Thread 16 (Thread 0x40a00960 (LWP 22827)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959c7268) at Synchronize.cpp:123
#2  0x000000000090db87 in Cache::ioThread (this=0x2a957edff0) at Cache.cpp:953
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959c7268) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959c7284) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 15 (Thread 0x41401960 (LWP 22828)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959c73a8) at Synchronize.cpp:123
#2  0x000000000090db87 in Cache::ioThread (this=0x2a957edff0) at Cache.cpp:953
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959c73a8) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959c73c4) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x41e02960 (LWP 22829)):
#0  0x000000360d308b9f in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x0000000000902116 in Synchronize::sleep (this=0x2a959d07f8, milliseconds=<value optimized out>, callersMutex=0x0) at Synchronize.cpp:181
#2  0x00000000008852f6 in Database::ticker (database=<value optimized out>) at Database.cpp:1886
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d07f8) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d0814) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x42803960 (LWP 22830)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d0938) at Synchronize.cpp:123
#2  0x00000000008be78c in PageWriter::writer (this=0x2a9585fd90) at PageWriter.cpp:171
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d0938) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d0954) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x43204960 (LWP 22831)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d0ee0) at Synchronize.cpp:123
#2  0x0000000000913406 in Gopher::gopherThread (this=0x2a959c7d40) at Gopher.cpp:58
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d0ee0) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d0efc) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x43c05960 (LWP 22832)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d1020) at Synchronize.cpp:123
#2  0x0000000000913406 in Gopher::gopherThread (this=0x2a959c7d08) at Gopher.cpp:58
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d1020) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d103c) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x44606960 (LWP 22833)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d1160) at Synchronize.cpp:123
#2  0x0000000000913406 in Gopher::gopherThread (this=0x2a959c7cd0) at Gopher.cpp:58
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d1160) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d117c) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x45007960 (LWP 22834)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d12a0) at Synchronize.cpp:123
#2  0x0000000000913406 in Gopher::gopherThread (this=0x2a959c7c98) at Gopher.cpp:58
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d12a0) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d12bc) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x45a08960 (LWP 22835)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d13e0) at Synchronize.cpp:123
#2  0x0000000000913406 in Gopher::gopherThread (this=0x2a959c7c60) at Gopher.cpp:58
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d13e0) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d13fc) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x46409960 (LWP 22836)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x000000000090225b in Synchronize::sleep (this=0x2a959d22e8) at Synchronize.cpp:123
#2  0x00000000008dfd84 in Scheduler::schedule (this=0x2a959cf9e8) at Scheduler.cpp:152
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d22e8) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d2304) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x46e0a960 (LWP 22837)):
#0  0x000000360d308b9f in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x0000000000902116 in Synchronize::sleep (this=0x2a959d9b70, milliseconds=<value optimized out>, callersMutex=0x0) at Synchronize.cpp:181
#2  0x00000000008dfd41 in Scheduler::schedule (this=0x2a959cfac8) at Scheduler.cpp:150
#3  0x000000000085ffe3 in Thread::thread (this=0x2a959d9b70) at Thread.cpp:167
#4  0x00000000008601a9 in Thread::thread (parameter=0x2a959d9b8c) at Thread.cpp:146
#5  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#6  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x4780b960 (LWP 22838)):
#0  0x000000360d3089aa in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/tls/libpthread.so.0
#1  0x0000000000a4fe43 in _ma_bitmap_flush_all (share=0x1aaf320) at ma_bitmap.c:356
#2  0x0000000000a77766 in really_execute_checkpoint () at ma_checkpoint.c:1048
#3  0x0000000000a77ef4 in ma_checkpoint_background (arg=<value optimized out>) at ma_checkpoint.c:132
#4  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#5  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x4784c960 (LWP 22839)):
#0  0x000000360d30c1bb in do_sigwait () from /lib64/tls/libpthread.so.0
#1  0x000000360d30c26d in sigwait () from /lib64/tls/libpthread.so.0
#2  0x0000000000648e4b in signal_hand (arg=<value optimized out>) at mysqld.cc:2878
#3  0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#4  0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x4788d960 (LWP 22850)):
#0  0x000000360d30adfb in __lll_mutex_lock_wait () from /lib64/tls/libpthread.so.0
#1  0x0000000000000001 in ?? ()
#2  0x000000000000000b in ?? ()
#3  0x000000360d307c07 in ?? () from /lib64/tls/libpthread.so.0
#4  0x000000050ce85cf9 in ?? ()
#5  0x000000050ce85d2a in ?? ()
#6  0x0000000000000003 in ?? ()
#7  0x000000002beee703 in ?? ()
#8  0x0000000000a1e968 in pagecache_unlock_by_link (pagecache=0x1aaf930, block=0x1aaf320, lock=PAGECACHE_LOCK_READ_UNLOCK, pin=28009498,
    first_REDO_LSN_for_page=3003604992, lsn=35, was_changed=1 '\001', any=0 '\0') at ma_pagecache.c:3013
#9  0x0000000000086745 in ?? ()
#10 0x0000000001aaf320 in ?? ()
#11 0x0000000001aaf930 in ?? ()
#12 0x00000000b3076000 in ?? ()
#13 0x0000000000a36dd8 in _ma_set_share_data_file_length (share=0x1abe5a0, new_length=0) at ma_state.c:550
#14 0x0000000000a46c62 in write_block_record (info=0x1ab1d40, old_record=0x0, record=0x1aaf150 "ÿ\002", row=0x1ab1d98, bitmap_blocks=0x1ab1d98,
    head_block_is_read=0 '\0', row_pos=0x4788af70, undo_lsn=1, old_record_checksum=0) at ma_blockrec.c:3018
#15 0x0000000000a47e8b in _ma_write_init_block_record (info=0x1ab1d40, record=0x1aaf150 "ÿ\002") at ma_blockrec.c:3396
#16 0x0000000000a52336 in maria_write (info=0x1ab1d40, record=0x1aaf150 "ÿ\002") at ma_write.c:151
#17 0x0000000000740783 in handler::ha_write_row (this=0x1aaef58, buf=0x1aaf150 "ÿ\002") at handler.cc:5354
#18 0x00000000006caf5d in write_record (thd=0x1a452c0, table=0x1aae6a0, info=0x1aa9b48) at sql_insert.cc:1610
#19 0x00000000006cb8b8 in select_insert::send_data (this=0x1aa9b10, values=<value optimized out>) at sql_insert.cc:3161
#20 0x00000000006a1341 in end_send (join=0x1ac4b28, join_tab=<value optimized out>, end_of_records=2) at sql_select.cc:14727
#21 0x00000000006b3a2c in evaluate_join_record (join=0x1ac4b28, join_tab=0x1ac6680, error=<value optimized out>) at sql_select.cc:13958
#22 0x00000000006b3c17 in sub_select (join=0x1ac4b28, join_tab=0x1ac6680, end_of_records=<value optimized out>) at sql_select.cc:13735
#23 0x00000000006b410d in do_select (join=0x1ac4b28, fields=0x1ac6540, table=0x0, procedure=0x0) at sql_select.cc:13455
#24 0x00000000006c6e62 in JOIN::exec (this=0x1ac4b28) at sql_select.cc:2829
#25 0x00000000006c2cce in mysql_select (thd=0x1a452c0, rref_pointer_array=0x1a47430, tables=<value optimized out>, wild_num=<value optimized out>,
    fields=<value optimized out>, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=0, result=0x1aa9b10,
    unit=0x1a46de8, select_lex=0x1a47248) at sql_select.cc:3019
#26 0x00000000006c875c in handle_select (thd=0x1a452c0, lex=0x1a46d48, result=0x1aa9b10, setup_tables_done_option=1073741824) at sql_select.cc:301
#27 0x000000000065df25 in mysql_execute_command (thd=0x1a452c0) at sql_parse.cc:3063
#28 0x000000000065e9df in mysql_parse (thd=0x1a452c0, inBuf=0x1aa8b08 "insert into t1 select * from t1", length=31, found_semicolon=0x4788d150)
    at sql_parse.cc:5634
#29 0x000000000065f65e in dispatch_command (command=COM_QUERY, thd=0x1a452c0, packet=0x1a99501 "insert into t1 select * from t1",
    packet_length=<value optimized out>) at sql_parse.cc:1009
#30 0x0000000000652a72 in handle_one_connection (arg=<value optimized out>) at sql_connect.cc:1156
#31 0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#32 0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#33 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x478ce960 (LWP 22883)):
#0  0x000000360d30adfb in __lll_mutex_lock_wait () from /lib64/tls/libpthread.so.0
#1  0x0000000000000001 in ?? ()
#2  0x000000000000000b in ?? ()
#3  0x000000360d307c07 in ?? () from /lib64/tls/libpthread.so.0
#4  0x000000360cc30620 in ?? () from /lib64/tls/libc.so.6
#5  0x0000000000000080 in ?? ()
#6  0x3e76978901afc8d0 in ?? ()
#7  0x0000000000aa8a34 in my_pthread_fastmutex_lock (mp=0x1) at thr_mutex.c:481
#8  0x0000000000a36e8c in _ma_setup_live_state (info=0x360ca6ac52) at ma_state.c:80
#9  0x0000000000a23e1d in ha_maria::external_lock (this=0x1ac83c8, thd=0x1af1dc0, lock_type=0) at ha_maria.cc:2205
#10 0x000000000073c1aa in handler::ha_external_lock (this=0x1aaf930, thd=0x0, lock_type=2) at handler.cc:5298
#11 0x00000000006422ab in mysql_lock_tables (thd=0x1af1dc0, tables=<value optimized out>, count=<value optimized out>, flags=<value optimized out>,
    need_reopen=0x478cbff7) at lock.cc:411
#12 0x000000000068d832 in lock_tables (thd=0x1af1dc0, tables=0x0, count=<value optimized out>, flags=0, need_reopen=0x478cbff7) at sql_base.cc:4465
#13 0x0000000000694295 in open_and_lock_tables_derived (thd=0x1af1dc0, tables=0x1afcfc0, derived=true, flags=0) at sql_base.cc:4166
#14 0x0000000000656b77 in execute_sqlcom_select (thd=0x1af1dc0, all_tables=0x1afcfc0) at mysql_priv.h:1620
#15 0x000000000065a9de in mysql_execute_command (thd=0x1af1dc0) at sql_parse.cc:2066
#16 0x000000000065e9df in mysql_parse (thd=0x1af1dc0, inBuf=0x1afcae8 "select count(*) from test.t1", length=28, found_semicolon=0x478ce150)
    at sql_parse.cc:5634
#17 0x000000000065f65e in dispatch_command (command=COM_QUERY, thd=0x1af1dc0, packet=0x1af4841 "select count(*) from test.t1",
    packet_length=<value optimized out>) at sql_parse.cc:1009
#18 0x0000000000652a72 in handle_one_connection (arg=<value optimized out>) at sql_connect.cc:1156
#19 0x000000360d30610a in start_thread () from /lib64/tls/libpthread.so.0
#20 0x000000360cac6003 in clone () from /lib64/tls/libc.so.6
#21 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x2a95682200 (LWP 22817)):
#0  0x000000360cabf0a6 in select () from /lib64/tls/libc.so.6
#1  0x000000000064da5f in handle_connections_sockets (arg=<value optimized out>) at mysqld.cc:5186
#2  0x000000000064e638 in main (argc=<value optimized out>, argv=<value optimized out>) at mysqld.cc:4694
#0  0x000000360cabf0a6 in select () from /lib64/tls/libc.so.6