache_block_size                               1024
          key_cache_division_limit                           100
          key_cache_segments                                 0
          large_files_support                                ON
          large_page_size                                    0
          large_pages                                        OFF
          last_insert_id                                     0
          lc_messages                                        en_US
          lc_messages_dir                                    /usr/share/mysql
          lc_time_names                                      en_US
          license                                            GPL
          local_infile                                       ON
          lock_wait_timeout                                  31536000
          locked_in_memory                                   OFF
          log                                                OFF
          log_bin                                            ON
          log_bin_trust_function_creators                    OFF
          log_error                                          /data/mysql-1/mysqld.err
          log_output                                         FILE
          log_queries_not_using_indexes                      OFF
          log_slave_updates                                  OFF
          log_slow_filter                                    admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
          log_slow_queries                                   ON
          log_slow_rate_limit                                1
          log_slow_verbosity                                 query_plan
          log_warnings                                       2
          long_query_time                                    1.000000
          low_priority_updates                               OFF
          lower_case_file_system                             OFF
          lower_case_table_names                             0
          master_verify_checksum                             OFF
          max_allowed_packet                                 1073741824
          max_binlog_cache_size                              18446744073709547520
          max_binlog_size                                    104857600
          max_binlog_stmt_cache_size                         18446744073709547520
          max_connect_errors                                 100000
          max_connections                                    1500
          max_delayed_threads                                20
          max_error_count                                    64
          max_heap_table_size                                16777216
          max_insert_delayed_threads                         20
          max_join_size                                      18446744073709551615
          max_length_for_sort_data                           1024
          max_long_data_size                                 1073741824
          max_prepared_stmt_count                            16382
          max_relay_log_size                                 0
          max_seeks_for_key                                  4294967295
          max_sort_length                                    1024
          max_sp_recursion_depth                             0
          max_tmp_tables                                     32
          max_user_connections                               0
          max_write_lock_count                               4294967295
          metadata_locks_cache_size                          1024
          min_examined_row_limit                             0
          mrr_buffer_size                                    262144
          multi_range_count                                  256
          myisam_block_size                                  1024
          myisam_data_pointer_size                           6
          myisam_max_sort_file_size                          9223372036853727232
          myisam_mmap_size                                   18446744073709551615
          myisam_recover_options                             BACKUP
          myisam_repair_threads                              1
          myisam_sort_buffer_size                            536870912
          myisam_stats_method                                nulls_unequal
          myisam_use_mmap                                    OFF
          net_buffer_length                                  16384
          net_read_timeout                                   30
          net_retry_count                                    10
          net_write_timeout                                  60
          old                                                OFF
          old_alter_table                                    OFF
          old_mode
          old_passwords                                      ON
          open_files_limit                                   30000
          optimizer_prune_level                              1
          optimizer_search_depth                             62
          optimizer_switch                                   index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off
          performance_schema                                 OFF
          performance_schema_events_waits_history_long_size  10000
          performance_schema_events_waits_history_size       10
          performance_schema_max_cond_classes                80
          performance_schema_max_cond_instances              1000
          performance_schema_max_file_classes                50
          performance_schema_max_file_handles                32768
          performance_schema_max_file_instances              10000
          performance_schema_max_mutex_classes               200
          performance_schema_max_mutex_instances             1000000
          performance_schema_max_rwlock_classes              30
          performance_schema_max_rwlock_instances            1000000
          performance_schema_max_table_handles               100000
          performance_schema_max_table_instances             50000
          performance_schema_max_thread_classes              50
          performance_schema_max_thread_instances            1000
          pid_file                                           /data/mysql-1/mysqld.pid
          plugin_dir                                         /usr/lib/mysql/plugin/
          plugin_maturity                                    unknown
          port                                               3306
          preload_buffer_size                                32768
          profiling                                          OFF
          profiling_history_size                             15
          progress_report_time                               5
          protocol_version                                   10
          proxy_user
          pseudo_slave_mode                                  OFF
          pseudo_thread_id                                   8
          query_alloc_block_size                             8192
          query_cache_limit                                  131072
          query_cache_min_res_unit                           4096
          query_cache_size                                   8388608
          query_cache_strip_comments                         OFF
          query_cache_type                                   ON
          query_cache_wlock_invalidate                       OFF
          query_prealloc_size                                8192
          rand_seed1                                         0
          rand_seed2                                         0
          range_alloc_block_size                             4096
          read_buffer_size                                   2097152
          read_only                                          ON
          read_rnd_buffer_size                               1048576
          relay_log                                          relay-bin
          relay_log_index                                    relay-bin.index
          relay_log_info_file                                relay-log.info
          relay_log_purge                                    ON
          relay_log_recovery                                 OFF
          relay_log_space_limit                              0
          replicate_annotate_row_events                      OFF
          replicate_do_db
          replicate_do_table
          replicate_events_marked_for_skip                   replicate
          replicate_ignore_db
          replicate_ignore_table
          replicate_wild_do_table
          replicate_wild_ignore_table                        mysql.general_log,mysql.slow_log,localdata.%,lb_health.%
          report_password
          report_port                                        3306
          report_user
          rowid_merge_buff_size                              8388608
          rpl_recovery_rank                                  0
          secure_auth                                        OFF
          secure_file_priv
          server_id                                          3632211764
          skip_external_locking                              OFF
          skip_name_resolve                                  OFF
          skip_networking                                    OFF
          skip_replication                                   OFF
          skip_show_database                                 OFF
          slave_compressed_protocol                          OFF
          slave_exec_mode                                    STRICT
          slave_load_tmpdir                                  /data/mysql-1/tmp
          slave_max_allowed_packet                           1073741824
          slave_net_timeout                                  3600
          slave_skip_errors                                  OFF
          slave_sql_verify_checksum                          ON
          slave_transaction_retries                          10
          slave_type_conversions
          slow_launch_time                                   2
          slow_query_log                                     ON
          slow_query_log_file                                /data/mysql-1/slow_queries.log
          socket                                             /tmp/mysql-1.sock
          sort_buffer_size                                   8388608
          sql_auto_is_null                                   OFF
          sql_big_selects                                    ON
          sql_big_tables                                     OFF
          sql_buffer_result                                  OFF
          sql_log_bin                                        ON
          sql_log_off                                        OFF
          sql_low_priority_updates                           OFF
          sql_max_join_size                                  18446744073709551615
          sql_mode
          sql_notes                                          ON
          sql_quote_show_create                              ON
          sql_safe_updates                                   OFF
          sql_select_limit                                   18446744073709551615
          sql_slave_skip_counter                             0
          sql_warnings                                       OFF
          ssl_ca
          ssl_capath
          ssl_cert
          ssl_cipher
          ssl_key
          storage_engine                                     InnoDB
          stored_program_cache                               256
          sync_binlog                                        0
          sync_frm                                           ON
          sync_master_info                                   0
          sync_relay_log                                     0
          sync_relay_log_info                                0
          system_time_zone                                   GMT
          table_definition_cache                             2048
          table_open_cache                                   2048
          thread_cache_size                                  16
          thread_concurrency                                 10
          thread_handling                                    one-thread-per-connection
          thread_pool_idle_timeout                           60
          thread_pool_max_threads                            500
          thread_pool_oversubscribe                          3
          thread_pool_size                                   24
          thread_pool_stall_limit                            500
          thread_stack                                       262144
          time_format                                        %H:%i:%s
          time_zone                                          SYSTEM
          timed_mutexes                                      OFF
          timestamp                                          1413399710.331742
          tmp_table_size                                     16777216
          tmpdir                                             /data/mysql-1/tmp
          transaction_alloc_block_size                       8192
          transaction_prealloc_size                          4096
          tx_isolation                                       REPEATABLE-READ
          unique_checks                                      ON
          updatable_views_with_limit                         YES
          userstat                                           OFF
          version                                            5.5.40-MariaDB-1~wheezy-log
          version_comment                                    mariadb.org                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          binary        distribution
          version_compile_machine                            x86_64
          version_compile_os                                 debian-linux-gnu
          wait_timeout                                       600
          warning_count                                      0

          When it crashes and restarts, it ends up with:

                             Last_Error: Could not execute Write_rows event on table test.test; Duplicate entry '2775-974' for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event's master log mysql-bin.000003, end_log_pos 8785

          And if interesting, the slave ends up with:

          Database changed
          MariaDB [test]> select count(*) from test;
          +----------+
          | count(*) |
          +----------+
          |      620 |
          +----------+
          1 row in set (0.00 sec)

          And the master of course is fine, the query completes:

          MariaDB [test]> select count(*) from test;
          +----------+
          | count(*) |
          +----------+
          |      670 |
          +----------+
          1 row in set (0.00 sec)

          sophomeric Eric Webster added a comment - They are both 5.5.40 and Debian 64-bit. I originally hit the issue on 5.5.39 but upgraded and tested on 5.5.40 to make sure it wasn't fixed in a later version if an actual bug. I am using mysql-multi if that's relevant, with this setup: [mysqld_safe] ledir = /usr/local/sbin mysqld = mysqld_using_numactl   root@host:/usr/local/sbin$cat mysqld_using_numactl #!/bin/bash # work around to startup mysqld using numactl   numactl=/usr/bin/numactl mysqld=/usr/sbin/mysqld   # use exec to avoid having an extra shell around. exec ${numactl} --interleave all ${mysqld} "$@" Show variables output from master: aria_block_size 8192 aria_checkpoint_interval 30 aria_checkpoint_log_activity 1048576 aria_force_start_after_recovery_failures 0 aria_group_commit none aria_group_commit_interval 0 aria_log_file_size 1073741824 aria_log_purge_type immediate aria_max_sort_file_size 9223372036853727232 aria_page_checksum ON aria_pagecache_age_threshold 300 aria_pagecache_buffer_size 134217728 aria_pagecache_division_limit 100 aria_recover NORMAL aria_repair_threads 1 aria_sort_buffer_size 134217728 aria_stats_method nulls_unequal aria_sync_log_dir NEWFILE aria_used_for_temp_tables ON auto_increment_increment 1 auto_increment_offset 1 autocommit ON automatic_sp_privileges ON back_log 50 basedir /usr big_tables OFF binlog_annotate_row_events ON binlog_cache_size 32768 binlog_checksum NONE binlog_direct_non_transactional_updates OFF binlog_format ROW binlog_optimize_thread_scheduling ON binlog_stmt_cache_size 32768 bulk_insert_buffer_size 8388608 character_set_client utf8 character_set_connection utf8 character_set_database latin1 character_set_filesystem binary character_set_results utf8 character_set_server latin1 character_set_system utf8 character_sets_dir /usr/share/mysql/charsets/ collation_connection utf8_general_ci collation_database latin1_swedish_ci collation_server latin1_swedish_ci completion_type NO_CHAIN concurrent_insert AUTO connect_timeout 10 datadir /data/mysql-1/ date_format %Y-%m-%d datetime_format %Y-%m-%d %H:%i:%s deadlock_search_depth_long 15 deadlock_search_depth_short 4 deadlock_timeout_long 50000000 deadlock_timeout_short 10000 debug_no_thread_alarm OFF default_storage_engine InnoDB default_week_format 0 delay_key_write ON delayed_insert_limit 100 delayed_insert_timeout 300 delayed_queue_size 1000 div_precision_increment 2 engine_condition_pushdown OFF error_count 0 event_scheduler OFF expensive_subquery_limit 100 expire_logs_days 3 external_user extra_max_connections 1 extra_port 0 flush OFF flush_time 0 foreign_key_checks ON ft_boolean_syntax + -><()~*:""&| ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) general_log OFF general_log_file /data/mysql-1/mysqld.log group_concat_max_len 1024 have_compress YES have_crypt YES have_csv YES have_dynamic_loading YES have_geometry YES have_innodb YES have_ndbcluster NO have_openssl DISABLED have_partitioning YES have_profiling YES have_query_cache YES have_rtree_keys YES have_ssl DISABLED have_symlink YES identity 0 ignore_builtin_innodb OFF ignore_db_dirs in_transaction 0 init_connect init_file init_slave innodb_adaptive_flushing ON innodb_adaptive_flushing_method estimate innodb_adaptive_hash_index ON innodb_adaptive_hash_index_partitions 1 innodb_additional_mem_pool_size 8388608 innodb_autoextend_increment 8 innodb_autoinc_lock_mode 1 innodb_blocking_buffer_pool_restore OFF innodb_buffer_pool_instances 1 innodb_buffer_pool_populate OFF innodb_buffer_pool_restore_at_startup 0 innodb_buffer_pool_shm_checksum ON innodb_buffer_pool_shm_key 0 innodb_buffer_pool_size 134217728 innodb_change_buffering all innodb_checkpoint_age_target 0 innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_corrupt_table_action assert innodb_data_file_path ibdata1:10M:autoextend innodb_data_home_dir innodb_dict_size_limit 0 innodb_doublewrite ON innodb_doublewrite_file innodb_fake_changes OFF innodb_fast_checksum OFF innodb_fast_shutdown 1 innodb_file_format Barracuda innodb_file_format_check ON innodb_file_format_max Barracuda innodb_file_per_table ON innodb_flush_log_at_trx_commit 2 innodb_flush_method O_DIRECT innodb_flush_neighbor_pages area innodb_force_load_corrupted OFF innodb_force_recovery 0 innodb_ibuf_accel_rate 100 innodb_ibuf_active_contract 1 innodb_ibuf_max_size 67092480 innodb_import_table_from_xtrabackup 0 innodb_io_capacity 200 innodb_kill_idle_transaction 0 innodb_large_prefix OFF innodb_lazy_drop_table 0 innodb_lock_wait_timeout 50 innodb_locking_fake_changes ON innodb_locks_unsafe_for_binlog OFF innodb_log_block_size 512 innodb_log_buffer_size 8388608 innodb_log_file_size 536870912 innodb_log_files_in_group 2 innodb_log_group_home_dir ./ innodb_max_bitmap_file_size 104857600 innodb_max_changed_pages 1000000 innodb_max_dirty_pages_pct 75 innodb_max_purge_lag 0 innodb_merge_sort_block_size 1048576 innodb_mirrored_log_groups 1 innodb_old_blocks_pct 37 innodb_old_blocks_time 1000 innodb_open_files 300 innodb_page_size 16384 innodb_print_all_deadlocks OFF innodb_purge_batch_size 20 innodb_purge_threads 1 innodb_random_read_ahead OFF innodb_read_ahead linear innodb_read_ahead_threshold 56 innodb_read_io_threads 4 innodb_recovery_stats OFF innodb_recovery_update_relay_log OFF innodb_replication_delay 0 innodb_rollback_on_timeout OFF innodb_rollback_segments 128 innodb_show_locks_held 10 innodb_show_verbose_locks 0 innodb_simulate_comp_failures 0 innodb_spin_wait_delay 6 innodb_stats_auto_update 1 innodb_stats_method nulls_equal innodb_stats_on_metadata OFF innodb_stats_sample_pages 8 innodb_stats_update_need_lock 1 innodb_strict_mode ON innodb_support_xa ON innodb_sync_spin_loops 30 innodb_table_locks ON innodb_thread_concurrency 0 innodb_thread_concurrency_timer_based OFF innodb_thread_sleep_delay 10000 innodb_track_changed_pages OFF innodb_use_atomic_writes OFF innodb_use_fallocate OFF innodb_use_global_flush_log_at_trx_commit ON innodb_use_native_aio ON innodb_use_stacktrace OFF innodb_use_sys_malloc ON innodb_use_sys_stats_table OFF innodb_version 5.5.40-MariaDB-36.1 innodb_write_io_threads 4 insert_id 0 interactive_timeout 28800 join_buffer_size 8388608 join_buffer_space_limit 2097152 join_cache_level 2 keep_files_on_create OFF key_buffer_size 33554432 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 key_cache_segments 0 large_files_support ON large_page_size 0 large_pages OFF last_insert_id 0 lc_messages en_US lc_messages_dir /usr/share/mysql lc_time_names en_US license GPL local_infile ON lock_wait_timeout 31536000 locked_in_memory OFF log OFF log_bin ON log_bin_trust_function_creators OFF log_error /data/mysql-1/mysqld.err log_output FILE log_queries_not_using_indexes OFF log_slave_updates ON log_slow_filter admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk log_slow_queries ON log_slow_rate_limit 1 log_slow_verbosity query_plan log_warnings 2 long_query_time 1.000000 low_priority_updates OFF lower_case_file_system OFF lower_case_table_names 0 master_verify_checksum OFF max_allowed_packet 1073741824 max_binlog_cache_size 18446744073709547520 max_binlog_size 104857600 max_binlog_stmt_cache_size 18446744073709547520 max_connect_errors 100000 max_connections 1500 max_delayed_threads 20 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 20 max_join_size 18446744073709551615 max_length_for_sort_data 1024 max_long_data_size 1073741824 max_prepared_stmt_count 16382 max_relay_log_size 0 max_seeks_for_key 4294967295 max_sort_length 1024 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 4294967295 metadata_locks_cache_size 1024 min_examined_row_limit 0 mrr_buffer_size 262144 multi_range_count 256 myisam_block_size 1024 myisam_data_pointer_size 6 myisam_max_sort_file_size 9223372036853727232 myisam_mmap_size 18446744073709551615 myisam_recover_options BACKUP myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal myisam_use_mmap OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 old OFF old_alter_table OFF old_mode old_passwords ON open_files_limit 30000 optimizer_prune_level 1 optimizer_search_depth 62 optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off performance_schema OFF performance_schema_events_waits_history_long_size 10000 performance_schema_events_waits_history_size 10 performance_schema_max_cond_classes 80 performance_schema_max_cond_instances 1000 performance_schema_max_file_classes 50 performance_schema_max_file_handles 32768 performance_schema_max_file_instances 10000 performance_schema_max_mutex_classes 200 performance_schema_max_mutex_instances 1000000 performance_schema_max_rwlock_classes 30 performance_schema_max_rwlock_instances 1000000 performance_schema_max_table_handles 100000 performance_schema_max_table_instances 50000 performance_schema_max_thread_classes 50 performance_schema_max_thread_instances 1000 pid_file /data/mysql-1/mysqld.pid plugin_dir /usr/lib/mysql/plugin/ plugin_maturity unknown port 3306 preload_buffer_size 32768 profiling OFF profiling_history_size 15 progress_report_time 5 protocol_version 10 proxy_user pseudo_slave_mode OFF pseudo_thread_id 11 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 8388608 query_cache_strip_comments OFF query_cache_type ON query_cache_wlock_invalidate OFF query_prealloc_size 8192 rand_seed1 0 rand_seed2 0 range_alloc_block_size 4096 read_buffer_size 2097152 read_only ON read_rnd_buffer_size 262144 relay_log relay-bin relay_log_index relay-bin.index relay_log_info_file relay-log.info relay_log_purge ON relay_log_recovery OFF relay_log_space_limit 0 replicate_annotate_row_events ON replicate_do_db replicate_do_table replicate_events_marked_for_skip replicate replicate_ignore_db replicate_ignore_table replicate_wild_do_table replicate_wild_ignore_table mysql.general_log,mysql.slow_log,localdata.%,lb_health.% report_password report_port 3306 report_user rowid_merge_buff_size 8388608 rpl_recovery_rank 0 secure_auth OFF secure_file_priv server_id 3632211750 skip_external_locking OFF skip_name_resolve OFF skip_networking OFF skip_replication OFF skip_show_database OFF slave_compressed_protocol OFF slave_exec_mode STRICT slave_load_tmpdir /data/mysql-1/tmp slave_max_allowed_packet 1073741824 slave_net_timeout 3600 slave_skip_errors OFF slave_sql_verify_checksum ON slave_transaction_retries 10 slave_type_conversions slow_launch_time 2 slow_query_log ON slow_query_log_file /data/mysql-1/slow_queries.log socket /tmp/mysql-1.sock sort_buffer_size 8388608 sql_auto_is_null OFF sql_big_selects ON sql_big_tables OFF sql_buffer_result OFF sql_log_bin ON sql_log_off OFF sql_low_priority_updates OFF sql_max_join_size 18446744073709551615 sql_mode sql_notes ON sql_quote_show_create ON sql_safe_updates OFF sql_select_limit 18446744073709551615 sql_slave_skip_counter 0 sql_warnings OFF ssl_ca ssl_capath ssl_cert ssl_cipher ssl_key storage_engine InnoDB stored_program_cache 256 sync_binlog 0 sync_frm ON sync_master_info 0 sync_relay_log 0 sync_relay_log_info 0 system_time_zone GMT table_definition_cache 2048 table_open_cache 2048 thread_cache_size 16 thread_concurrency 10 thread_handling one-thread-per-connection thread_pool_idle_timeout 60 thread_pool_max_threads 500 thread_pool_oversubscribe 3 thread_pool_size 24 thread_pool_stall_limit 500 thread_stack 262144 time_format %H:%i:%s time_zone SYSTEM timed_mutexes OFF timestamp 1413399455.374560 tmp_table_size 16777216 tmpdir /data/mysql-1/tmp transaction_alloc_block_size 8192 transaction_prealloc_size 4096 tx_isolation REPEATABLE-READ unique_checks ON updatable_views_with_limit YES userstat OFF version 5.5.40-MariaDB-1~wheezy-log version_comment mariadb.org binary distribution version_compile_machine x86_64 version_compile_os debian-linux-gnu wait_timeout 28800 warning_count 0 Show variables output from slave: aria_block_size 8192 aria_checkpoint_interval 30 aria_checkpoint_log_activity 1048576 aria_force_start_after_recovery_failures 0 aria_group_commit none aria_group_commit_interval 0 aria_log_file_size 1073741824 aria_log_purge_type immediate aria_max_sort_file_size 9223372036853727232 aria_page_checksum ON aria_pagecache_age_threshold 300 aria_pagecache_buffer_size 134217728 aria_pagecache_division_limit 100 aria_recover NORMAL aria_repair_threads 1 aria_sort_buffer_size 134217728 aria_stats_method nulls_unequal aria_sync_log_dir NEWFILE aria_used_for_temp_tables ON auto_increment_increment 1 auto_increment_offset 1 autocommit ON automatic_sp_privileges ON back_log 50 basedir /usr big_tables OFF binlog_annotate_row_events OFF binlog_cache_size 32768 binlog_checksum NONE binlog_direct_non_transactional_updates OFF binlog_format STATEMENT binlog_optimize_thread_scheduling ON binlog_stmt_cache_size 32768 bulk_insert_buffer_size 16777216 character_set_client utf8 character_set_connection utf8 character_set_database latin1 character_set_filesystem binary character_set_results utf8 character_set_server latin1 character_set_system utf8 character_sets_dir /usr/share/mysql/charsets/ collation_connection utf8_general_ci collation_database latin1_swedish_ci collation_server latin1_swedish_ci completion_type NO_CHAIN concurrent_insert ALWAYS connect_timeout 5 datadir /data/mysql-1/ date_format %Y-%m-%d datetime_format %Y-%m-%d %H:%i:%s deadlock_search_depth_long 15 deadlock_search_depth_short 4 deadlock_timeout_long 50000000 deadlock_timeout_short 10000 debug_no_thread_alarm OFF default_storage_engine InnoDB default_week_format 0 delay_key_write ON delayed_insert_limit 100 delayed_insert_timeout 300 delayed_queue_size 1000 div_precision_increment 2 engine_condition_pushdown OFF error_count 0 event_scheduler OFF expensive_subquery_limit 100 expire_logs_days 3 external_user extra_max_connections 1 extra_port 0 flush OFF flush_time 0 foreign_key_checks ON ft_boolean_syntax + -><()~*:""&| ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) general_log OFF general_log_file /data/mysql-1/mysqld.log group_concat_max_len 1024 have_compress YES have_crypt YES have_csv YES have_dynamic_loading YES have_geometry YES have_innodb YES have_ndbcluster NO have_openssl DISABLED have_partitioning YES have_profiling YES have_query_cache YES have_rtree_keys YES have_ssl DISABLED have_symlink YES identity 0 ignore_builtin_innodb OFF ignore_db_dirs in_transaction 0 init_connect init_file init_slave innodb_adaptive_flushing ON innodb_adaptive_flushing_method estimate innodb_adaptive_hash_index ON innodb_adaptive_hash_index_partitions 1 innodb_additional_mem_pool_size 8388608 innodb_autoextend_increment 8 innodb_autoinc_lock_mode 1 innodb_blocking_buffer_pool_restore OFF innodb_buffer_pool_instances 1 innodb_buffer_pool_populate OFF innodb_buffer_pool_restore_at_startup 0 innodb_buffer_pool_shm_checksum ON innodb_buffer_pool_shm_key 0 innodb_buffer_pool_size 268435456 innodb_change_buffering all innodb_checkpoint_age_target 0 innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_corrupt_table_action assert innodb_data_file_path ibdata1:10M:autoextend innodb_data_home_dir innodb_dict_size_limit 0 innodb_doublewrite ON innodb_doublewrite_file innodb_fake_changes OFF innodb_fast_checksum OFF innodb_fast_shutdown 1 innodb_file_format Barracuda innodb_file_format_check ON innodb_file_format_max Barracuda innodb_file_per_table ON innodb_flush_log_at_trx_commit 2 innodb_flush_method O_DIRECT innodb_flush_neighbor_pages area innodb_force_load_corrupted OFF innodb_force_recovery 0 innodb_ibuf_accel_rate 100 innodb_ibuf_active_contract 1 innodb_ibuf_max_size 134201344 innodb_import_table_from_xtrabackup 0 innodb_io_capacity 400 innodb_kill_idle_transaction 0 innodb_large_prefix OFF innodb_lazy_drop_table 0 innodb_lock_wait_timeout 50 innodb_locking_fake_changes ON innodb_locks_unsafe_for_binlog OFF innodb_log_block_size 512 innodb_log_buffer_size 8388608 innodb_log_file_size 536870912 innodb_log_files_in_group 2 innodb_log_group_home_dir ./ innodb_max_bitmap_file_size 104857600 innodb_max_changed_pages 1000000 innodb_max_dirty_pages_pct 75 innodb_max_purge_lag 0 innodb_merge_sort_block_size 1048576 innodb_mirrored_log_groups 1 innodb_old_blocks_pct 37 innodb_old_blocks_time 1000 innodb_open_files 400 innodb_page_size 16384 innodb_print_all_deadlocks OFF innodb_purge_batch_size 20 innodb_purge_threads 1 innodb_random_read_ahead OFF innodb_read_ahead linear innodb_read_ahead_threshold 56 innodb_read_io_threads 4 innodb_recovery_stats OFF innodb_recovery_update_relay_log OFF innodb_replication_delay 0 innodb_rollback_on_timeout OFF innodb_rollback_segments 128 innodb_show_locks_held 10 innodb_show_verbose_locks 0 innodb_simulate_comp_failures 0 innodb_spin_wait_delay 6 innodb_stats_auto_update 1 innodb_stats_method nulls_equal innodb_stats_on_metadata OFF innodb_stats_sample_pages 8 innodb_stats_update_need_lock 1 innodb_strict_mode ON innodb_support_xa ON innodb_sync_spin_loops 30 innodb_table_locks ON innodb_thread_concurrency 0 innodb_thread_concurrency_timer_based OFF innodb_thread_sleep_delay 10000 innodb_track_changed_pages OFF innodb_use_atomic_writes OFF innodb_use_fallocate OFF innodb_use_global_flush_log_at_trx_commit ON innodb_use_native_aio ON innodb_use_stacktrace OFF innodb_use_sys_malloc ON innodb_use_sys_stats_table OFF innodb_version 5.5.40-MariaDB-36.1 innodb_write_io_threads 4 insert_id 0 interactive_timeout 28800 join_buffer_size 8388608 join_buffer_space_limit 2097152 join_cache_level 2 keep_files_on_create OFF key_buffer_size 33554432 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 key_cache_segments 0 large_files_support ON large_page_size 0 large_pages OFF last_insert_id 0 lc_messages en_US lc_messages_dir /usr/share/mysql lc_time_names en_US license GPL local_infile ON lock_wait_timeout 31536000 locked_in_memory OFF log OFF log_bin ON log_bin_trust_function_creators OFF log_error /data/mysql-1/mysqld.err log_output FILE log_queries_not_using_indexes OFF log_slave_updates OFF log_slow_filter admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk log_slow_queries ON log_slow_rate_limit 1 log_slow_verbosity query_plan log_warnings 2 long_query_time 1.000000 low_priority_updates OFF lower_case_file_system OFF lower_case_table_names 0 master_verify_checksum OFF max_allowed_packet 1073741824 max_binlog_cache_size 18446744073709547520 max_binlog_size 104857600 max_binlog_stmt_cache_size 18446744073709547520 max_connect_errors 100000 max_connections 1500 max_delayed_threads 20 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 20 max_join_size 18446744073709551615 max_length_for_sort_data 1024 max_long_data_size 1073741824 max_prepared_stmt_count 16382 max_relay_log_size 0 max_seeks_for_key 4294967295 max_sort_length 1024 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 4294967295 metadata_locks_cache_size 1024 min_examined_row_limit 0 mrr_buffer_size 262144 multi_range_count 256 myisam_block_size 1024 myisam_data_pointer_size 6 myisam_max_sort_file_size 9223372036853727232 myisam_mmap_size 18446744073709551615 myisam_recover_options BACKUP myisam_repair_threads 1 myisam_sort_buffer_size 536870912 myisam_stats_method nulls_unequal myisam_use_mmap OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 old OFF old_alter_table OFF old_mode old_passwords ON open_files_limit 30000 optimizer_prune_level 1 optimizer_search_depth 62 optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off performance_schema OFF performance_schema_events_waits_history_long_size 10000 performance_schema_events_waits_history_size 10 performance_schema_max_cond_classes 80 performance_schema_max_cond_instances 1000 performance_schema_max_file_classes 50 performance_schema_max_file_handles 32768 performance_schema_max_file_instances 10000 performance_schema_max_mutex_classes 200 performance_schema_max_mutex_instances 1000000 performance_schema_max_rwlock_classes 30 performance_schema_max_rwlock_instances 1000000 performance_schema_max_table_handles 100000 performance_schema_max_table_instances 50000 performance_schema_max_thread_classes 50 performance_schema_max_thread_instances 1000 pid_file /data/mysql-1/mysqld.pid plugin_dir /usr/lib/mysql/plugin/ plugin_maturity unknown port 3306 preload_buffer_size 32768 profiling OFF profiling_history_size 15 progress_report_time 5 protocol_version 10 proxy_user pseudo_slave_mode OFF pseudo_thread_id 8 query_alloc_block_size 8192 query_cache_limit 131072 query_cache_min_res_unit 4096 query_cache_size 8388608 query_cache_strip_comments OFF query_cache_type ON query_cache_wlock_invalidate OFF query_prealloc_size 8192 rand_seed1 0 rand_seed2 0 range_alloc_block_size 4096 read_buffer_size 2097152 read_only ON read_rnd_buffer_size 1048576 relay_log relay-bin relay_log_index relay-bin.index relay_log_info_file relay-log.info relay_log_purge ON relay_log_recovery OFF relay_log_space_limit 0 replicate_annotate_row_events OFF replicate_do_db replicate_do_table replicate_events_marked_for_skip replicate replicate_ignore_db replicate_ignore_table replicate_wild_do_table replicate_wild_ignore_table mysql.general_log,mysql.slow_log,localdata.%,lb_health.% report_password report_port 3306 report_user rowid_merge_buff_size 8388608 rpl_recovery_rank 0 secure_auth OFF secure_file_priv server_id 3632211764 skip_external_locking OFF skip_name_resolve OFF skip_networking OFF skip_replication OFF skip_show_database OFF slave_compressed_protocol OFF slave_exec_mode STRICT slave_load_tmpdir /data/mysql-1/tmp slave_max_allowed_packet 1073741824 slave_net_timeout 3600 slave_skip_errors OFF slave_sql_verify_checksum ON slave_transaction_retries 10 slave_type_conversions slow_launch_time 2 slow_query_log ON slow_query_log_file /data/mysql-1/slow_queries.log socket /tmp/mysql-1.sock sort_buffer_size 8388608 sql_auto_is_null OFF sql_big_selects ON sql_big_tables OFF sql_buffer_result OFF sql_log_bin ON sql_log_off OFF sql_low_priority_updates OFF sql_max_join_size 18446744073709551615 sql_mode sql_notes ON sql_quote_show_create ON sql_safe_updates OFF sql_select_limit 18446744073709551615 sql_slave_skip_counter 0 sql_warnings OFF ssl_ca ssl_capath ssl_cert ssl_cipher ssl_key storage_engine InnoDB stored_program_cache 256 sync_binlog 0 sync_frm ON sync_master_info 0 sync_relay_log 0 sync_relay_log_info 0 system_time_zone GMT table_definition_cache 2048 table_open_cache 2048 thread_cache_size 16 thread_concurrency 10 thread_handling one-thread-per-connection thread_pool_idle_timeout 60 thread_pool_max_threads 500 thread_pool_oversubscribe 3 thread_pool_size 24 thread_pool_stall_limit 500 thread_stack 262144 time_format %H:%i:%s time_zone SYSTEM timed_mutexes OFF timestamp 1413399710.331742 tmp_table_size 16777216 tmpdir /data/mysql-1/tmp transaction_alloc_block_size 8192 transaction_prealloc_size 4096 tx_isolation REPEATABLE-READ unique_checks ON updatable_views_with_limit YES userstat OFF version 5.5.40-MariaDB-1~wheezy-log version_comment mariadb.org binary distribution version_compile_machine x86_64 version_compile_os debian-linux-gnu wait_timeout 600 warning_count 0 When it crashes and restarts, it ends up with: Last_Error: Could not execute Write_rows event on table test.test; Duplicate entry '2775-974' for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event's master log mysql-bin.000003, end_log_pos 8785 And if interesting, the slave ends up with: Database changed MariaDB [test]> select count(*) from test; +----------+ | count(*) | +----------+ | 620 | +----------+ 1 row in set (0.00 sec) And the master of course is fine, the query completes: MariaDB [test]> select count(*) from test; +----------+ | count(*) | +----------+ | 670 | +----------+ 1 row in set (0.00 sec)

          Still no luck reproducing it. I'm also using Debian 7 64-bit, our 5.5.40 packages.

          Is it a development server (as in non-production)?
          Would you be able to run a debug binary and produce a coredump and a decent stack trace?
          Just in case you would, I've uploaded the binary to ftp://ftp.askmonty.org/public/mdev-6871/ – it's built on the same machine as the release binaries, hopefully it will work smoothly.
          Please make sure you're running the server with --core-file, and ulimit -c is set to unlimited.
          If you get a coredump, please upload it to ftp://ftp.askmonty.org/private/.

          On a separate note, is there a reason why you're using mysql-multi? Is there more than one server running on the same machine?

          Does it always crash on the same value (like, from your counts above, it looks like it failed to insert 50 rows, is it always the case)?

          elenst Elena Stepanova added a comment - Still no luck reproducing it. I'm also using Debian 7 64-bit, our 5.5.40 packages. Is it a development server (as in non-production)? Would you be able to run a debug binary and produce a coredump and a decent stack trace? Just in case you would, I've uploaded the binary to ftp://ftp.askmonty.org/public/mdev-6871/ – it's built on the same machine as the release binaries, hopefully it will work smoothly. Please make sure you're running the server with --core-file, and ulimit -c is set to unlimited. If you get a coredump, please upload it to ftp://ftp.askmonty.org/private/ . On a separate note, is there a reason why you're using mysql-multi? Is there more than one server running on the same machine? Does it always crash on the same value (like, from your counts above, it looks like it failed to insert 50 rows, is it always the case)?
          sophomeric Eric Webster added a comment -

          I used the debug binaries and uploaded the core file as you requested.

          There is not more than one instance on this particular machine, but I have others where that is the case. We've just standardized on mysqld_multi.

          Yes, it always crashes with the same count.

          sophomeric Eric Webster added a comment - I used the debug binaries and uploaded the core file as you requested. There is not more than one instance on this particular machine, but I have others where that is the case. We've just standardized on mysqld_multi. Yes, it always crashes with the same count.
          elenst Elena Stepanova made changes -
          Due Date 2014-10-29

          Thanks a lot.

          Stack trace from the debug coredump, 5.5 tag mariadb-5.5.40

          #3  <signal handler called>
          #4  __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:2648
          #5  0x0000000000ae173b in _mi_balance_page (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", curr_buff=0x7f46dd49e288  <incomplete sequence \362>, curr_buff@entry=0x7f470b80d8b0 "", father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=0x7f470b80ec44 "", father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072) at storage/myisam/mi_write.c:835
          #6  0x0000000000ae2792 in _mi_insert (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", anc_buff=anc_buff@entry=0x7f470b80d8b0 "", key_pos=0x7f470b80db60 "", key_buff=key_buff@entry=0x7f470b80e690 "", father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072, insert_last=insert_last@entry=0 '\000') at storage/myisam/mi_write.c:581
          #7  0x0000000000ae2c8e in w_search (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, comp_flag=comp_flag@entry=131137, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, page=19456, father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_keypos=0x7f470b80ec58 "", father_page=father_page@entry=3072, insert_last=0 '\000', insert_last@entry=1 '\001') at storage/myisam/mi_write.c:421
          #8  0x0000000000ae2c42 in w_search (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, comp_flag=comp_flag@entry=131137, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, page=3072, father_buff=father_buff@entry=0x0, father_keypos=father_keypos@entry=0x0, father_page=father_page@entry=0, insert_last=insert_last@entry=1 '\001') at storage/myisam/mi_write.c:417
          #9  0x0000000000ae2d92 in _mi_ck_real_write_btree (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, root=root@entry=0x7f46ddc342c8, comp_flag=131137) at storage/myisam/mi_write.c:295
          #10 0x0000000000ae2e81 in _mi_ck_write_btree (info=info@entry=0x7f46dd49de60, keynr=keynr@entry=0, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8) at storage/myisam/mi_write.c:276
          #11 0x0000000000ae31ee in _mi_ck_write (info=info@entry=0x7f46dd49de60, keynr=keynr@entry=0, key=key@entry=0x7f46dd49eac6 "", key_length=8) at storage/myisam/mi_write.c:247
          #12 0x0000000000ae38b0 in mi_write (info=0x7f46dd49de60, record=0x7f46dd41c578 "\377\203\r") at storage/myisam/mi_write.c:121
          #13 0x0000000000ab0bf0 in ha_myisam::write_row (this=0x7f46dd47d078, buf=0x7f46dd41c578 "\377\203\r") at storage/myisam/ha_myisam.cc:852
          #14 0x00000000006fcf09 in handler::ha_write_row (this=0x7f46dd47d078, buf=0x7f46dd41c578 "\377\203\r") at sql/handler.cc:5205
          #15 0x00000000007b964d in Rows_log_event::write_row (this=this@entry=0x7f46ddc75220, rli=rli@entry=0x7f46f2d9a850, overwrite=false) at sql/log_event.cc:10046
          #16 0x00000000007b9855 in Write_rows_log_event::do_exec_row (this=0x7f46ddc75220, rli=0x7f46f2d9a850) at sql/log_event.cc:10205
          #17 0x00000000007ad5fd in Rows_log_event::do_apply_event (this=0x7f46ddc75220, rli=0x7f46f2d9a850) at sql/log_event.cc:8575
          #18 0x000000000053fc63 in apply_event (rli=0x7f46f2d9a850, this=0x7f46ddc75220) at sql/log_event.h:1256
          #19 apply_event_and_update_pos (ev=ev@entry=0x7f46ddc75220, thd=thd@entry=0x7f46ddc16060, rli=rli@entry=0x7f46f2d9a850) at sql/slave.cc:2658
          #20 0x0000000000541791 in exec_relay_log_event (rli=0x7f46f2d9a850, thd=<optimized out>) at sql/slave.cc:2818
          #21 handle_slave_sql (arg=0x7f46f2d99060) at sql/slave.cc:3677
          #22 0x00007f470b4d0b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
          #23 0x00007f4709bd4e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

          elenst Elena Stepanova added a comment - Thanks a lot. Stack trace from the debug coredump, 5.5 tag mariadb-5.5.40 #3 <signal handler called> #4 __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:2648 #5 0x0000000000ae173b in _mi_balance_page (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", curr_buff=0x7f46dd49e288 <incomplete sequence \362>, curr_buff@entry=0x7f470b80d8b0 "", father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=0x7f470b80ec44 "", father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072) at storage/myisam/mi_write.c:835 #6 0x0000000000ae2792 in _mi_insert (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", anc_buff=anc_buff@entry=0x7f470b80d8b0 "", key_pos=0x7f470b80db60 "", key_buff=key_buff@entry=0x7f470b80e690 "", father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072, insert_last=insert_last@entry=0 '\000') at storage/myisam/mi_write.c:581 #7 0x0000000000ae2c8e in w_search (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, comp_flag=comp_flag@entry=131137, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, page=19456, father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_keypos=0x7f470b80ec58 "", father_page=father_page@entry=3072, insert_last=0 '\000', insert_last@entry=1 '\001') at storage/myisam/mi_write.c:421 #8 0x0000000000ae2c42 in w_search (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, comp_flag=comp_flag@entry=131137, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, page=3072, father_buff=father_buff@entry=0x0, father_keypos=father_keypos@entry=0x0, father_page=father_page@entry=0, insert_last=insert_last@entry=1 '\001') at storage/myisam/mi_write.c:417 #9 0x0000000000ae2d92 in _mi_ck_real_write_btree (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8, root=root@entry=0x7f46ddc342c8, comp_flag=131137) at storage/myisam/mi_write.c:295 #10 0x0000000000ae2e81 in _mi_ck_write_btree (info=info@entry=0x7f46dd49de60, keynr=keynr@entry=0, key=key@entry=0x7f46dd49eac6 "", key_length=key_length@entry=8) at storage/myisam/mi_write.c:276 #11 0x0000000000ae31ee in _mi_ck_write (info=info@entry=0x7f46dd49de60, keynr=keynr@entry=0, key=key@entry=0x7f46dd49eac6 "", key_length=8) at storage/myisam/mi_write.c:247 #12 0x0000000000ae38b0 in mi_write (info=0x7f46dd49de60, record=0x7f46dd41c578 "\377\203\r") at storage/myisam/mi_write.c:121 #13 0x0000000000ab0bf0 in ha_myisam::write_row (this=0x7f46dd47d078, buf=0x7f46dd41c578 "\377\203\r") at storage/myisam/ha_myisam.cc:852 #14 0x00000000006fcf09 in handler::ha_write_row (this=0x7f46dd47d078, buf=0x7f46dd41c578 "\377\203\r") at sql/handler.cc:5205 #15 0x00000000007b964d in Rows_log_event::write_row (this=this@entry=0x7f46ddc75220, rli=rli@entry=0x7f46f2d9a850, overwrite=false) at sql/log_event.cc:10046 #16 0x00000000007b9855 in Write_rows_log_event::do_exec_row (this=0x7f46ddc75220, rli=0x7f46f2d9a850) at sql/log_event.cc:10205 #17 0x00000000007ad5fd in Rows_log_event::do_apply_event (this=0x7f46ddc75220, rli=0x7f46f2d9a850) at sql/log_event.cc:8575 #18 0x000000000053fc63 in apply_event (rli=0x7f46f2d9a850, this=0x7f46ddc75220) at sql/log_event.h:1256 #19 apply_event_and_update_pos (ev=ev@entry=0x7f46ddc75220, thd=thd@entry=0x7f46ddc16060, rli=rli@entry=0x7f46f2d9a850) at sql/slave.cc:2658 #20 0x0000000000541791 in exec_relay_log_event (rli=0x7f46f2d9a850, thd=<optimized out>) at sql/slave.cc:2818 #21 handle_slave_sql (arg=0x7f46f2d99060) at sql/slave.cc:3677 #22 0x00007f470b4d0b50 in start_thread (arg=<optimized out>) at pthread_create.c:304 #23 0x00007f4709bd4e6d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

          sophomeric

          Does the crash also happen if you execute the same create/insert directly on the slave? (Obviously it doesn't happen on master, but slave and master have minor differences in configuration, so it would be good to rule out their relation to the problem).

          elenst Elena Stepanova added a comment - sophomeric Does the crash also happen if you execute the same create/insert directly on the slave? (Obviously it doesn't happen on master, but slave and master have minor differences in configuration, so it would be good to rule out their relation to the problem).
          elenst Elena Stepanova made changes -
          Due Date 2014-10-29
          sophomeric Eric Webster added a comment -

          No, it works fine if executed on the slave directly.

          sophomeric Eric Webster added a comment - No, it works fine if executed on the slave directly.
          elenst Elena Stepanova made changes -
          Due Date 2014-10-29

          I see, thanks.

          ------------------
          The immediate reason of the crash is quite clear from the coredump:

          (gdb) frame 5
          #5  0x0000000000ae173b in _mi_balance_page (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, 
              key=key@entry=0x7f46dd49eac6 "", curr_buff=0x7f46dd49e288  <incomplete sequence \362>, curr_buff@entry=0x7f470b80d8b0 "", 
              father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=0x7f470b80ec44 "", 
              father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072)
              at /home/buildbot/mariadb-5.5.40/storage/myisam/mi_write.c:835
          835	      memcpy((uchar*) buff+2+length,father_key_pos,(size_t) k_length);
          (gdb) list
          830	    {						/* Move keys -> buff */
          831	
          832	      bmove_upp((uchar*) buff+new_right_length,(uchar*) buff+right_length,
          833			right_length-2);
          834	      length=new_right_length-right_length-k_length;
          835	      memcpy((uchar*) buff+2+length,father_key_pos,(size_t) k_length);
          836	      pos=curr_buff+new_left_length;
          837	      memcpy((uchar*) father_key_pos,(uchar*) pos,(size_t) k_length);
          838	      memcpy((uchar*) buff+2,(uchar*) pos+k_length,(size_t) length);
          839	    }
          (gdb) p length
          $6 = 4294967276
          (gdb) p new_right_length
          $7 = 1024
          (gdb) p right_length
          $8 = 1030
          (gdb) p k_length
          $9 = 14

          Nothing like this happens when I run the same test. My values are
          length = 460
          new_right_length = 572
          right_length = 102
          k_length = 10

          I have no idea so far what ca cause the difference. I find the last value especially confusing (although maybe this difference is unrelated to the problem) – why would key length be different?.. Same version, same engine, same system and architecture, presumably same server options...

          elenst Elena Stepanova added a comment - I see, thanks. ------------------ The immediate reason of the crash is quite clear from the coredump: (gdb) frame 5 #5 0x0000000000ae173b in _mi_balance_page (info=info@entry=0x7f46dd49de60, keyinfo=keyinfo@entry=0x7f46ddc34048, key=key@entry=0x7f46dd49eac6 "", curr_buff=0x7f46dd49e288 <incomplete sequence \362>, curr_buff@entry=0x7f470b80d8b0 "", father_buff=father_buff@entry=0x7f470b80ebb0 "\200\250", father_key_pos=0x7f470b80ec44 "", father_key_pos@entry=0x7f470b80ec58 "", father_page=father_page@entry=3072) at /home/buildbot/mariadb-5.5.40/storage/myisam/mi_write.c:835 835 memcpy((uchar*) buff+2+length,father_key_pos,(size_t) k_length); (gdb) list 830 { /* Move keys -> buff */ 831 832 bmove_upp((uchar*) buff+new_right_length,(uchar*) buff+right_length, 833 right_length-2); 834 length=new_right_length-right_length-k_length; 835 memcpy((uchar*) buff+2+length,father_key_pos,(size_t) k_length); 836 pos=curr_buff+new_left_length; 837 memcpy((uchar*) father_key_pos,(uchar*) pos,(size_t) k_length); 838 memcpy((uchar*) buff+2,(uchar*) pos+k_length,(size_t) length); 839 } (gdb) p length $6 = 4294967276 (gdb) p new_right_length $7 = 1024 (gdb) p right_length $8 = 1030 (gdb) p k_length $9 = 14 Nothing like this happens when I run the same test. My values are length = 460 new_right_length = 572 right_length = 102 k_length = 10 I have no idea so far what ca cause the difference. I find the last value especially confusing (although maybe this difference is unrelated to the problem) – why would key length be different?.. Same version, same engine, same system and architecture, presumably same server options...

          sophomeric,

          If possible, could you please run one more exercise?
          With the same debug binary, please start the slave with --debug option, and then run the same test as before. The slave will create file /tmp/mysqld.trace. After the slave crashes, please upload the file to the same FTP. The file size will probably be some ~50 Mb.
          If /tmp/ location is not suitable, you can change it by giving a value to the debug option: --debug=d:t:i:o,/tmp/mysqld.trace (replace /tmp/mysqld.trace with the desired location).

          Thanks!

          elenst Elena Stepanova added a comment - sophomeric , If possible, could you please run one more exercise? With the same debug binary, please start the slave with --debug option, and then run the same test as before. The slave will create file /tmp/mysqld.trace . After the slave crashes, please upload the file to the same FTP. The file size will probably be some ~50 Mb. If /tmp/ location is not suitable, you can change it by giving a value to the debug option: --debug=d:t:i:o,/tmp/mysqld.trace (replace /tmp/mysqld.trace with the desired location). Thanks!
          elenst Elena Stepanova made changes -
          Due Date 2014-11-10
          monty Michael Widenius made changes -
          Assignee Elena Stepanova [ elenst ] Michael Widenius [ monty ]
          monty Michael Widenius made changes -
          Status Open [ 1 ] In Progress [ 3 ]

          I am now looking into this. I have not been able to repeat it yet.
          Having a dbug trace, as Elena described above, should enable me to find the problem (in most cases it does in cases like this).

          One reason this works differently on the master and slave is that on the master, the first multi-value insert is optimized to use create-keys-by-sorting while on the slave the rows are inserted row by row. In other words, on the master we never execute
          _mi_balance_page()

          If you can't get us a debug trace, could you at least see if it fails on your master if you break the multi-value insert into two pieces:

          INSERT INTO `test` VALUES (2775,974);
          INSERT INTO test values (2775,975),(2775,976)....

          If yes, this is MyISAM issue. If not, then this may be a replication issue.

          Regards,
          Monty

          monty Michael Widenius added a comment - I am now looking into this. I have not been able to repeat it yet. Having a dbug trace, as Elena described above, should enable me to find the problem (in most cases it does in cases like this). One reason this works differently on the master and slave is that on the master, the first multi-value insert is optimized to use create-keys-by-sorting while on the slave the rows are inserted row by row. In other words, on the master we never execute _mi_balance_page() If you can't get us a debug trace, could you at least see if it fails on your master if you break the multi-value insert into two pieces: INSERT INTO `test` VALUES (2775,974); INSERT INTO test values (2775,975),(2775,976).... If yes, this is MyISAM issue. If not, then this may be a replication issue. Regards, Monty
          sophomeric Eric Webster added a comment -

          I have not yet had the chance to get the debug trace, but the crash did not happen if the table was InnoDB.

          sophomeric Eric Webster added a comment - I have not yet had the chance to get the debug trace, but the crash did not happen if the table was InnoDB.

          I have studied this a bit more:

          • The crash happens in primary key
            (Which is strange as you said that this only happens if secondary key is used)
          • As all primary keys are inserted in increasing order in your test, we should never call _mi_balance_page() for primary key.

          So something is very strange. This sounds almost like a compiler bug...
          I will try to force a crash on my side by modifying the source to also call mi_balance_page for primary keys, but if that doesn't succeed, getting a debug trace would be the best way for me to be able to find the issue.

          monty Michael Widenius added a comment - I have studied this a bit more: The crash happens in primary key (Which is strange as you said that this only happens if secondary key is used) As all primary keys are inserted in increasing order in your test, we should never call _mi_balance_page() for primary key. So something is very strange. This sounds almost like a compiler bug... I will try to force a crash on my side by modifying the source to also call mi_balance_page for primary keys, but if that doesn't succeed, getting a debug trace would be the best way for me to be able to find the issue.

          I have studied this a bit more:

          • The crash happens in primary key
            (Which is strange as you said that this only happens if secondary key is used)
          • As all primary keys are inserted in increasing order in your test, we should never call _mi_balance_page() for primary key.

          So something is very strange. This sounds almost like a compiler bug...
          I will try to force a crash on my side by modifying the source to also call mi_balance_page for primary keys, but if that doesn't succeed, getting a debug trace would be the best way for me to be able to find the issue.

          monty Michael Widenius added a comment - I have studied this a bit more: The crash happens in primary key (Which is strange as you said that this only happens if secondary key is used) As all primary keys are inserted in increasing order in your test, we should never call _mi_balance_page() for primary key. So something is very strange. This sounds almost like a compiler bug... I will try to force a crash on my side by modifying the source to also call mi_balance_page for primary keys, but if that doesn't succeed, getting a debug trace would be the best way for me to be able to find the issue.
          sophomeric Eric Webster added a comment -

          I've uploaded MDEV-6871.trace.gz to your FTP.

          sophomeric Eric Webster added a comment - I've uploaded MDEV-6871 .trace.gz to your FTP.
          serg Sergei Golubchik made changes -
          Fix Version/s 5.5 [ 15800 ]
          serg Sergei Golubchik made changes -
          Component/s Storage Engine - MyISAM [ 10600 ]
          serg Sergei Golubchik made changes -
          Component/s OTHER [ 10125 ]

          I looked at the trace file, but it doesn't show any failure. It ends with something that looks like a normal shutdown, not with a crash.
          Is the trace really from a slave that crashed?

          monty Michael Widenius added a comment - I looked at the trace file, but it doesn't show any failure. It ends with something that looks like a normal shutdown, not with a crash. Is the trace really from a slave that crashed?
          sophomeric Eric Webster added a comment -

          It was, but when it crashes it restarts so the normal shutdown was probably me legitimately stopping it at the end. I've uploaded MDEV-6871.trace.bz2 with another trace from it crashing.

          sophomeric Eric Webster added a comment - It was, but when it crashes it restarts so the normal shutdown was probably me legitimately stopping it at the end. I've uploaded MDEV-6871 .trace.bz2 with another trace from it crashing.

          I looked at MDEV-6871.trace.bz2, but this is also shut down normally with a kill command.
          The first trace you sent us, was 152M compressed. This could not come from a restart, so something is strange.

          When you run the tests with --debug, did you check that you get the error "mysqld got signal ...' in the error log?

          I am now back from travelling, so if I can get a new stack trace that shows the problem I can look at it straight away.

          monty Michael Widenius added a comment - I looked at MDEV-6871 .trace.bz2, but this is also shut down normally with a kill command. The first trace you sent us, was 152M compressed. This could not come from a restart, so something is strange. When you run the tests with --debug, did you check that you get the error "mysqld got signal ...' in the error log? I am now back from travelling, so if I can get a new stack trace that shows the problem I can look at it straight away.
          sophomeric Eric Webster added a comment -

          I do get that error yes. I wonder if when mysqld_safe restarts it if it overwrites the debug file or appends to it? I did the same test and crash with --no-auto-restart on mysqld_safe so that the trace file MDEV-6871-2014-11-19-2.trace.bz2 should be the final crash.

          sophomeric Eric Webster added a comment - I do get that error yes. I wonder if when mysqld_safe restarts it if it overwrites the debug file or appends to it? I did the same test and crash with --no-auto-restart on mysqld_safe so that the trace file MDEV-6871 -2014-11-19-2.trace.bz2 should be the final crash.

          The last trace captures "almost" the error, but it may be good enough for me to get an idea of what's going on.
          I will investigate this on Friday.

          When I say almost, the problem is that the last part of the log was not flushed before it crashed, so I lose a few K of data at the end.
          Hopefully I will not need the last part. I will know soon.

          If you have a time over you could fix this by running the slave with
          --debug=:d:t:i:O,/tmp/mysqld.trace

          This will flush the trace after each write; It will make the slave a bit slower but it will ensure that everything is in the log.

          Thanks a lot for the help so far!

          monty Michael Widenius added a comment - The last trace captures "almost" the error, but it may be good enough for me to get an idea of what's going on. I will investigate this on Friday. When I say almost, the problem is that the last part of the log was not flushed before it crashed, so I lose a few K of data at the end. Hopefully I will not need the last part. I will know soon. If you have a time over you could fix this by running the slave with --debug=:d:t:i:O,/tmp/mysqld.trace This will flush the trace after each write; It will make the slave a bit slower but it will ensure that everything is in the log. Thanks a lot for the help so far!
          sophomeric Eric Webster added a comment -

          MDEV-6871-dtio-trace.bz2 has been uploaded as you requested.

          sophomeric Eric Webster added a comment - MDEV-6871 -dtio-trace.bz2 has been uploaded as you requested.

          Found the bug, thanks to the latest trace file!

          You have enabled the, not needed and not recommended option, --skip-external-locking=0. When this option is enabled, you get a core dump. If not, then things works.

          This option was before used to protect against multiple servers using the same MyISAM files, something we supported a LONG time ago, but not really anymore.

          Of course this should not cause a core dump; I will fix this ASAP.

          However, in any case you should remove this option from your config files as it's not likely to be useful and it actually causes a notable performance degradation.

          Thanks a lot for all the trace files!

          monty Michael Widenius added a comment - Found the bug, thanks to the latest trace file! You have enabled the, not needed and not recommended option, --skip-external-locking=0. When this option is enabled, you get a core dump. If not, then things works. This option was before used to protect against multiple servers using the same MyISAM files, something we supported a LONG time ago, but not really anymore. Of course this should not cause a core dump; I will fix this ASAP. However, in any case you should remove this option from your config files as it's not likely to be useful and it actually causes a notable performance degradation. Thanks a lot for all the trace files!

          Problem was that repair() did lock and unlock tables, which leaved already locked tables in wrong state.
          This affected both MyISAM and Aria.
          Fix pushed into 5.5 tree

          monty Michael Widenius added a comment - Problem was that repair() did lock and unlock tables, which leaved already locked tables in wrong state. This affected both MyISAM and Aria. Fix pushed into 5.5 tree
          monty Michael Widenius made changes -
          Fix Version/s 5.5.41 [ 17600 ]
          Fix Version/s 5.5 [ 15800 ]
          Resolution Fixed [ 1 ]
          Status In Progress [ 3 ] Closed [ 6 ]
          ratzpo Rasmus Johansson (Inactive) made changes -
          Workflow MariaDB v2 [ 55808 ] MariaDB v3 [ 65702 ]
          serg Sergei Golubchik made changes -
          Workflow MariaDB v3 [ 65702 ] MariaDB v4 [ 148308 ]

          People

            monty Michael Widenius
            sophomeric Eric Webster
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