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  1. MariaDB Server
  2. MDEV-28441

liburing failure causes assertions



    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Not a Bug
    • Affects Version/s: 10.6
    • Fix Version/s: N/A
    • Labels:
    • Environment:
      ubuntu 22.04


      From: https://bugs.launchpad.net/ubuntu/+source/mariadb-10.6/+bug/1970634

      $  podman run --rm --cap-add=CAP_SYS_PTRACE -e MARIADB_ROOT_PASSWORD=bob -ti --user mysql  m106_jammy_debug  bash
      mysql@0740c1895ab4:/$ gdb --args  mariadbd --bootstrap
      GNU gdb (Ubuntu 12.0.90-0ubuntu1) 12.0.90
      Copyright (C) 2022 Free Software Foundation, Inc.
      License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
      This is free software: you are free to change and redistribute it.
      There is NO WARRANTY, to the extent permitted by law.
      Type "show copying" and "show warranty" for details.
      This GDB was configured as "x86_64-linux-gnu".
      Type "show configuration" for configuration details.
      For bug reporting instructions, please see:
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      Type "apropos word" to search for commands related to "word"...
      Reading symbols from mariadbd...
      Reading symbols from /usr/lib/debug/.build-id/44/991764aba74dce2376ff38060a66adb6cfe4c0.debug...
      (gdb) r
      Starting program: /usr/sbin/mariadbd --bootstrap
      warning: Error disabling address space randomization: Function not implemented
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
      2022-04-28 22:59:13 0 [Note] /usr/sbin/mariadbd (server 10.6.7-MariaDB-2ubuntu1) starting as process 14 ...
      [New Thread 0x7f1b390b2640 (LWP 17)]
      [New Thread 0x7f1b245c0640 (LWP 18)]
      2022-04-28 22:59:13 0 [Note] InnoDB: The first data file './ibdata1' did not exist. A new tablespace will be created!
      2022-04-28 22:59:13 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2022-04-28 22:59:13 0 [Note] InnoDB: Number of pools: 1
      2022-04-28 22:59:13 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
      2022-04-28 22:59:13 0 [Note] mariadbd: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2022-04-28 22:59:13 0 [Warning] mariadbd: io_uring_queue_init() failed with ENOSYS: try uprading the kernel
      Thread 1 "mariadbd" received signal SIGABRT, Aborted.
      __pthread_kill_implementation (no_tid=0, signo=6, threadid=139754903728000) at ./nptl/pthread_kill.c:44
      44	./nptl/pthread_kill.c: No such file or directory.
      (gdb) bt
      #0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=139754903728000) at ./nptl/pthread_kill.c:44
      #1  __pthread_kill_internal (signo=6, threadid=139754903728000) at ./nptl/pthread_kill.c:78
      #2  __GI___pthread_kill (threadid=139754903728000, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
      #3  0x00007f1b38a42476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
      #4  0x00007f1b38a287f3 in __GI_abort () at ./stdlib/abort.c:79
      #5  0x00005640ceb351dc in _Unwind_SetGR.cold ()
      #6  0x00005640cf4218af in __gcc_personality_v0 ()
      #7  0x00007f1b39743c64 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
      #8  0x00007f1b39744321 in _Unwind_RaiseException () from /lib/x86_64-linux-gnu/libgcc_s.so.1
      #9  0x00007f1b38eae54b in __cxa_throw () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #10 0x00005640ceb232ed in (anonymous namespace)::aio_uring::aio_uring (this=<optimized out>, tpool=<optimized out>, max_aio=<optimized out>, this=<optimized out>, tpool=<optimized out>, 
          max_aio=<optimized out>) at ../tpool/./tpool/aio_liburing.cc:63
      #11 0x00005640cf2e2043 in tpool::create_linux_aio (max_aio=2048, pool=0x5640d1625cf0) at ../tpool/./tpool/aio_liburing.cc:194
      #12 tpool::thread_pool_generic::create_native_aio (this=0x5640d1625cf0, max_io=2048) at ../tpool/./tpool/tpool_generic.cc:285
      #13 0x00005640ceaea297 in tpool::thread_pool::configure_aio (this=0x5640d1625cf0, use_native_aio=<optimized out>, max_io=max_io@entry=2048) at ../storage/innobase/./tpool/tpool.h:215
      #14 0x00005640ceaf07d5 in os_aio_init () at ../storage/innobase/./storage/innobase/os/os0file.cc:3759
      #15 0x00005640ceb037f8 in srv_start (create_new_db=<optimized out>) at ../storage/innobase/./storage/innobase/srv/srv0start.cc:1180
      #16 0x00005640cf1815b9 in innodb_init (p=<optimized out>) at ../storage/innobase/./storage/innobase/handler/ha_innodb.cc:4275
      #17 0x00005640ceef25f2 in ha_initialize_handlerton (plugin=0x5640d14d8b00) at ./sql/handler.cc:659
      #18 0x00005640cecb5c7f in plugin_initialize (tmp_root=0x7ffdb8bea250, plugin=0x5640d14d8b00, argc=0x5640cfbe92e0 <remaining_argc>, argv=0x5640d14a1860, options_only=<optimized out>)
          at ./sql/sql_plugin.cc:1463
      #19 0x00005640cecb9a84 in plugin_init (argc=<optimized out>, argv=<optimized out>, flags=1) at ./sql/sql_plugin.cc:1756
      #20 0x00005640ceb8cf5b in init_server_components () at ./sql/mysqld.cc:5046
      #21 0x00005640ceb921fa in mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:5661
      #22 0x00007f1b38a29d90 in __libc_start_call_main (main=main@entry=0x5640ceb35240 <main(int, char**)>, argc=argc@entry=2, argv=argv@entry=0x7ffdb8becb68)
          at ../sysdeps/nptl/libc_start_call_main.h:58
      #23 0x00007f1b38a29e40 in __libc_start_main_impl (main=0x5640ceb35240 <main(int, char**)>, argc=2, argv=0x7ffdb8becb68, init=<optimized out>, fini=<optimized out>, 
          rtld_fini=<optimized out>, stack_end=0x7ffdb8becb58) at ../csu/libc-start.c:392
      #24 0x00005640ceb7cbe5 in _start ()

      The runtime exception std::runtime_error thrown by aio_uring::aio_uring isn't caught. Might be a compile option causing this to error while other cases succeeded.


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              marko Marko Mäkelä
              danblack Daniel Black
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