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  1. MariaDB Server
  2. MDEV-10377

innodb.innodb_blob_truncate fails in buildbot: Failing assertion: page_type == 34354 || page_type == 37401 || page_type == 17855 || page_type == 2 || page_type == 3 || ...

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      http://buildbot.askmonty.org/buildbot/builders/p8-rhel6-bintar-debug/builds/53/steps/test/logs/stdio

      mysqltest: At line 39: query 'drop table t1' failed: 2013: Lost connection to MySQL server during query
       
      The result from queries just before the failure was:
      SET GLOBAL innodb_file_format = `Barracuda`;
      SET GLOBAL innodb_file_per_table = ON;
      create table t1(a blob) engine=innodb key_block_size=8;
      create function generate_blob()
      returns varchar(20000)
      begin
      declare x varchar(20000) default '';
      declare i int default 500;
      while i > 0 do
      set x = concat(sha1(i), x);
      set i = i - 1;
      end while;
      return x;
      end //
      insert into t1 select generate_blob();
      truncate t1;
      insert into t1 select generate_blob();
      drop table t1;
       
       
      Server [mysqld.1 - pid: 32457, winpid: 32457, exit: 256] failed during test run
      Server log from this test:
      ----------SERVER LOG START-----------
      InnoDB: Space 723 offset 5 name test/t1 page_type 12 page_type_name ZBLOB2
      InnoDB: key_version 0 page_compressed 0 page_compressed_encrypted 0 lsn 53111499 compressed_len 64631
      2016-07-13 23:37:47 fff813ff160  InnoDB: Assertion failure in thread 17590059528544 in file fil0fil.ic line 168
      InnoDB: Failing assertion: page_type == 34354 || page_type == 37401 || page_type == 17855 || page_type == 2 || page_type == 3 || page_type == 4 || page_type == 0 || page_type == 5 || page_type == 6 || page_type == 7 || page_type == 8 || page_type == 9 || page_type == 10 || page_type == 11 || page_type == 13
      InnoDB: We intentionally generate a memory trap.
      InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
      InnoDB: If you get repeated assertion failures or crashes, even
      InnoDB: immediately after the mysqld startup, there may be
      InnoDB: corruption in the InnoDB tablespace. Please refer to
      InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
      InnoDB: about forcing recovery.
      160713 23:37:47 [ERROR] mysqld got signal 6 ;
      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 https://mariadb.com/kb/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: 10.1.16-MariaDB-debug
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 62975 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x0
      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 = 0x0 thread_stack 0x48400
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/mysqld(my_print_stacktrace-0x7e58f0)[0x40b61b00]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/mysqld(handle_fatal_signal-0xfd4584)[0x402dad54]
      linux-vdso64.so.1(__kernel_sigtramp_rt64+0x0)[0xfff94e90448]
      /opt/at7.0/lib64/power7/libc.so.6(gsignal-0x174cd8)[0xfff945af2f0]
      /opt/at7.0/lib64/power7/libc.so.6(abort-0x173084)[0xfff945b13c4]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x155d8c)[0xfff8cd35d8c]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x168948)[0xfff8cd48948]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x177b0c)[0xfff8cd57b0c]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x1781cc)[0xfff8cd581cc]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x178a6c)[0xfff8cd58a6c]
      :0(00000018.plt_call.dlclose@@GLIBC_2.3)[0xfff8cd58ddc]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x1798bc)[0xfff8cd598bc]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(_Z15buf_flush_batchP10buf_pool_t11buf_flush_tmmP16flush_counters_t-0x3faff4)[0xfff8cd59ce4]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x17a4fc)[0xfff8cd5a4fc]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x17b0f4)[0xfff8cd5b0f4]
      /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so(+0x17bf70)[0xfff8cd5bf70]
      /opt/at7.0/lib64/power7/libpthread.so.0(+0xc548)[0xfff94e5c548]
      /opt/at7.0/lib64/power7/libc.so.6(clone-0xa4184)[0xfff94688454]
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file
      ----------SERVER LOG END-------------
      

      Program terminated with signal 6, Aborted.
      #0  0x00000fff94e63a40 in .pthread_kill () from /opt/at7.0/lib64/power7/libpthread.so.0
      #0  0x00000fff94e63a40 in .pthread_kill () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x0000000040b61c4c in .my_write_core ()
      #2  0x00000000402db258 in .handle_fatal_signal () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/signal_handler.cc:294
      #3  <signal handler called>
      #4  0x00000fff945af2f0 in .raise () from /opt/at7.0/lib64/power7/libc.so.6
      #5  0x00000fff945b12f4 in .abort () from /opt/at7.0/lib64/power7/libc.so.6
      #6  0x00000fff8cd35d8c in ._ZL22fil_page_type_validatePKh () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/include/fil0fil.ic:154
      #7  0x00000fff8cd48948 in ._Z29buf_page_encrypt_before_writeP10buf_page_tPhm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0buf.cc:6054
      #8  0x00000fff8cd57b0c in ._ZL25buf_flush_write_block_lowP10buf_page_t11buf_flush_tb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:912
      #9  0x00000fff8cd581cc in ._Z14buf_flush_pageP10buf_pool_tP10buf_page_t11buf_flush_tb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1061
      #10 0x00000fff8cd58a6c in ._ZL23buf_flush_try_neighborsmm11buf_flush_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1269
      #11 0x00000fff8cd58ddc in ._ZL32buf_flush_page_and_try_neighborsP10buf_page_t11buf_flush_tmPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1343
      #12 0x00000fff8cd598bc in ._ZL23buf_do_flush_list_batchP10buf_pool_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1586
      #13 0x00000fff8cd59ce4 in ._Z15buf_flush_batchP10buf_pool_t11buf_flush_tmmP16flush_counters_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1649
      #14 0x00000fff8cd5a4fc in ._Z14buf_flush_listmmPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1844
      #15 0x00000fff8cd5b0f4 in ._ZL27page_cleaner_do_flush_batchmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:2055
      #16 0x00000fff8cd5bf70 in .buf_flush_page_cleaner_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:2323
      #17 0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #18 0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 21 (Thread 32475):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 20 (Thread 32496):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e6a4 in ._ZL18os_cond_wait_timedP14pthread_cond_tP15os_fast_mutex_tPK8timespec () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:177
      #2  0x00000fff8cf0f284 in ._Z22os_event_wait_time_lowP8os_eventml () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:705
      #3  0x00000fff8d01dee0 in .srv_error_monitor_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:1973
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 19 (Thread 32474):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 18 (Thread 32473):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 17 (Thread 32497):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e6a4 in ._ZL18os_cond_wait_timedP14pthread_cond_tP15os_fast_mutex_tPK8timespec () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:177
      #2  0x00000fff8cf0f284 in ._Z22os_event_wait_time_lowP8os_eventml () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:705
      #3  0x00000fff8d01d650 in .srv_monitor_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:1727
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 16 (Thread 32472):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 15 (Thread 32499):
      #0  0x00000fff94e62130 in .pthread_cond_wait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e800 in ._ZL12os_cond_waitP14pthread_cond_tP15os_fast_mutex_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:214
      #2  0x00000fff8cf0f050 in ._Z17os_event_wait_lowP8os_eventl () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:592
      #3  0x00000fff8d020598 in ._ZL29srv_purge_coordinator_suspendP10srv_slot_tm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:2848
      #4  0x00000fff8d020c34 in .srv_purge_coordinator_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:2967
      #5  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #6  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 14 (Thread 32471):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 13 (Thread 32470):
      #0  0x00000fff94e10958 in ?? () from /lib64/libaio.so.1
      #1  0x00000fff94e109bc in .io_getevents () from /lib64/libaio.so.1
      #2  0x00000fff8cf0b454 in ._ZL20os_aio_linux_collectP14os_aio_array_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5326
      #3  0x00000fff8cf0b928 in ._Z19os_aio_linux_handlemPP10fil_node_tPPvPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0file.cc:5478
      #4  0x00000fff8cddfc34 in ._Z12fil_aio_waitm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fil/fil0fil.cc:6045
      #5  0x00000fff8d024b98 in .io_handler_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0start.cc:515
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 12 (Thread 32467):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x0000000040b69228 in .safe_cond_timedwait ()
      #2  0x000000004098a270 in .inline_mysql_cond_timedwait ()
      #3  0x000000004098a91c in .my_service_thread_sleep ()
      #4  0x000000004097adcc in .ma_checkpoint_background ()
      #5  0x0000000040aeef68 in .pfs_spawn_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/perfschema/pfs.cc:1860
      #6  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #7  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 11 (Thread 32466):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x0000000040b69228 in .safe_cond_timedwait ()
      #2  0x0000000040b6a8e4 in .inline_mysql_cond_timedwait ()
      #3  0x0000000040b6b828 in .timer_handler ()
      #4  0x0000000040aeef68 in .pfs_spawn_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/perfschema/pfs.cc:1860
      #5  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #6  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 10 (Thread 32505):
      #0  0x00000fff94e67f18 in .__libc_sigwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x000000003fef2660 in .signal_hand () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/mysqld.cc:3474
      #2  0x0000000040aeef68 in .pfs_spawn_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/perfschema/pfs.cc:1860
      #3  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #4  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 9 (Thread 32504):
      #0  0x00000fff9467bf44 in .__select () at ../sysdeps/unix/syscall-template.S:81
      #1  0x00000fff8cf103bc in ._Z15os_thread_sleepm () from /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so
      #2  0x00000fff8cd2cb38 in .btr_defragment_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/btr/btr0defragment.cc:758
      #3  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #4  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 8 (Thread 32498):
      #0  0x00000fff9467bf44 in .__select () at ../sysdeps/unix/syscall-template.S:81
      #1  0x00000fff8cf103bc in ._Z15os_thread_sleepm () from /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/4/plugins/ha_innodb.so
      #2  0x00000fff8d01f798 in ._ZL16srv_master_sleepv () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:2514
      #3  0x00000fff8d01f964 in .srv_master_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/srv/srv0srv.cc:2558
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 7 (Thread 32503):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e6a4 in ._ZL18os_cond_wait_timedP14pthread_cond_tP15os_fast_mutex_tPK8timespec () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:177
      #2  0x00000fff8cf0f284 in ._Z22os_event_wait_time_lowP8os_eventml () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:705
      #3  0x00000fff8d07a6dc in ._Z19ib_wqueue_timedwaitP11ib_wqueue_tl () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/ut/ut0wqueue.cc:154
      #4  0x00000fff8ce2bb04 in ._Z19fts_optimize_threadPv () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/fts/fts0opt.cc:3064
      #5  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #6  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 6 (Thread 32495):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e6a4 in ._ZL18os_cond_wait_timedP14pthread_cond_tP15os_fast_mutex_tPK8timespec () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:177
      #2  0x00000fff8cf0f284 in ._Z22os_event_wait_time_lowP8os_eventml () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:705
      #3  0x00000fff8ceda3c4 in .lock_wait_timeout_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/lock/lock0wait.cc:536
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 5 (Thread 32458):
      #0  0x00000fff94679590 in .__GI___poll () at ../sysdeps/unix/syscall-template.S:81
      #1  0x000000003fef9e34 in ._Z26handle_connections_socketsv () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/mysqld.cc:6523
      #2  0x000000003fef8ab0 in ._Z11mysqld_mainiPPc () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/mysqld.cc:5948
      #3  0x000000003fee97a8 in .main ()
       
      Thread 4 (Thread 313):
      #0  0x00000fff94e62130 in .pthread_cond_wait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e800 in ._ZL12os_cond_waitP14pthread_cond_tP15os_fast_mutex_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:214
      #2  0x00000fff8cf0f050 in ._Z17os_event_wait_lowP8os_eventl () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:592
      #3  0x00000fff8d02b82c in ._Z21sync_array_wait_eventP12sync_array_tm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/sync/sync0arr.cc:465
      #4  0x00000fff8d030248 in ._ZL19rw_lock_x_lock_waitP9rw_lock_tmPKcm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/sync/sync0rw.cc:526
      #5  0x00000fff8d0303a8 in ._ZL18rw_lock_x_lock_lowP9rw_lock_tmPKcm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/sync/sync0rw.cc:573
      #6  0x00000fff8d0305fc in ._Z19rw_lock_x_lock_funcP9rw_lock_tmPKcm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/sync/sync0rw.cc:652
      #7  0x00000fff8cd346dc in ._ZL23pfs_rw_lock_x_lock_funcP9rw_lock_tmPKcm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/include/sync0rw.ic:618
      #8  0x00000fff8cd413c4 in ._Z16buf_page_get_genmmmmP11buf_block_tmPKcmP5mtr_tP7dberr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0buf.cc:3369
      #9  0x00000fff8cd00408 in ._ZL18btr_block_get_funcmmmmPKcmP12dict_index_tP5mtr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/include/btr0btr.ic:60
      #10 0x00000fff8cd01fc8 in ._ZL20btr_cur_latch_leavesPhmmmmP9btr_cur_tP5mtr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/btr/btr0cur.cc:257
      #11 0x00000fff8cd03318 in ._Z27btr_cur_search_to_nth_levelP12dict_index_tmPK8dtuple_tmmP9btr_cur_tmPKcmP5mtr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/btr/btr0cur.cc:739
      #12 0x00000fff8cd1255c in ._ZL31btr_pcur_open_with_no_init_funcP12dict_index_tPK8dtuple_tmmP10btr_pcur_tmPKcmP5mtr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/include/btr0pcur.ic:486
      #13 0x00000fff8cd1319c in ._Z30btr_pcur_restore_position_funcmP10btr_pcur_tPKcmP5mtr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/btr/btr0pcur.cc:341
      #14 0x00000fff8d009948 in ._ZL18row_upd_clust_stepP10upd_node_tP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/row/row0upd.cc:2638
      #15 0x00000fff8d009f1c in ._ZL7row_updP10upd_node_tP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/row/row0upd.cc:2814
      #16 0x00000fff8d00a460 in ._Z12row_upd_stepP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/row/row0upd.cc:2966
      #17 0x00000fff8cf54810 in ._ZL12que_thr_stepP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/que/que0que.cc:1061
      #18 0x00000fff8cf54bd4 in ._ZL19que_run_threads_lowP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/que/que0que.cc:1141
      #19 0x00000fff8cf54e0c in ._Z15que_run_threadsP9que_thr_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/que/que0que.cc:1182
      #20 0x00000fff8cf550d4 in ._Z12que_eval_sqlP11pars_info_tPKcmP5trx_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/que/que0que.cc:1259
      #21 0x00000fff8cfb5020 in ._Z24row_drop_table_for_mysqlPKcP5trx_tbmb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/row/row0mysql.cc:4309
      #22 0x00000fff8ce5dd00 in ._ZN9ha_innodb12delete_tableEPKc () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/handler/ha_innodb.cc:12421
      #23 0x00000000402e9830 in ._ZN7handler15ha_delete_tableEPKc () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/handler.cc:4286
      #24 0x00000000402e2a30 in ._Z15ha_delete_tableP3THDP10handlertonPKcS4_S4_b () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/handler.cc:2351
      #25 0x00000000400e4260 in ._Z23mysql_rm_table_no_locksP3THDP10TABLE_LISTbbbbb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_table.cc:2468
      #26 0x00000000400e3310 in ._Z14mysql_rm_tableP3THDP10TABLE_LISTcc () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_table.cc:2084
      #27 0x0000000040004268 in ._Z21mysql_execute_commandP3THD () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_parse.cc:4216
      #28 0x000000004000ea38 in ._Z11mysql_parseP3THDPcjP12Parser_state () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_parse.cc:7314
      #29 0x000000003fffbbbc in ._Z16dispatch_command19enum_server_commandP3THDPcj () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_parse.cc:1486
      #30 0x000000003fffa7ac in ._Z10do_commandP3THD () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_parse.cc:1107
      #31 0x000000004017cc34 in ._Z24do_handle_one_connectionP3THD () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_connect.cc:1350
      #32 0x000000004017c894 in .handle_one_connection () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/sql_connect.cc:1262
      #33 0x0000000040aeef68 in .pfs_spawn_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/perfschema/pfs.cc:1860
      #34 0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #35 0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 3 (Thread 32502):
      #0  0x00000fff94e625a4 in .pthread_cond_timedwait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e6a4 in ._ZL18os_cond_wait_timedP14pthread_cond_tP15os_fast_mutex_tPK8timespec () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:177
      #2  0x00000fff8cf0f284 in ._Z22os_event_wait_time_lowP8os_eventml () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:705
      #3  0x00000fff8cdc4dfc in .dict_stats_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/dict/dict0stats_bg.cc:545
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 2 (Thread 32501):
      #0  0x00000fff94e62130 in .pthread_cond_wait () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x00000fff8cf0e800 in ._ZL12os_cond_waitP14pthread_cond_tP15os_fast_mutex_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:214
      #2  0x00000fff8cf0f050 in ._Z17os_event_wait_lowP8os_eventl () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/os/os0sync.cc:592
      #3  0x00000fff8cd521b4 in .buf_dump_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0dump.cc:703
      #4  0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #5  0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
       
      Thread 1 (Thread 32500):
      #0  0x00000fff94e63a40 in .pthread_kill () from /opt/at7.0/lib64/power7/libpthread.so.0
      #1  0x0000000040b61c4c in .my_write_core ()
      #2  0x00000000402db258 in .handle_fatal_signal () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/sql/signal_handler.cc:294
      #3  <signal handler called>
      #4  0x00000fff945af2f0 in .raise () from /opt/at7.0/lib64/power7/libc.so.6
      #5  0x00000fff945b12f4 in .abort () from /opt/at7.0/lib64/power7/libc.so.6
      #6  0x00000fff8cd35d8c in ._ZL22fil_page_type_validatePKh () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/include/fil0fil.ic:154
      #7  0x00000fff8cd48948 in ._Z29buf_page_encrypt_before_writeP10buf_page_tPhm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0buf.cc:6054
      #8  0x00000fff8cd57b0c in ._ZL25buf_flush_write_block_lowP10buf_page_t11buf_flush_tb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:912
      #9  0x00000fff8cd581cc in ._Z14buf_flush_pageP10buf_pool_tP10buf_page_t11buf_flush_tb () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1061
      #10 0x00000fff8cd58a6c in ._ZL23buf_flush_try_neighborsmm11buf_flush_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1269
      #11 0x00000fff8cd58ddc in ._ZL32buf_flush_page_and_try_neighborsP10buf_page_t11buf_flush_tmPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1343
      #12 0x00000fff8cd598bc in ._ZL23buf_do_flush_list_batchP10buf_pool_tmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1586
      #13 0x00000fff8cd59ce4 in ._Z15buf_flush_batchP10buf_pool_t11buf_flush_tmmP16flush_counters_t () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1649
      #14 0x00000fff8cd5a4fc in ._Z14buf_flush_listmmPm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:1844
      #15 0x00000fff8cd5b0f4 in ._ZL27page_cleaner_do_flush_batchmm () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:2055
      #16 0x00000fff8cd5bf70 in .buf_flush_page_cleaner_thread () at /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/storage/innobase/buf/buf0flu.cc:2323
      #17 0x00000fff94e5c548 in .start_thread () from /opt/at7.0/lib64/power7/libpthread.so.0
      #18 0x00000fff94688454 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:104
      

      Cross-reference finds about two dozen occurrences in buildbot, on 10.1 and 10.2, on p8 and Windows, both innodb_plugin and xtradb, starting around November 2015.

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            Assignee:
            jplindst Jan Lindström
            Reporter:
            elenst Elena Stepanova
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              Created:
              Updated:
              Resolved:

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