Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Incomplete
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10.0.14
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Gentoo Linux, MariaDB installed by package system (emerge).
8x Intel E5-2630, 8GB RAM and /var/lib/mysql on SSD harddrive
Description
Hi,
our server MariaDB 10.0.14 crashed today, 1 months after upgrade from MySQL 5.1.61, which had 2 years uptime.
This server contains only 2 databases with low load and total size about 1GB. One database with Magento e-shop database and one with our database (100x InnoDB tables, 1x Memory, 1x CONNECT and 1x TokuDB).
I think, that it is not related to CONNECT, or TokuDB engine.
MariaDB crashed during standard mysqldump-based backup proces.
Below is also backtrace and MySQL process-list 1-3 seconds before crash.
There was no load, just backup simple InnoDB tables of Magento database.
Thank you for your help.
141024 2:21:13 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see http://kb.askmonty.org/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.0.14-MariaDB
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key_buffer_size=134217728
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read_buffer_size=4194304
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max_used_connections=69
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max_threads=202
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thread_count=4
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 4272191 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x0x7fa9570f3008
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7fa954579e28 thread_stack 0x80000
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/usr/sbin/mysqld(my_print_stacktrace+0x26)[0xb16713]
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/usr/sbin/mysqld(handle_fatal_signal+0x398)[0x6f3658]
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/lib64/libpthread.so.0(+0x10150)[0x7fa9fa18b150]
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/usr/sbin/mysqld[0x88facb]
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/usr/sbin/mysqld[0x89079f]
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/usr/sbin/mysqld[0x890a1b]
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/usr/sbin/mysqld(_ZN7handler22ha_rnd_init_with_errorEb+0x15)[0x6f84a5]
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/usr/sbin/mysqld(_Z16init_read_recordP11READ_RECORDP3THDP5TABLEP10SQL_SELECTibb+0x4c2)[0x7c9f52]
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/usr/sbin/mysqld(_Z21join_init_read_recordP13st_join_table+0x70)[0x5f1d10]
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/usr/sbin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x161)[0x5f1ed1]
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/usr/sbin/mysqld[0x5fd82d]
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/usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0xa08)[0x60e508]
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/usr/sbin/mysqld(_ZN4JOIN4execEv+0x9)[0x610019]
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/usr/sbin/mysqld(_Z12mysql_selectP3THDPPP4ItemP10TABLE_LISTjR4ListIS1_ES2_jP8st_orderSB_S2_SB_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x148)[0x60d068]
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/usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x294)[0x610314]
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/usr/sbin/mysqld[0x5bff2b]
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/usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x50fe)[0x5cac5e]
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/usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x1fc)[0x5cd46c]
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/usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x1530)[0x5ce9f0]
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/usr/sbin/mysqld(_Z24do_handle_one_connectionP3THD+0x19d)[0x674abd]
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/usr/sbin/mysqld(handle_one_connection+0x40)[0x674b80]
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/lib64/libpthread.so.0(+0x8bb5)[0x7fa9fa183bb5]
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/lib64/libc.so.6(clone+0x6d)[0x7fa9f8e76d7d]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7fa9634ba020): is an invalid pointer
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Connection ID (thread ID): 328170
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Status: NOT_KILLED
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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_me
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rge=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_so
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rt_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=on,exists_to_in=on
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The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
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information that should help you find out what is causing the crash.
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MySQL process list 1-3 seconds before crash.
+--------+-----------------+-----------+-----------------+---------+------+-----------------------------+--------------------------------------------------------------------+----------+
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| Id | User | Host | db | Command | Time | State | Info | Progress |
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+--------+-----------------+-----------+-----------------+---------+------+-----------------------------+--------------------------------------------------------------------+----------+
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| 1 | event_scheduler | localhost | | Daemon | 14 | Waiting for next activation | | 0.000 |
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| 328170 | root | localhost | client_cz_new | Query | 1 | Sending data | SELECT /*!40001 SQL_NO_CACHE */ * FROM `ig_cashondelivery_foreign` | 0.000 |
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| 328175 | root | localhost | | Query | 0 | init | show processlist | 0.000 |
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| 328176 | root | localhost | | Sleep | 1 | | | 0.000 |
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+--------+-----------------+-----------+-----------------+---------+------+-----------------------------+--------------------------------------------------------------------+----------+
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