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  1. MDEV-6524

Server crashes in my_hash_delete on PPC64

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Cannot Reproduce
    • Affects Version/s: N/A
    • Fix Version/s: N/A
    • Component/s: None
    • Labels:
    • Environment:
      PPC64 RHEL 6.5 export PATH=/opt/at7.0/bin:$PATH && cmake -DCMAKE_BUILD_TYPE=Debug && make -j3

      Description

      It might be the same problem as MDEV-6476 Closed , but I will file it separately just in case.

      #3  <signal handler called>
      #4  0x0000000010ce44bc in my_hash_delete (hash=0xffef80691a80000, record=0xffef8344f90 "") at 10.0/mysys/hash.c:534
      #5  0x0000000010d2024c in remove_from_used_mutex (locked_mutex=0xffecc0653a0, mutex=0xffef8344f90) at 10.0/mysys/thr_mutex.c:797
      #6  0x0000000010ce5064 in my_hash_iterate (hash=0xffef8349d80, action=@0x1145dc68: 0x10d201a8 <remove_from_used_mutex>, argument=0xffef8344f90) at 10.0/mysys/hash.c:762
      #7  0x0000000010d1fd34 in safe_mutex_free_deadlock_data (mp=0xffef8344f90) at 10.0/mysys/thr_mutex.c:661
      #8  0x0000000010d1fbd4 in safe_mutex_destroy (mp=0xffef8344f90, file=0x10eecf08 "10.0/storage/maria/ma_bitmap.c", line=330) at 10.0/mysys/thr_mutex.c:605
      #9  0x0000000010802af0 in inline_mysql_mutex_destroy (that=0xffef8344f90, src_file=0x10eecf08 "10.0/storage/maria/ma_bitmap.c", src_line=330) at 10.0/include/mysql/psi/mysql_thread.h:644
      #10 0x0000000010803be8 in _ma_bitmap_end (share=0xffef8344480) at 10.0/storage/maria/ma_bitmap.c:330
      #11 0x00000000107ecab0 in _ma_once_end_block_record (share=0xffef8344480) at 10.0/storage/maria/ma_blockrec.c:445
      #12 0x000000001081b924 in maria_close (info=0xffef811d090) at 10.0/storage/maria/ma_close.c:102
      #13 0x000000001077375c in ha_maria::close (this=0xffef80f9ec8) at 10.0/storage/maria/ha_maria.cc:1264
      #14 0x00000000105131e8 in handler::ha_close (this=0xffef80f9ec8) at 10.0/sql/handler.cc:2530
      #15 0x0000000010ccba58 in ha_partition::close (this=0xffef80f9778) at 10.0/sql/ha_partition.cc:3691
      #16 0x00000000105131e8 in handler::ha_close (this=0xffef80f9778) at 10.0/sql/handler.cc:2530
      #17 0x000000001039fb60 in closefrm (table=0xffef80455b0, free_share=true) at 10.0/sql/table.cc:2941
      #18 0x00000000102008a4 in intern_close_table (table=0xffef80455b0) at 10.0/sql/sql_base.cc:342
      #19 0x0000000010476a94 in tc_release_table (table=0xffef80455b0) at 10.0/sql/table_cache.cc:408
      #20 0x0000000010202314 in close_thread_table (thd=0x10005ab1cc0, table_ptr=0x10005ab1d80) at 10.0/sql/sql_base.cc:1056
      #21 0x00000000102019a4 in close_open_tables (thd=0x10005ab1cc0) at 10.0/sql/sql_base.cc:779
      #22 0x0000000010201ff4 in close_thread_tables (thd=0x10005ab1cc0) at 10.0/sql/sql_base.cc:1003
      #23 0x00000000102060b8 in Locked_tables_list::unlock_locked_tables (this=0x10005ab5838, thd=0x10005ab1cc0) at 10.0/sql/sql_base.cc:2729
      #24 0x0000000010289a98 in mysql_execute_command (thd=0x10005ab1cc0) at 10.0/sql/sql_parse.cc:3777
      #25 0x00000000102914b4 in mysql_parse (thd=0x10005ab1cc0, rawbuf=0xffecc0052b8 "UNLOCK TABLES", length=13, parser_state=0xfff3d435f28) at 10.0/sql/sql_parse.cc:6411
      #26 0x0000000010282f6c in dispatch_command (command=COM_QUERY, thd=0x10005ab1cc0, packet=0x10005ab7a41 " UNLOCK TABLES", packet_length=14) at 10.0/sql/sql_parse.cc:1307
      #27 0x000000001028213c in do_command (thd=0x10005ab1cc0) at 10.0/sql/sql_parse.cc:1004
      #28 0x00000000103ef520 in do_handle_one_connection (thd_arg=0x10005ab1cc0) at 10.0/sql/sql_connect.cc:1379
      #29 0x00000000103ef184 in handle_one_connection (arg=0x10005ab1cc0) at 10.0/sql/sql_connect.cc:1293
      #30 0x00000fff7899c548 in start_thread (arg=0xfff3d437190) at pthread_create.c:311
      #31 0x00000fff78243c90 in .__clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:106
      

      Stack trace from:

      revision-id: sergii@pisem.net-20140731161437-oxyzqaskmptm5ssv
      revno: 4318
      branch-nick: 10.0-for-stress-tests
      

      RQG command line that triggered the bug (it does not do it every time, so it's just information, not a way to reproduce):

      perl ./runall-new.pl \
      --queries=100000000 \
      --no-mask \
      --seed=1407019341 \
      --threads=8 \
      --duration=600 \
      --queries=100M \
      --reporters=QueryTimeout,Backtrace,ErrorLog,Deadlock \
      --validators=TransformerNoComparator \
      --transformers=ExecuteAsDeleteReturning,ExecuteAsPreparedTwice,DisableOptimizations,EnableOptimizations,OrderBy \
      --redefine=conf/mariadb/general-workarounds.yy \
      --redefine=conf/mariadb/10.0-features-redefine.yy \
      --mysqld=--log_output=FILE \
      --mysqld=--query_cache_size=64M \
      --mysqld=--slow_query_log \
      --mysqld=--long_query_time=0.000001 \
      --mysqld=--log_bin_trust_function_creators=1 \
      --views \
      --grammar=conf/runtime/information_schema.yy \
      --engine=Aria \
      --rpl_mode=mixed \
      --mysqld=--slave-skip-errors=1049,1305,1539,1505,1317 \
      --use-gtid=current_pos \
      --mysqld=--optimizer_switch=extended_keys=on,exists_to_in=on \
      --mysqld=--use_stat_tables=PREFERABLY \
      --mysqld=--optimizer_selectivity_sampling_limit=100 \
      --mysqld=--optimizer_use_condition_selectivity=5 \
      --mysqld=--histogram_size=100 \
      --mysqld=--histogram_type=DOUBLE_PREC_HB \
      --mysqld=--log_slow_verbosity=query_plan,explain \
      --mysqld=--slave_parallel_threads=8 \
      --mtr-build-thread=300 \
      --mask=20623 \
      --basedir1=<basedir> --vardir1=<vardir>
      

      randgen/mariadb-patches

      revision-id: elenst@montyprogram.com-20140802215142-gjrh8ps8d6l58e0e
      revno: 952
      branch-nick: randgen-mariadb-patches
      

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              • Assignee:
                elenst Elena Stepanova
                Reporter:
                elenst Elena Stepanova
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                Dates

                • Created:
                  Updated:
                  Resolved: