GNU gdb (Ubuntu 7.10-1ubuntu2) 7.10 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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 "powerpc64le-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ../sql/mysqld...done. /build/build/mysql-test/var/log/rpl.rpl_innodb_bug28430-mix/mysqld.1/data/core: No such file or directory. (gdb) backtrace full No stack. (gdb) quit GNU gdb (Ubuntu 7.10-1ubuntu2) 7.10 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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 "powerpc64le-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ../sql/mysqld...done. [New LWP 55387] [New LWP 55392] [New LWP 55390] [New LWP 55452] [New LWP 55682] [New LWP 55339] [New LWP 55498] [New LWP 55389] [New LWP 55334] [New LWP 55337] [New LWP 55391] [New LWP 55394] [New LWP 55653] [New LWP 55581] [New LWP 55393] [New LWP 55304] [New LWP 55457] [New LWP 55311] [New LWP 55384] [New LWP 55585] [New LWP 55383] [New LWP 55333] [New LWP 55388] [New LWP 55336] [New LWP 55335] [New LWP 55385] [New LWP 55681] [New LWP 55338] [New LWP 55386] warning: Could not load shared library symbols for linux-vdso64.so.1. Do you need "set solib-search-path" or "set sysroot"? warning: File "/opt/at9.0-2-rc2/lib64/power8/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load". To enable execution of this file add add-auto-load-safe-path /opt/at9.0-2-rc2/lib64/power8/libthread_db-1.0.so line to your configuration file "/build/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/build/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. warning: File "/opt/at9.0-2-rc2/lib64/power8/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load". warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. Core was generated by `/build/build/sql/mysqld --defaults-group-suffix=.1 --defaults-file=/build/build'. Program terminated with signal SIGABRT, Aborted. #0 0x00003fff898d1874 in pthread_kill () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 [Current thread is 1 (LWP 55387)] (gdb) /build/build/mysql-test/var/log/rpl.rpl_innodb_bug28430-mix/mysqld.1/data/core (gdb) [2@^?ne/build/build/mysql-test/var/log/rpl.rpl_innodb_bug28430-mix/mysqld.1/data/core^?                                                                              /build/build/mysql-test/var/log/rpl.rpl_innodb_bug28430-mix/mysqld.1/data/core                                                                              backtrace full #0 0x00003fff898d1874 in pthread_kill () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 No symbol table info available. #1 0x0000000010b9b3c0 in my_write_core (sig=) at /build/mysql/mysys/stacktrace.c:247 No locals. #2 0x000000001036e404 in handle_fatal_signal (sig=) at /build/mysql/sql/signal_handler.cc:220 curr_time = tmins = thrs = hrs = mins = secs = hrs_buf = "00" mins_buf = "23" secs_buf = "00" max_threads = #3 No locals. #4 0x00003fff8930efc0 in raise () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 No symbol table info available. #5 0x00003fff893119a0 in abort () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 No symbol table info available. #6 0x0000000010335e20 in ut_dbg_assertion_failed (expr=0x112c5a98 "srv_sys->n_threads_active[type] < srv_n_purge_threads - 1", file=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", line=897) at /build/mysql/storage/innobase/ut/ut0dbg.cc:67 No locals. #7 0x0000000010d30e24 in srv_release_threads (type=, n=) at /build/mysql/storage/innobase/srv/srv0srv.cc:896 slot = i = 4 count = 0 #8 0x0000000010d36d34 in srv_que_task_enqueue_low (thr=0x100364c43b8) at /build/mysql/storage/innobase/srv/srv0srv.cc:2861 No locals. #9 0x0000000010d66d48 in trx_purge (n_purge_threads=4, batch_size=, truncate=) at /build/mysql/storage/innobase/trx/trx0purge.cc:1835 i = 2 thr = #10 0x0000000010d38490 in srv_do_purge (n_total_purged=, n_threads=4) at /build/mysql/storage/innobase/srv/srv0srv.cc:2605 count = 1347 rseg_history_len = 462 n_pages_purged = old_activity_count = 1675 n_use_threads = 4 #11 srv_purge_coordinator_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2777 thd = slot = 0x10036177188 n_total_purged = 0 rseg_history_len = n_pages_purged = temp_batch_size = #12 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 No symbol table info available. #13 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 No symbol table info available. (gdb) up #1 0x0000000010b9b3c0 in my_write_core (sig=) at /build/mysql/mysys/stacktrace.c:247 247 pthread_kill(my_thread_self(), sig); (gdb) up #2 0x000000001036e404 in handle_fatal_signal (sig=) at /build/mysql/sql/signal_handler.cc:220 220 my_write_core(sig); (gdb) up #3 (gdb) up #4 0x00003fff8930efc0 in raise () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 (gdb) up #5 0x00003fff893119a0 in abort () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 (gdb) up #6 0x0000000010335e20 in ut_dbg_assertion_failed (expr=0x112c5a98 "srv_sys->n_threads_active[type] < srv_n_purge_threads - 1", file=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", line=897) at /build/mysql/storage/innobase/ut/ut0dbg.cc:67 67 abort(); (gdb) p srv_n_purge_threads $1 = 4 (gdb) p type No symbol "type" in current context. (gdb) p srv_sys->n_threads_active $2 = {0, 3, 1, 1} (gdb) thread apply all backtrace Thread 29 (LWP 55386): #0 0x00003fff898d5b90 in nanosleep () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7ea74 in os_thread_sleep (tm=) at /build/mysql/storage/innobase/os/os0thread.cc:258 #2 0x0000000010d3c7e8 in srv_master_sleep () at /build/mysql/storage/innobase/srv/srv0srv.cc:2304 #3 srv_master_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2351 #4 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #5 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 28 (LWP 55338): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6b21e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6b21e520, m1=0x3fff6b21e758, m2=0x3fff6b21e750, request=0x3fff6b21e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6b21e740, m2=0x3fff6b21e750, m1=0x3fff6b21e758, global_segment=5) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=5, m1=0x3fff6b21e758, m2=0x3fff6b21e750, request=0x3fff6b21e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 27 (LWP 55681): #0 0x00003fff898d5994 in fsync () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c77188 in os_file_fsync_posix (file=9) at /build/mysql/storage/innobase/os/os0file.cc:2872 #2 os_file_flush_func (file=) at /build/mysql/storage/innobase/os/os0file.cc:2987 #3 0x0000000010e7be08 in pfs_os_file_flush_func (src_file=0x112d5cd0 "/build/mysql/storage/innobase/fil/fil0fil.cc", src_line=5837, file=9) at /build/mysql/storage/innobase/include/os0file.ic:402 #4 fil_flush (space_id=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5837 #5 0x0000000010c45120 in log_write_flush_to_disk_low () at /build/mysql/storage/innobase/log/log0log.cc:1138 #6 log_write_up_to (lsn=, flush_to_disk=) at /build/mysql/storage/innobase/log/log0log.cc:1347 #7 0x0000000010c45380 in log_buffer_flush_to_disk (sync=) at /build/mysql/storage/innobase/log/log0log.cc:1359 #8 0x0000000010bcd810 in innobase_flush_logs (hton=, binlog_group_flush=) at /build/mysql/storage/innobase/handler/ha_innodb.cc:3867 #9 0x00000000103cde2c in flush_handlerton (thd=, plugin=, arg=) at /build/mysql/sql/handler.cc:2342 #10 0x000000001092bd44 in plugin_foreach_with_mask (thd=0x0, func=0x103cdde0 , type=, state_mask=4294967287, arg=0x3fff6db0a420) at /build/mysql/sql/sql_plugin.cc:2249 #11 0x00000000103d6788 in ha_flush_logs (db_type=, binlog_group_flush=) at /build/mysql/sql/handler.cc:2352 #12 0x0000000010b217e8 in MYSQL_BIN_LOG::process_flush_stage_queue (this=0x11942000 , total_bytes_var=0x3fff6db0a550, rotate_var=0x3fff6db0a558, out_queue_var=0x3fff6db0a548) at /build/mysql/sql/binlog.cc:8154 #13 0x0000000010b219f0 in MYSQL_BIN_LOG::ordered_commit (this=0x11942000 , thd=0x3fff20000ae0, all=, skip_commit=) at /build/mysql/sql/binlog.cc:8789 #14 0x0000000010b2314c in MYSQL_BIN_LOG::commit (this=0x11942000 , thd=0x3fff20000ae0, all=) at /build/mysql/sql/binlog.cc:8061 #15 0x00000000103d5998 in ha_commit_trans (thd=0x3fff20000ae0, all=, ignore_global_read_lock=) at /build/mysql/sql/handler.cc:1689 #16 0x00000000109cb2a8 in trans_commit_stmt (thd=) at /build/mysql/sql/transaction.cc:458 #17 0x0000000010905f38 in mysql_execute_command (thd=0x3fff20000ae0, first_level=) at /build/mysql/sql/sql_parse.cc:4946 #18 0x00000000108794f4 in sp_instr_stmt::exec_core (this=0x3fff200b6f58, thd=0x3fff20000ae0, nextp=) at /build/mysql/sql/sp_instr.cc:932 #19 0x000000001087c1e4 in sp_lex_instr::reset_lex_and_exec_core (this=0x3fff200b6f58, thd=0x3fff20000ae0, nextp=0x3fff6db0cd88, open_tables=) at /build/mysql/sql/sp_instr.cc:402 #20 0x000000001087cc44 in sp_lex_instr::validate_lex_and_execute_core (this=0x3fff200b6f58, thd=0x3fff20000ae0, nextp=0x3fff6db0cd88, open_tables=) at /build/mysql/sql/sp_instr.cc:667 #21 0x000000001087dd54 in sp_instr_stmt::execute (this=0x3fff200b6f58, thd=0x3fff20000ae0, nextp=0x3fff6db0cd88) at /build/mysql/sql/sp_instr.cc:843 #22 0x00000000108742bc in sp_head::execute (this=0x3fff20098480, thd=0x3fff20000ae0, merge_da_on_success=) at /build/mysql/sql/sp_head.cc:789 #23 0x00000000108781a0 in sp_head::execute_procedure (this=0x3fff20098480, thd=0x3fff20000ae0, args=0x3fff20002fd0) at /build/mysql/sql/sp_head.cc:1522 #24 0x000000001090439c in mysql_execute_command (thd=0x3fff20000ae0, first_level=) at /build/mysql/sql/sql_parse.cc:4496 #25 0x00000000109091ec in mysql_parse (thd=0x3fff20000ae0, parser_state=) at /build/mysql/sql/sql_parse.cc:5508 #26 0x0000000010909c4c in dispatch_command (thd=0x3fff20000ae0, com_data=, command=COM_QUERY) at /build/mysql/sql/sql_parse.cc:1425 #27 0x000000001090b7a4 in do_command (thd=0x3fff20000ae0) at /build/mysql/sql/sql_parse.cc:993 #28 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #29 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #30 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #31 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 26 (LWP 55385): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x100361777e8, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010d33894 in srv_monitor_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:1559 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 25 (LWP 55335): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6ca1e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6ca1e520, m1=0x3fff6ca1e758, m2=0x3fff6ca1e750, request=0x3fff6ca1e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6ca1e740, m2=0x3fff6ca1e750, m1=0x3fff6ca1e758, global_segment=2) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=2, m1=0x3fff6ca1e758, m2=0x3fff6ca1e750, request=0x3fff6ca1e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 24 (LWP 55336): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6c21e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6c21e520, m1=0x3fff6c21e758, m2=0x3fff6c21e750, request=0x3fff6c21e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6c21e740, m2=0x3fff6c21e750, m1=0x3fff6c21e758, global_segment=3) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=3, m1=0x3fff6c21e758, m2=0x3fff6c21e750, request=0x3fff6c21e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 23 (LWP 55388): #0 0x00003fff898d00d0 in pthread_cond_wait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7e114 in os_event::wait (this=) at /build/mysql/storage/innobase/os/os0event.cc:165 #2 os_event::wait_low (this=0x10036177288, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:335 #3 0x0000000010c7e700 in os_event_wait_low (event=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:534 #4 0x0000000010d485b4 in sync_array_wait_event (arr=0x100361606c8, cell=@0x3fff62ffe6c0: 0x3fff82db0068) at /build/mysql/storage/innobase/sync/sync0arr.cc:475 #5 0x0000000010d35fb0 in TTASEventMutex::wait (spin=4, line=836, filename=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", this=) at /build/mysql/storage/innobase/include/ut0mutex.ic:89 #6 TTASEventMutex::spin_and_try_lock (line=836, filename=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", max_delay=, max_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:850 #7 TTASEventMutex::enter (line=836, filename=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", max_delay=, max_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:707 #8 PolicyMutex >::enter (name=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", line=836, n_delay=, n_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:987 #9 srv_suspend_thread (slot=) at /build/mysql/storage/innobase/srv/srv0srv.cc:836 #10 srv_worker_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2492 #11 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #12 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 22 (LWP 55333): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6da1e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6da1e520, m1=0x3fff6da1e758, m2=0x3fff6da1e750, request=0x3fff6da1e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6da1e740, m2=0x3fff6da1e750, m1=0x3fff6da1e758, global_segment=0) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=0, m1=0x3fff6da1e758, m2=0x3fff6da1e750, request=0x3fff6da1e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 21 (LWP 55383): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x100363c91c8, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010c42534 in lock_wait_timeout_thread (arg=) at /build/mysql/storage/innobase/lock/lock0wait.cc:501 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 20 (LWP 55585): #0 0x00003fff893ef458 in poll () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000011021164 in vio_io_wait (vio=, event=, timeout=) at /build/mysql/vio/viosocket.c:786 #2 0x000000001102126c in vio_socket_io_wait (vio=, event=) at /build/mysql/vio/viosocket.c:77 #3 0x00000000110213e0 in vio_read (vio=, buf=0x3fff3000a060 "\001", size=4) at /build/mysql/vio/viosocket.c:132 #4 0x000000001083f91c in net_read_raw_loop (net=0x3fff30002270, count=4) at /build/mysql/sql/net_serv.cc:665 #5 0x000000001083fe04 in net_read_packet_header (net=0x3fff30002270) at /build/mysql/sql/net_serv.cc:749 #6 net_read_packet (net=0x3fff30002270, complen=0x3fff6dbae530) at /build/mysql/sql/net_serv.cc:815 #7 0x000000001084116c in my_net_read (net=0x3fff30002270) at /build/mysql/sql/net_serv.cc:892 #8 0x0000000010852f08 in Protocol_classic::read_packet (this=0x3fff30001b20) at /build/mysql/sql/protocol_classic.cc:810 #9 Protocol_classic::get_command (this=0x3fff30001b20, com_data=, cmd=) at /build/mysql/sql/protocol_classic.cc:967 #10 0x000000001090b6b0 in do_command (thd=0x3fff30000ae0) at /build/mysql/sql/sql_parse.cc:932 #11 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #12 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #13 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #14 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 19 (LWP 55384): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x10036177758, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010d3aa48 in srv_error_monitor_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:1725 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 18 (LWP 55311): #0 0x00003fff893110b4 in sigwaitinfo () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000010ba995c in timer_notify_thread_func (arg=) at /build/mysql/mysys/posix_timers.c:77 #2 0x0000000010f3479c in pfs_spawn_thread (arg=0x10036110bd0) at /build/mysql/storage/perfschema/pfs.cc:2192 #3 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #4 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 17 (LWP 55457): #0 0x00003fff898d00d0 in pthread_cond_wait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010adfda4 in native_cond_wait (mutex=, cond=) at /build/mysql/include/thr_cond.h:136 #2 my_cond_wait (mp=, cond=) at /build/mysql/include/thr_cond.h:191 #3 inline_mysql_cond_wait (that=, mutex=, src_file=0x11297e30 "/build/mysql/sql/rpl_gtid_persist.cc", src_line=773) at /build/mysql/include/mysql/psi/mysql_thread.h:1184 #4 compress_gtid_table (p_thd=) at /build/mysql/sql/rpl_gtid_persist.cc:773 #5 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #6 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #7 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 16 (LWP 55304): #0 0x00003fff893ef458 in poll () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x00000000109f0508 in Mysqld_socket_listener::listen_for_connection_event (this=0x10036461a00) at /build/mysql/sql/conn_handler/socket_connection.cc:848 #2 0x0000000010368328 in Connection_acceptor::connection_event_loop (this=0x1003644f830) at /build/mysql/sql/conn_handler/connection_acceptor.h:66 #3 mysqld_main (argc=91, argv=0x10035fecc68) at /build/mysql/sql/mysqld.cc:4921 #4 0x0000000010338390 in main (argc=, argv=) at /build/mysql/sql/main.cc:25 Thread 15 (LWP 55393): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x1003642c5a8, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010daa3dc in ib_wqueue_timedwait (wq=0x1003642c438, wait_in_usecs=) at /build/mysql/storage/innobase/ut/ut0wqueue.cc:160 #5 0x0000000010ec5efc in fts_optimize_thread (arg=0x1003642c438) at /build/mysql/storage/innobase/fts/fts0opt.cc:2977 #6 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #7 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 14 (LWP 55581): #0 0x00003fff893ef458 in poll () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000011021164 in vio_io_wait (vio=, event=, timeout=) at /build/mysql/vio/viosocket.c:786 #2 0x000000001102126c in vio_socket_io_wait (vio=, event=) at /build/mysql/vio/viosocket.c:77 #3 0x00000000110213e0 in vio_read (vio=, buf=0x3fff3c00a060 "\001", size=4) at /build/mysql/vio/viosocket.c:132 #4 0x000000001083f91c in net_read_raw_loop (net=0x3fff3c002270, count=4) at /build/mysql/sql/net_serv.cc:665 #5 0x000000001083fe04 in net_read_packet_header (net=0x3fff3c002270) at /build/mysql/sql/net_serv.cc:749 #6 net_read_packet (net=0x3fff3c002270, complen=0x3fff6dbfe530) at /build/mysql/sql/net_serv.cc:815 #7 0x000000001084116c in my_net_read (net=0x3fff3c002270) at /build/mysql/sql/net_serv.cc:892 #8 0x0000000010852f08 in Protocol_classic::read_packet (this=0x3fff3c001b20) at /build/mysql/sql/protocol_classic.cc:810 #9 Protocol_classic::get_command (this=0x3fff3c001b20, com_data=, cmd=) at /build/mysql/sql/protocol_classic.cc:967 #10 0x000000001090b6b0 in do_command (thd=0x3fff3c000ae0) at /build/mysql/sql/sql_parse.cc:932 #11 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #12 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #13 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #14 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 13 (LWP 55653): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010b15904 in native_cond_timedwait (abstime=0x3fff6db5cbc0, mutex=, cond=) at /build/mysql/include/thr_cond.h:125 #2 my_cond_timedwait (abstime=0x3fff6db5cbc0, mp=, cond=) at /build/mysql/include/thr_cond.h:178 #3 inline_mysql_cond_timedwait (src_file=0x1129a3e8 "/build/mysql/sql/binlog.cc", src_line=7492, abstime=0x3fff6db5cbc0, mutex=, that=) at /build/mysql/include/mysql/psi/mysql_thread.h:1229 #4 MYSQL_BIN_LOG::wait_for_update_bin_log (this=0x11942000 , thd=, timeout=0x3fff6db5cbc0) at /build/mysql/sql/binlog.cc:7492 #5 0x0000000010b36a44 in Binlog_sender::wait_with_heartbeat (log_pos=, this=) at /build/mysql/sql/rpl_binlog_sender.cc:620 #6 Binlog_sender::wait_new_events (log_pos=, this=) at /build/mysql/sql/rpl_binlog_sender.cc:599 #7 Binlog_sender::get_binlog_end_pos (log_cache=0x3fff6db5d120, this=) at /build/mysql/sql/rpl_binlog_sender.cc:365 #8 Binlog_sender::send_binlog (this=0x3fff6db5d310, log_cache=0x3fff6db5d120, start_pos=) at /build/mysql/sql/rpl_binlog_sender.cc:313 #9 0x0000000010b36f28 in Binlog_sender::run (this=0x3fff6db5d310) at /build/mysql/sql/rpl_binlog_sender.cc:225 #10 0x0000000010b3057c in mysql_binlog_send (thd=, log_ident=, pos=, slave_gtid_executed=, flags=) at /build/mysql/sql/rpl_master.cc:415 #11 0x0000000010b31770 in com_binlog_dump (thd=0x3fff2c000ae0, packet=0x3fff2c00a061 "", packet_length=) at /build/mysql/sql/rpl_master.cc:342 #12 0x000000001090a428 in dispatch_command (thd=0x3fff2c000ae0, com_data=0x3fff6db5e610, command=COM_BINLOG_DUMP) at /build/mysql/sql/sql_parse.cc:1644 #13 0x000000001090b7a4 in do_command (thd=0x3fff2c000ae0) at /build/mysql/sql/sql_parse.cc:993 #14 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #15 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #16 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #17 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 12 (LWP 55394): #0 0x00003fff898d00d0 in pthread_cond_wait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7e114 in os_event::wait (this=) at /build/mysql/storage/innobase/os/os0event.cc:165 #2 os_event::wait_low (this=0x10036177998, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:335 #3 0x0000000010c7e700 in os_event_wait_low (event=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:534 #4 0x0000000010df3650 in buf_resize_thread (arg=) at /build/mysql/storage/innobase/buf/buf0buf.cc:2962 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 11 (LWP 55391): #0 0x00003fff898d00d0 in pthread_cond_wait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7e114 in os_event::wait (this=) at /build/mysql/storage/innobase/os/os0event.cc:165 #2 os_event::wait_low (this=0x10036177878, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:335 #3 0x0000000010c7e700 in os_event_wait_low (event=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:534 #4 0x0000000010e020f0 in buf_dump_thread (arg=) at /build/mysql/storage/innobase/buf/buf0dump.cc:753 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 10 (LWP 55337): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6ba1e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6ba1e520, m1=0x3fff6ba1e758, m2=0x3fff6ba1e750, request=0x3fff6ba1e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6ba1e740, m2=0x3fff6ba1e750, m1=0x3fff6ba1e758, global_segment=4) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=4, m1=0x3fff6ba1e758, m2=0x3fff6ba1e750, request=0x3fff6ba1e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 9 (LWP 55334): #0 0x00003fff89890738 in ?? () from /lib/powerpc64le-linux-gnu/libaio.so.1 #1 0x00003fff898907a0 in io_getevents () from /lib/powerpc64le-linux-gnu/libaio.so.1 #2 0x0000000010c7017c in LinuxAIOHandler::collect (this=0x3fff6d21e520) at /build/mysql/storage/innobase/os/os0file.cc:2319 #3 0x0000000010c78d80 in LinuxAIOHandler::poll (this=0x3fff6d21e520, m1=0x3fff6d21e758, m2=0x3fff6d21e750, request=0x3fff6d21e740) at /build/mysql/storage/innobase/os/os0file.cc:2465 #4 0x0000000010c7bfc0 in os_aio_linux_handler (request=0x3fff6d21e740, m2=0x3fff6d21e750, m1=0x3fff6d21e758, global_segment=1) at /build/mysql/storage/innobase/os/os0file.cc:2521 #5 os_aio_handler (segment=1, m1=0x3fff6d21e758, m2=0x3fff6d21e750, request=0x3fff6d21e740) at /build/mysql/storage/innobase/os/os0file.cc:6071 #6 0x0000000010e746cc in fil_aio_wait (segment=) at /build/mysql/storage/innobase/fil/fil0fil.cc:5680 #7 0x0000000010d3e028 in io_handler_thread (arg=) at /build/mysql/storage/innobase/srv/srv0start.cc:308 #8 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #9 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 8 (LWP 55389): #0 0x00003fff893dbcac in sched_yield () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000010c7e9e0 in os_thread_yield () at /build/mysql/storage/innobase/os/os0thread.cc:238 #2 0x0000000010d35e54 in TTASEventMutex::spin_and_try_lock (line=836, filename=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", max_delay=, max_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:839 #3 TTASEventMutex::enter (line=836, filename=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", max_delay=, max_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:707 #4 PolicyMutex >::enter (name=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", line=836, n_delay=, n_spins=, this=0x10036176fe0) at /build/mysql/storage/innobase/include/ib0mutex.h:987 #5 srv_suspend_thread (slot=) at /build/mysql/storage/innobase/srv/srv0srv.cc:836 #6 srv_worker_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2492 #7 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #8 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 7 (LWP 55498): #0 0x00003fff893ef458 in poll () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000011021164 in vio_io_wait (vio=, event=, timeout=) at /build/mysql/vio/viosocket.c:786 #2 0x000000001102126c in vio_socket_io_wait (vio=, event=) at /build/mysql/vio/viosocket.c:77 #3 0x00000000110213e0 in vio_read (vio=, buf=0x3fff382b6350 "\001", size=4) at /build/mysql/vio/viosocket.c:132 #4 0x000000001083f91c in net_read_raw_loop (net=0x3fff3811c450, count=4) at /build/mysql/sql/net_serv.cc:665 #5 0x000000001083fe04 in net_read_packet_header (net=0x3fff3811c450) at /build/mysql/sql/net_serv.cc:749 #6 net_read_packet (net=0x3fff3811c450, complen=0x3fff6dc4e530) at /build/mysql/sql/net_serv.cc:815 #7 0x000000001084116c in my_net_read (net=0x3fff3811c450) at /build/mysql/sql/net_serv.cc:892 #8 0x0000000010852f08 in Protocol_classic::read_packet (this=0x3fff3811bd00) at /build/mysql/sql/protocol_classic.cc:810 #9 Protocol_classic::get_command (this=0x3fff3811bd00, com_data=, cmd=) at /build/mysql/sql/protocol_classic.cc:967 #10 0x000000001090b6b0 in do_command (thd=0x3fff3811acc0) at /build/mysql/sql/sql_parse.cc:932 #11 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #12 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #13 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #14 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 6 (LWP 55339): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x10036177908, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010e11c5c in pc_sleep_if_needed (sig_count=2, next_loop_time=1453940580730) at /build/mysql/storage/innobase/buf/buf0flu.cc:2690 #5 buf_flush_page_cleaner_coordinator (arg=) at /build/mysql/storage/innobase/buf/buf0flu.cc:3191 #6 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #7 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 5 (LWP 55682): #0 0x00003fff893ef458 in poll () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #1 0x0000000011021164 in vio_io_wait (vio=, event=, timeout=) at /build/mysql/vio/viosocket.c:786 #2 0x000000001102126c in vio_socket_io_wait (vio=, event=) at /build/mysql/vio/viosocket.c:77 #3 0x00000000110213e0 in vio_read (vio=, buf=0x3fff2400a060 "\001", size=4) at /build/mysql/vio/viosocket.c:132 #4 0x000000001083f91c in net_read_raw_loop (net=0x3fff24002270, count=4) at /build/mysql/sql/net_serv.cc:665 #5 0x000000001083fe04 in net_read_packet_header (net=0x3fff24002270) at /build/mysql/sql/net_serv.cc:749 #6 net_read_packet (net=0x3fff24002270, complen=0x3fff6dabe530) at /build/mysql/sql/net_serv.cc:815 #7 0x000000001084116c in my_net_read (net=0x3fff24002270) at /build/mysql/sql/net_serv.cc:892 #8 0x0000000010852f08 in Protocol_classic::read_packet (this=0x3fff24001b20) at /build/mysql/sql/protocol_classic.cc:810 #9 Protocol_classic::get_command (this=0x3fff24001b20, com_data=, cmd=) at /build/mysql/sql/protocol_classic.cc:967 #10 0x000000001090b6b0 in do_command (thd=0x3fff24000ae0) at /build/mysql/sql/sql_parse.cc:932 #11 0x00000000109edbf0 in handle_connection (arg=) at /build/mysql/sql/conn_handler/connection_handler_per_thread.cc:301 #12 0x0000000010f3479c in pfs_spawn_thread (arg=0x100367467b0) at /build/mysql/storage/perfschema/pfs.cc:2192 #13 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #14 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 4 (LWP 55452): #0 0x00003fff898d6514 in sigwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x000000001035f5dc in signal_hand (arg=) at /build/mysql/sql/mysqld.cc:2085 #2 0x0000000010f3479c in pfs_spawn_thread (arg=0x1003614e160) at /build/mysql/storage/perfschema/pfs.cc:2192 #3 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #4 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 3 (LWP 55390): #0 0x00003fff898d00d0 in pthread_cond_wait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7e114 in os_event::wait (this=) at /build/mysql/storage/innobase/os/os0event.cc:165 #2 os_event::wait_low (this=0x100361776c8, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:335 #3 0x0000000010c7e700 in os_event_wait_low (event=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:534 #4 0x0000000010d357f8 in srv_worker_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2494 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 2 (LWP 55392): #0 0x00003fff898d05d4 in pthread_cond_timedwait () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010c7df3c in os_event::timed_wait (this=, abstime=) at /build/mysql/storage/innobase/os/os0event.cc:285 #2 0x0000000010c7e288 in os_event::wait_time_low (this=0x100363faa88, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:412 #3 0x0000000010c7e6b0 in os_event_wait_time_low (event=, time_in_usec=, reset_sig_count=) at /build/mysql/storage/innobase/os/os0event.cc:517 #4 0x0000000010e695c8 in dict_stats_thread (arg=) at /build/mysql/storage/innobase/dict/dict0stats_bg.cc:409 #5 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #6 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 Thread 1 (LWP 55387): #0 0x00003fff898d1874 in pthread_kill () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #1 0x0000000010b9b3c0 in my_write_core (sig=) at /build/mysql/mysys/stacktrace.c:247 #2 0x000000001036e404 in handle_fatal_signal (sig=) at /build/mysql/sql/signal_handler.cc:220 #3 #4 0x00003fff8930efc0 in raise () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #5 0x00003fff893119a0 in abort () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 #6 0x0000000010335e20 in ut_dbg_assertion_failed (expr=0x112c5a98 "srv_sys->n_threads_active[type] < srv_n_purge_threads - 1", file=0x112c5978 "/build/mysql/storage/innobase/srv/srv0srv.cc", line=897) at /build/mysql/storage/innobase/ut/ut0dbg.cc:67 #7 0x0000000010d30e24 in srv_release_threads (type=, n=) at /build/mysql/storage/innobase/srv/srv0srv.cc:896 #8 0x0000000010d36d34 in srv_que_task_enqueue_low (thr=0x100364c43b8) at /build/mysql/storage/innobase/srv/srv0srv.cc:2861 #9 0x0000000010d66d48 in trx_purge (n_purge_threads=4, batch_size=, truncate=) at /build/mysql/storage/innobase/trx/trx0purge.cc:1835 #10 0x0000000010d38490 in srv_do_purge (n_total_purged=, n_threads=4) at /build/mysql/storage/innobase/srv/srv0srv.cc:2605 #11 srv_purge_coordinator_thread (arg=) at /build/mysql/storage/innobase/srv/srv0srv.cc:2777 #12 0x00003fff898c7efc in ?? () from /opt/at9.0-2-rc2/lib64/power8/libpthread.so.0 #13 0x00003fff893ff920 in clone () from /opt/at9.0-2-rc2/lib64/power8/libc.so.6 (gdb) quit