(gdb) +thread apply all bt

Thread 48 (LWP 1531):
+bt
#0  0x000000340c4df253 in poll () from /lib64/libc.so.6
#1  0x0000000000629b5a in handle_connections_sockets () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:6243
#2  0x000000000063044d in mysqld_main (argc=48, argv=0x4c2d9c8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:5658
#3  0x000000340c41ecdd in __libc_start_main () from /lib64/libc.so.6
#4  0x000000000062256d in _start ()

Thread 47 (LWP 1533):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933edc0, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=0, message1=0x5a27d98, message2=0x5a27d90, type=0x5a27d88, space_id=0x5a27d80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 46 (LWP 1534):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933c980, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=1, message1=0x14427d98, message2=0x14427d90, type=0x14427d88, space_id=0x14427d80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 45 (LWP 1535):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933c570, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=2, message1=0x14e28d98, message2=0x14e28d90, type=0x14e28d88, space_id=0x14e28d80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=2) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 44 (LWP 1536):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933c570, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=3, message1=0x15829d98, message2=0x15829d90, type=0x15829d88, space_id=0x15829d80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=3) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 43 (LWP 1537):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933c570, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=4, message1=0x1622ad98, message2=0x1622ad90, type=0x1622ad88, space_id=0x1622ad80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 42 (LWP 1538):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x933c570, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=5, message1=0x16c2bd98, message2=0x16c2bd90, type=0x16c2bd88, space_id=0x16c2bd80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=5) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 41 (LWP 1539):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x9341200, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=6, message1=0x1762cd98, message2=0x1762cd90, type=0x1762cd88, space_id=0x1762cd80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=6) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 40 (LWP 1540):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x9341200, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=7, message1=0x1802dd98, message2=0x1802dd90, type=0x1802dd88, space_id=0x1802dd80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=7) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 39 (LWP 1541):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x9341200, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=8, message1=0x18a2ed98, message2=0x18a2ed90, type=0x18a2ed88, space_id=0x18a2ed80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 38 (LWP 1542):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x9341200, segment=<optimized out>, seg_size=256) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
#2  0x0000000000a60fd9 in os_aio_linux_handle (global_seg=9, message1=0x1942fd98, message2=0x1942fd90, type=0x1942fd88, space_id=0x1942fd80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
#3  0x0000000000baabd7 in fil_aio_wait (segment=9) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
#4  0x0000000000afac28 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 37 (LWP 1545):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66571 in os_cond_wait_timed (cond=<optimized out>, fast_mutex=<optimized out>, abstime=0x1ae30d10) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
#2  0x0000000000a66693 in os_event_wait_time_low (event=0x931ed30, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
#3  0x0000000000af5abf in srv_error_monitor_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2084
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 36 (LWP 1544):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66571 in os_cond_wait_timed (cond=<optimized out>, fast_mutex=<optimized out>, abstime=0x1b831d60) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
#2  0x0000000000a66693 in os_event_wait_time_low (event=0x12e220e0, time_in_usec=<optimized out>, reset_sig_count=29) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
#3  0x0000000000a46390 in lock_wait_timeout_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:503
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 35 (LWP 1546):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66571 in os_cond_wait_timed (cond=<optimized out>, fast_mutex=<optimized out>, abstime=0x1c232d30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
#2  0x0000000000a66693 in os_event_wait_time_low (event=0x931edf0, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
#3  0x0000000000af717d in srv_monitor_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:1822
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 34 (LWP 1547):
+bt
#0  0x000000340c4e14f3 in select () from /lib64/libc.so.6
#1  0x0000000000a66e5f in os_thread_sleep (tm=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0thread.cc:255
#2  0x0000000000af4c1c in srv_master_sleep () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2803
#3  0x0000000000af8555 in srv_master_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2847
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 33 (LWP 1548):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x931ec70, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000af43a0 in srv_purge_coordinator_suspend (slot=0x931e9b0, rseg_history_len=319) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:3140
#4  0x0000000000af4632 in srv_purge_coordinator_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:3257
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 32 (LWP 1549):
+bt
#0  0x000000340c4e14f3 in select () from /lib64/libc.so.6
#1  0x0000000000a66e5f in os_thread_sleep (tm=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0thread.cc:255
#2  0x0000000000b6d10a in buf_flush_page_cleaner_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/buf/buf0flu.cc:2418
#3  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#4  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 31 (LWP 1550):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x931eeb0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b6792c in buf_dump_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/buf/buf0dump.cc:594
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 30 (LWP 1551):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66571 in os_cond_wait_timed (cond=<optimized out>, fast_mutex=<optimized out>, abstime=0x1f437d70) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
#2  0x0000000000a66693 in os_event_wait_time_low (event=0x12e26c60, time_in_usec=<optimized out>, reset_sig_count=11) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
#3  0x0000000000ba2db2 in dict_stats_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats_bg.cc:349
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 29 (LWP 1552):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66571 in os_cond_wait_timed (cond=<optimized out>, fast_mutex=<optimized out>, abstime=0x1fe38cf0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
#2  0x0000000000a66693 in os_event_wait_time_low (event=0x139fb690, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
#3  0x0000000000b27ae0 in ib_wqueue_timedwait (wq=0x196804d8, wait_in_usecs=5000000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/ut/ut0wqueue.cc:154
#4  0x0000000000bd0bcc in fts_optimize_thread (arg=0x196804d8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fts/fts0opt.cc:2932
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 28 (LWP 1553):
+bt
#0  0x000000340cc0f2a5 in sigwait () from /lib64/libpthread.so.0
#1  0x0000000000628d5b in signal_hand (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:3159
#2  0x00000000009e4ce9 in pfs_spawn_thread (arg=0x196a6eb0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#3  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#4  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 27 (LWP 1554):
+bt
#0  0x000000340c4df253 in poll () from /lib64/libc.so.6
#1  0x0000000000c77584 in vio_io_wait (vio=<optimized out>, event=VIO_IO_EVENT_READ, timeout=28800000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:820
#2  0x0000000000c77913 in vio_socket_io_wait (vio=<optimized out>, event=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:68
#3  0x0000000000c7880f in vio_read (vio=0x19572dd0, buf=0x197b1dd0 "\a", size=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:123
#4  0x00000000006e194f in net_read_raw_loop (net=0x197ae320, count=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:663
#5  0x00000000006e1a60 in net_read_packet_header (net=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:745
#6  0x00000000006e25e4 in net_read_packet (net=0x197ae320, complen=0x198b1c98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
#7  0x00000000006e284c in my_net_read (net=0x197ae320) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
#8  0x000000000077d485 in do_command (thd=0x197ae0c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:983
#9  0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#10 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#11 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19573000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#12 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#13 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 26 (LWP 1558):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x19fb1ad8, mutex=0x19fb1aa8, abstime=0x198f0d50, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x19fb1aa8, owner=0x19fb1970, abs_timeout=0x198f0d50, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x19fb1aa8, mdl_request=0x1febcf48, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x19fb1970, ot_ctx=0x198f1410, mdl_request=0x1febcf48, flags=<optimized out>, mdl_ticket=0x198f1290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x19fb1970, table_list=0x1febcba8, ot_ctx=0x198f1410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x19fb1970, lex=0x19fb3d38, tables=0x1febcba8, counter=0x19fb3df0, flags=<optimized out>, prelocking_strategy=0x198f1500, has_prelocking_list=false, ot_ctx=0x198f1410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x19fb1970, start=0x198f14c8, counter=0x19fb3df0, flags=0, prelocking_strategy=0x198f1500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x19fb1970, tables=0x1ff3b668, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x19fb1970, all_tables=0x1ff3b668) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x19fb1a58) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x19fb1970, rawbuf=0x19fb1978 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x19fb1970, packet=<optimized out>, packet_length=536059563) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x19fb1970) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x197c1be0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 25 (LWP 1564):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x1948e4d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x1a053a00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19931d5c, trx=0x1a1cd388, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1ff67e20 "\377\377", mode=1, prebuilt=0x1a0531d8, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x1a0f5240, buf=0x1ff67e20 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x1a0f5240, buf=0x1ff67e20 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x1a0f5240, buf=0x1ff67e20 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x1a0f5240, buf=0x1ff67e20 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x19932370) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x00000000007e4ec2 in mysql_update (thd=0x2033bf40, table_list=0x203c5f98, fields=..., values=..., conds=0xca, order_num=429073552, order=0x1, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x19933268, updated_return=0x19933270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_update.cc:734
#12 0x0000000000777c5e in mysql_execute_command (thd=0x2033c028) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3511
#13 0x000000000077bc88 in mysql_parse (thd=0x2033bf40, rawbuf=0x2033bf48 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#14 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x2033bf40, packet=<optimized out>, packet_length=540827212) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x2033bf40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#16 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#17 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#18 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19562bc0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#19 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#20 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 24 (LWP 1566):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x203d4c08, mutex=0x203d4bd8, abstime=0x19972d50, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x203d4bd8, owner=0x203d4aa0, abs_timeout=0x19972d50, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x203d4bd8, mdl_request=0x204038f0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x203d4aa0, ot_ctx=0x19973410, mdl_request=0x204038f0, flags=<optimized out>, mdl_ticket=0x19973290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x203d4aa0, table_list=0x20403550, ot_ctx=0x19973410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x203d4aa0, lex=0x203d6e68, tables=0x20403550, counter=0x203d6f20, flags=<optimized out>, prelocking_strategy=0x19973500, has_prelocking_list=false, ot_ctx=0x19973410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x203d4aa0, start=0x199734c8, counter=0x203d6f20, flags=0, prelocking_strategy=0x19973500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x203d4aa0, tables=0x20402f90, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x203d4aa0, all_tables=0x20402f90) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x203d4b88) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x203d4aa0, rawbuf=0x203d4aa8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x203d4aa0, packet=<optimized out>, packet_length=541076655) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x203d4aa0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19726c80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 23 (LWP 1568):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x2045ba98, mutex=0x2045ba68, abstime=0x199b3650, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x2045ba68, owner=0x2045b930, abs_timeout=0x199b3650, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x2045ba68, mdl_request=0x204751b8, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x2045b930, ot_ctx=0x199b3d10, mdl_request=0x204751b8, flags=<optimized out>, mdl_ticket=0x199b3b90) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x2045b930, table_list=0x20474e18, ot_ctx=0x199b3d10) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x2045b930, lex=0x2045dcf8, tables=0x20474e18, counter=0x2045ddb0, flags=<optimized out>, prelocking_strategy=0x199b3e00, has_prelocking_list=false, ot_ctx=0x199b3d10) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x2045b930, start=0x199b3dc8, counter=0x2045ddb0, flags=0, prelocking_strategy=0x199b3e00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x2045b930, tables=0x20474e18, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x00000000008c8c0e in mysql_delete (thd=0x2045b930, table_list=0x20474e18, conds=0x20475a30, order_list=0x2045e5d0, limit=3, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:72
#10 0x0000000000776f98 in mysql_execute_command (thd=0x2045ba18) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#11 0x000000000077bc88 in mysql_parse (thd=0x2045b930, rawbuf=0x2045b938 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x2045b930, packet=<optimized out>, packet_length=541543717) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x2045b930) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x197601c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 22 (LWP 1570):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x2071ea80, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x194b4530) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x199f4c1c, trx=0x207dc2f8, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x8ee53d0 "\377\377", mode=1, prebuilt=0x194b3d08, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x4c2f3b0, buf=0x8ee53d0 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x4c2f3b0, buf=0x8ee53d0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x4c2f3b0, buf=0x8ee53d0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x4c2f3b0, buf=0x8ee53d0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x199f5430) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x00000000008c9b16 in mysql_delete (thd=0x20457100, table_list=0x2046b030, conds=0x2046b7a8, order_list=<optimized out>, limit=1, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:354
#12 0x0000000000776f98 in mysql_execute_command (thd=0x204571e8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#13 0x000000000077bc88 in mysql_parse (thd=0x20457100, rawbuf=0x20457108 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#14 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x20457100, packet=<optimized out>, packet_length=541503291) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x20457100) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#16 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#17 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#18 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x1974fea0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#19 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#20 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 21 (LWP 1572):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x19fbfb60, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x1a1ca7b0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19a35d5c, trx=0x2092f3b8, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x205ab8e0 "\377\377", mode=1, prebuilt=0x1a1c9f88, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x205a9b70, buf=0x205ab8e0 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x205a9b70, buf=0x205ab8e0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x205a9b70, buf=0x205ab8e0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x205a9b70, buf=0x205ab8e0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x19a36370) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x00000000007e4ec2 in mysql_update (thd=0x1a11fd30, table_list=0x1a116ce8, fields=..., values=..., conds=0xca, order_num=430138512, order=0x1, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x19a37268, updated_return=0x19a37270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_update.cc:734
#12 0x0000000000777c5e in mysql_execute_command (thd=0x1a11fe18) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3511
#13 0x000000000077bc88 in mysql_parse (thd=0x1a11fd30, rawbuf=0x1a11fd38 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#14 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1a11fd30, packet=<optimized out>, packet_length=437349294) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x1a11fd30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#16 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#17 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#18 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19f5a3e0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#19 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#20 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 20 (LWP 1574):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x1a30bad0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x203e5ef0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19a7660c, trx=0x202558e8, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1a0dcc10 "", mode=1, prebuilt=0x203e56c8, match_mode=0, direction=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a08fea in ha_innobase::general_fetch (this=0x206069c0, buf=0x1a0dcc10 "", direction=1, match_mode=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8124
#7  0x0000000000a092e2 in ha_innobase::rnd_next (this=0x206069c0, buf=0x1a0dcc10 "") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8350
#8  0x000000000063c10a in handler::ha_rnd_next (this=0x206069c0, buf=0x1a0dcc10 "") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#9  0x0000000000873446 in find_all_keys (param=0x19a76bb0, select=0x20131118, fs_info=0x19a76c30, buffpek_pointers=0x19a76970, tempfile=0x19a76a90, pq=0x0, found_rows=0x19a77548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:768
#10 0x0000000000874beb in filesort (thd=0x2053f180, table=0x2041cd20, filesort=<optimized out>, sort_positions=<optimized out>, examined_rows=0x19a77550, found_rows=0x19a77548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:340
#11 0x00000000008c9994 in mysql_delete (thd=0x2053f180, table_list=0x203d9520, conds=0x203d9ca8, order_list=<optimized out>, limit=2, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:302
#12 0x0000000000776f98 in mysql_execute_command (thd=0x2053f268) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#13 0x000000000077bc88 in mysql_parse (thd=0x2053f180, rawbuf=0x2053f188 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#14 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x2053f180, packet=<optimized out>, packet_length=540906306) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x2053f180) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#16 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#17 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#18 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x204779e0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#19 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#20 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 19 (LWP 1576):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x20917110, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x1a2f2820) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19ab759c, trx=0x20876e58, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1a2e8440 "\367\377", mode=1, prebuilt=0x1a2f1ff8, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x20700100, buf=0x1a2e8440 "\367\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x20700100, buf=0x1a2e8440 "\367\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x20700100, buf=0x1a2e8440 "\367\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x20700100, buf=0x1a2e8440 "\367\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x0000000000873446 in find_all_keys (param=0x19ab7bb0, select=0x202342e0, fs_info=0x19ab7c30, buffpek_pointers=0x19ab7970, tempfile=0x19ab7a90, pq=0x0, found_rows=0x19ab8548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:768
#11 0x0000000000874beb in filesort (thd=0x1a425170, table=0x19f20ee0, filesort=<optimized out>, sort_positions=<optimized out>, examined_rows=0x19ab8550, found_rows=0x19ab8548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:340
#12 0x00000000008c9994 in mysql_delete (thd=0x1a425170, table_list=0x20339270, conds=0x203399c8, order_list=<optimized out>, limit=2, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:302
#13 0x0000000000776f98 in mysql_execute_command (thd=0x1a425258) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#14 0x000000000077bc88 in mysql_parse (thd=0x1a425170, rawbuf=0x1a425178 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#15 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1a425170, packet=<optimized out>, packet_length=540250297) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#16 0x000000000077d4f5 in do_command (thd=0x1a425170) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#17 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#18 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#19 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x196d9080) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#20 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#21 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 18 (LWP 1578):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x20398228, mutex=0x203981f8, abstime=0x19af9070, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x203981f8, owner=0x203980c0, abs_timeout=0x19af9070, set_status_on_timeout=false, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006def59 in MDL_context::acquire_lock (this=0x203981f8, mdl_request=0x204d4540, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2229
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x203981f8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
#5  0x00000000007233b6 in lock_table_names (thd=0x203980c0, tables_start=0x204d41a0, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
#6  0x0000000000728058 in open_tables (thd=0x203980c0, start=0x19af9558, counter=0x19af956c, flags=0, prelocking_strategy=0x19af9560) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007747ac in lock_tables_open_and_lock_tables (thd=0x203980c0, tables=0x204d41a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2341
#8  0x00000000007791a1 in mysql_execute_command (thd=0x203980c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4001
#9  0x000000000077bc88 in mysql_parse (thd=0x203980c0, rawbuf=0x203980c8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#10 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x203980c0, packet=<optimized out>, packet_length=541933737) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#11 0x000000000077d4f5 in do_command (thd=0x203980c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#12 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#13 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#14 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x195fece0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#15 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#16 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 17 (LWP 1580):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x19f04430, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x1a0bf390) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19b3959c, trx=0x20710f28, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1ffdaa20 '\217' <repeats 4096 times>..., mode=1, prebuilt=0x1a0beb68, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x1a0d08f0, buf=0x1ffdaa20 '\217' <repeats 4096 times>..., key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x1a0d08f0, buf=0x1ffdaa20 '\217' <repeats 4096 times>...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x1a0d08f0, buf=0x1ffdaa20 '\217' <repeats 4096 times>...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x1a0d08f0, buf=0x1ffdaa20 '\217' <repeats 4096 times>...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x0000000000873446 in find_all_keys (param=0x19b39bb0, select=0x20208bd0, fs_info=0x19b39c30, buffpek_pointers=0x19b39970, tempfile=0x19b39a90, pq=0x0, found_rows=0x19b3a548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:768
#11 0x0000000000874beb in filesort (thd=0x204d06a0, table=0x1a0543a0, filesort=<optimized out>, sort_positions=<optimized out>, examined_rows=0x19b3a550, found_rows=0x19b3a548) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:340
#12 0x00000000008c9994 in mysql_delete (thd=0x204d06a0, table_list=0x20207dd8, conds=0x202086e8, order_list=<optimized out>, limit=18446744073709551615, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:302
#13 0x0000000000776f98 in mysql_execute_command (thd=0x204d0788) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#14 0x000000000077bc88 in mysql_parse (thd=0x204d06a0, rawbuf=0x204d06a8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#15 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x204d06a0, packet=<optimized out>, packet_length=538999996) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#16 0x000000000077d4f5 in do_command (thd=0x204d06a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#17 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#18 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#19 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x196a64f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#20 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#21 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 16 (LWP 1582):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x200ea2a0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x19675230) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x19b7ac8c, trx=0x8ee8558, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1a05c550 "\377\377", mode=1, prebuilt=0x19674a08, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x19fa5650, buf=0x1a05c550 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x19fa5650, buf=0x1a05c550 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x000000000063ab90 in handler::ha_index_first (this=0x19fa5650, buf=0x1a05c550 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2841
#9  0x00000000008b9adc in rr_index_first (info=0x19b7b430) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:394
#10 0x00000000008c9b16 in mysql_delete (thd=0x1957d830, table_list=0x20733978, conds=0x207348f8, order_list=<optimized out>, limit=1, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:354
#11 0x0000000000776f98 in mysql_execute_command (thd=0x1957d918) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#12 0x000000000077bc88 in mysql_parse (thd=0x1957d830, rawbuf=0x1957d838 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#13 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1957d830, packet=<optimized out>, packet_length=544421852) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#14 0x000000000077d4f5 in do_command (thd=0x1957d830) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#15 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#16 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#17 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19727c00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#18 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#19 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 15 (LWP 1584):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x204a91b8, mutex=0x204a9188, abstime=0x19bbbd50, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x204a9188, owner=0x204a9050, abs_timeout=0x19bbbd50, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x204a9188, mdl_request=0x207d6ac8, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x204a9050, ot_ctx=0x19bbc410, mdl_request=0x207d6ac8, flags=<optimized out>, mdl_ticket=0x19bbc290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x204a9050, table_list=0x207d6728, ot_ctx=0x19bbc410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x204a9050, lex=0x204ab418, tables=0x207d6728, counter=0x204ab4d0, flags=<optimized out>, prelocking_strategy=0x19bbc500, has_prelocking_list=false, ot_ctx=0x19bbc410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x204a9050, start=0x19bbc4c8, counter=0x204ab4d0, flags=0, prelocking_strategy=0x19bbc500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x204a9050, tables=0x207d6728, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x204a9050, all_tables=0x207d6728) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x204a9138) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x204a9050, rawbuf=0x204a9058 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x204a9050, packet=<optimized out>, packet_length=545088656) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x204a9050) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x20735dd0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 14 (LWP 1587):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x2077f918, mutex=0x2077f8e8, abstime=0x19bfcf80, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x2077f8e8, owner=0x2077f7b0, abs_timeout=0x19bfcf80, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x000000000080ccac in TABLE_SHARE::wait_for_old_version (this=0x196155a0, thd=0x2077f7b0, abstime=0x19bfcf80, deadlock_weight=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/table.cc:3580
#4  0x0000000000722cc4 in tdc_wait_for_old_version (thd=0x2077f7b0, db=<optimized out>, table_name=0x20064088 "C", wait_timeout=<optimized out>, deadlock_weight=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2565
#5  0x0000000000726669 in open_table (thd=0x2077f7b0, table_list=0x200640d0, ot_ctx=0x19bfd410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:3044
#6  0x0000000000727bf1 in open_and_process_table (thd=0x2077f7b0, lex=0x20781b78, tables=0x200640d0, counter=0x20781c30, flags=<optimized out>, prelocking_strategy=0x19bfd500, has_prelocking_list=false, ot_ctx=0x19bfd410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x2077f7b0, start=0x19bfd4c8, counter=0x20781c30, flags=0, prelocking_strategy=0x19bfd500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x2077f7b0, tables=0x200640d0, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x2077f7b0, all_tables=0x200640d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x2077f898) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x2077f7b0, rawbuf=0x2077f7b8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x2077f7b0, packet=<optimized out>, packet_length=537277306) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x2077f7b0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19fb7860) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 13 (LWP 1589):
+bt
#0  0x000000340cc0c69c in pthread_kill () from /lib64/libpthread.so.0
#1  0x00000000006ecc9d in handle_fatal_signal (sig=11) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/signal_handler.cc:251
#2  <signal handler called>
#3  mysql_delete (thd=0x203ed8c0, table_list=0x207d4610, conds=0x0, order_list=<optimized out>, limit=1, options=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_delete.cc:209
#4  0x0000000000776f98 in mysql_execute_command (thd=0x203ed9a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3773
#5  0x000000000077bc88 in mysql_parse (thd=0x203ed8c0, rawbuf=0x203ed8c8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#6  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x203ed8c0, packet=<optimized out>, packet_length=545080353) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#7  0x000000000077d4f5 in do_command (thd=0x203ed8c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#8  0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#9  0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#10 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2033bed0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#11 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#12 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 12 (LWP 1594):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x208ac238, mutex=0x208ac208, abstime=0x212b8d50, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x208ac208, owner=0x208ac0d0, abs_timeout=0x212b8d50, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x208ac208, mdl_request=0x2087f150, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x208ac0d0, ot_ctx=0x212b9410, mdl_request=0x2087f150, flags=<optimized out>, mdl_ticket=0x212b9290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x208ac0d0, table_list=0x2087edb0, ot_ctx=0x212b9410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x208ac0d0, lex=0x208ae498, tables=0x2087edb0, counter=0x208ae550, flags=<optimized out>, prelocking_strategy=0x212b9500, has_prelocking_list=false, ot_ctx=0x212b9410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x208ac0d0, start=0x212b94c8, counter=0x208ae550, flags=0, prelocking_strategy=0x212b9500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x208ac0d0, tables=0x2087edb0, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x208ac0d0, all_tables=0x2087edb0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x208ac1b8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x208ac0d0, rawbuf=0x208ac0d8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x208ac0d0, packet=<optimized out>, packet_length=545778313) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x208ac0d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2084d700) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 11 (LWP 1596):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x204f7f40, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x202ac4f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x212f96dc, trx=0x139e7208, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1a387560 "", mode=1, prebuilt=0x202abcc8, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x2008b040, buf=0x1a387560 "", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x2008b040, buf=0x1a387560 "") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x2008b040, buf=0x1a387560 "") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x2008b040, buf=0x1a387560 "") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x0000000000873446 in find_all_keys (param=0x212f9cf0, select=0x0, fs_info=0x212f9d70, buffpek_pointers=0x212f9ab0, tempfile=0x212f9bd0, pq=0x212f9de0, found_rows=0x212fa530) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:768
#11 0x0000000000874beb in filesort (thd=0x208b3640, table=0x203a9470, filesort=<optimized out>, sort_positions=<optimized out>, examined_rows=0x212fa538, found_rows=0x212fa530) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/filesort.cc:340
#12 0x00000000007e4c2f in mysql_update (thd=0x208b3640, table_list=0x2038cff0, fields=..., values=..., conds=0xca, order_num=556770448, order=0x2038d890, limit=8, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x212fb268, updated_return=0x212fb270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_update.cc:571
#13 0x0000000000777c5e in mysql_execute_command (thd=0x208b3728) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3511
#14 0x000000000077bc88 in mysql_parse (thd=0x208b3640, rawbuf=0x208b3648 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#15 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x208b3640, packet=<optimized out>, packet_length=540593705) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#16 0x000000000077d4f5 in do_command (thd=0x208b3640) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#17 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#18 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#19 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x20790cb0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#20 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#21 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 10 (LWP 1599):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x19fdbf00, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x20161c50) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x2133aefc, trx=0x195ffa48, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x19f098a0 "\377\377", mode=1, prebuilt=0x20161428, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x197fe0c0, buf=0x19f098a0 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x197fe0c0, buf=0x19f098a0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x197fe0c0, buf=0x19f098a0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x197fe0c0, buf=0x19f098a0 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x194b50e8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x0000000000754e3d in sub_select (join=0x20926aa8, join_tab=0x194b5058, end_of_records=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1252
#12 0x0000000000755fc3 in do_select (join=0x20926aa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#13 0x00000000007566e8 in JOIN::exec (this=0x20926aa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#14 0x000000000079f668 in mysql_execute_select (thd=0x1a30dfd0, select_lex=0x1a310aa8, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#15 0x000000000079fdc4 in mysql_select (thd=0x1a30dfd0, tables=0x20925db0, wild_num=0, fields=..., conds=<optimized out>, order=0x1a310c70, group=0x1a310ba8, having=0x0, select_options=2149353984, result=0x20926a80, unit=0x1a310460, select_lex=0x1a310aa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#16 0x000000000079ff78 in handle_select (thd=0x1a30dfd0, result=0x20926a80, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#17 0x000000000077449d in execute_sqlcom_select (thd=0x1a30dfd0, all_tables=0x20925db0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
#18 0x0000000000777b6e in mysql_execute_command (thd=0x1a30e0b8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#19 0x000000000077bc88 in mysql_parse (thd=0x1a30dfd0, rawbuf=0x1a30dfd8 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#20 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1a30dfd0, packet=<optimized out>, packet_length=546462456) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x1a30dfd0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#22 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#23 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#24 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2073a0a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#25 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#26 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 9 (LWP 1600):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x19559030, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x19f876f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x2137befc, trx=0x19830458, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x197f8a80 "\377\377", mode=1, prebuilt=0x19f86ec8, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x196c2f30, buf=0x197f8a80 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x196c2f30, buf=0x197f8a80 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x196c2f30, buf=0x197f8a80 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x196c2f30, buf=0x197f8a80 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x200daee8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x0000000000754e3d in sub_select (join=0x20928d58, join_tab=0x200dae58, end_of_records=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1252
#12 0x0000000000755fc3 in do_select (join=0x20928d58) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#13 0x00000000007566e8 in JOIN::exec (this=0x20928d58) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#14 0x000000000079f668 in mysql_execute_select (thd=0x20504250, select_lex=0x20506d28, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#15 0x000000000079fdc4 in mysql_select (thd=0x20504250, tables=0x20928068, wild_num=0, fields=..., conds=<optimized out>, order=0x20506ef0, group=0x20506e28, having=0x0, select_options=2149321216, result=0x20928d30, unit=0x205066e0, select_lex=0x20506d28) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#16 0x000000000079ff78 in handle_select (thd=0x20504250, result=0x20928d30, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#17 0x000000000077449d in execute_sqlcom_select (thd=0x20504250, all_tables=0x20928068) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
#18 0x0000000000777b6e in mysql_execute_command (thd=0x20504338) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#19 0x000000000077bc88 in mysql_parse (thd=0x20504250, rawbuf=0x20504258 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#20 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x20504250, packet=<optimized out>, packet_length=546471355) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x20504250) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#22 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#23 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#24 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x20846270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#25 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#26 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 8 (LWP 1602):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x2090c8e8, mutex=0x2090c8b8, abstime=0x213bd4f0, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x2090c8b8, owner=0x2090c780, abs_timeout=0x213bd4f0, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x000000000080ccac in TABLE_SHARE::wait_for_old_version (this=0x1a42aae0, thd=0x2090c780, abstime=0x213bd4f0, deadlock_weight=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/table.cc:3580
#4  0x0000000000728e8b in close_cached_tables (thd=0x2090c780, tables=0x0, wait_for_refresh=<optimized out>, timeout=31536000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:1040
#5  0x0000000000790a1a in reload_acl_and_cache (thd=0x2090c780, options=4, tables=0x0, write_to_binlog=0x213be270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_reload.cc:275
#6  0x000000000077660c in mysql_execute_command (thd=0x2090c868) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4407
#7  0x000000000077bc88 in mysql_parse (thd=0x2090c780, rawbuf=0x2090c788 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#8  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x2090c780, packet=<optimized out>, packet_length=538298844) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#9  0x000000000077d4f5 in do_command (thd=0x2090c780) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#10 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#11 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#12 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2050b440) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#13 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#14 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 7 (LWP 1605):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x1979d3d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x1a12db98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x213fdfdc, trx=0x1ffa8c48, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000ac3352 in row_insert_for_mysql (mysql_rec=<optimized out>, prebuilt=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:1325
#6  0x0000000000a0a0b8 in ha_innobase::write_row (this=0x204d65b0, record=0x1ff77dd0 "\337\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:6921
#7  0x000000000063ef48 in handler::ha_write_row (this=0x204d65b0, buf=0x1ff77dd0 "\337\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:7419
#8  0x000000000075d06c in write_record (thd=0x200fc620, table=0x1a10cc50, info=0x213fe430, update=0x213fe3b0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:1889
#9  0x0000000000761c47 in mysql_insert (thd=0x200fc620, table_list=0x20847040, fields=..., values_list=..., update_fields=..., update_values=..., duplic=DUP_ERROR, ignore=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:1027
#10 0x0000000000779307 in mysql_execute_command (thd=0x200fc620) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3647
#11 0x000000000077bc88 in mysql_parse (thd=0x200fc620, rawbuf=0x200fc628 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x200fc620, packet=<optimized out>, packet_length=545550170) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x200fc620) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x20126460) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 6 (LWP 1606):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x20158468, mutex=0x20158438, abstime=0x2143ef80, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x20158438, owner=0x20158300, abs_timeout=0x2143ef80, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x000000000080ccac in TABLE_SHARE::wait_for_old_version (this=0x205a4490, thd=0x20158300, abstime=0x2143ef80, deadlock_weight=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/table.cc:3580
#4  0x0000000000722cc4 in tdc_wait_for_old_version (thd=0x20158300, db=<optimized out>, table_name=0x196773c8 "A", wait_timeout=<optimized out>, deadlock_weight=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2565
#5  0x0000000000726669 in open_table (thd=0x20158300, table_list=0x19677410, ot_ctx=0x2143f410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:3044
#6  0x0000000000727bf1 in open_and_process_table (thd=0x20158300, lex=0x2015a6c8, tables=0x19677410, counter=0x2015a780, flags=<optimized out>, prelocking_strategy=0x2143f500, has_prelocking_list=false, ot_ctx=0x2143f410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x20158300, start=0x2143f4c8, counter=0x2015a780, flags=0, prelocking_strategy=0x2143f500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x20158300, tables=0x19677410, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x20158300, all_tables=0x19677410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x201583e8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x20158300, rawbuf=0x20158308 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x20158300, packet=<optimized out>, packet_length=426209589) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x20158300) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19452250) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 5 (LWP 1607):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x1a01bb80, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x20ea1120) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x2147fd5c, trx=0x1962d9d8, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000adcdef in row_search_for_mysql (buf=0x1feffb50 "\377\377", mode=1, prebuilt=0x20ea08f8, match_mode=0, direction=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:5034
#6  0x0000000000a096d1 in ha_innobase::index_read (this=0x202e9f70, buf=0x1feffb50 "\377\377", key_ptr=0x0, key_len=0, find_flag=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:7848
#7  0x00000000009ff4f0 in ha_innobase::index_first (this=0x202e9f70, buf=0x1feffb50 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8245
#8  0x0000000000a0928f in ha_innobase::rnd_next (this=0x202e9f70, buf=0x1feffb50 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8342
#9  0x000000000063c10a in handler::ha_rnd_next (this=0x202e9f70, buf=0x1feffb50 "\377\377") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#10 0x00000000008b8b4c in rr_sequential (info=0x21480370) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#11 0x00000000007e4ec2 in mysql_update (thd=0x13a08360, table_list=0x19588618, fields=..., values=..., conds=0xca, order_num=558367888, order=0x1, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x21481268, updated_return=0x21481270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_update.cc:734
#12 0x0000000000777c5e in mysql_execute_command (thd=0x13a08448) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3511
#13 0x000000000077bc88 in mysql_parse (thd=0x13a08360, rawbuf=0x13a08368 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#14 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x13a08360, packet=<optimized out>, packet_length=425231629) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x13a08360) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#16 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#17 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#18 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x201475f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#19 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#20 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 4 (LWP 1608):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66773 in os_cond_wait (cond=<optimized out>, fast_mutex=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
#2  0x0000000000a6683b in os_event_wait_low (event=0x19484100, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000a46c82 in lock_wait_suspend_thread (thr=0x19f9ae28) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:322
#4  0x0000000000abf497 in row_mysql_handle_errors (new_err=0x214c0e0c, trx=0x1ffe4738, thr=<optimized out>, savept=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:631
#5  0x0000000000ac3352 in row_insert_for_mysql (mysql_rec=<optimized out>, prebuilt=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:1325
#6  0x0000000000a0a0b8 in ha_innobase::write_row (this=0x1a2582e0, record=0x2031c130 "\327\377\033") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:6921
#7  0x000000000063ef48 in handler::ha_write_row (this=0x1a2582e0, buf=0x2031c130 "\327\377\033") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:7419
#8  0x000000000075d06c in write_record (thd=0x194cf540, table=0x1a0cf650, info=0x196a8d48, update=0x196a8dc0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:1889
#9  0x000000000075d9ff in select_insert::send_data (this=0x196a8d00, values=...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:3674
#10 0x000000000074fa60 in end_send (join=0x196a8e40, join_tab=0x2041b218, end_of_records=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:2774
#11 0x0000000000751b66 in evaluate_join_record (join=0x196a8e40, join_tab=0x2041af18) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1597
#12 0x0000000000754ed1 in sub_select (join=0x196a8e40, join_tab=0x2041af18, end_of_records=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1272
#13 0x0000000000755fc3 in do_select (join=0x196a8e40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#14 0x00000000007566e8 in JOIN::exec (this=0x196a8e40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#15 0x000000000079f668 in mysql_execute_select (thd=0x194cf540, select_lex=0x194d2018, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#16 0x000000000079fdc4 in mysql_select (thd=0x194cf540, tables=0x196a8380, wild_num=0, fields=..., conds=<optimized out>, order=0x194d21e0, group=0x194d2118, having=0x0, select_options=3491498496, result=0x196a8d00, unit=0x194d19d0, select_lex=0x194d2018) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#17 0x000000000079ff78 in handle_select (thd=0x194cf540, result=0x196a8d00, setup_tables_done_option=1073741824) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077b283 in mysql_execute_command (thd=0x194cf628) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3727
#19 0x000000000077bc88 in mysql_parse (thd=0x194cf540, rawbuf=0x194cf548 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#20 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x194cf540, packet=<optimized out>, packet_length=426407839) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x194cf540) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#22 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#23 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#24 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x194550f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#25 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#26 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 3 (LWP 1609):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x194bdea8, mutex=0x194bde78, abstime=0x21501fd0, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x194bde78, owner=0x194bdd40, abs_timeout=0x21501fd0, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x000000000080ccac in TABLE_SHARE::wait_for_old_version (this=0x196155a0, thd=0x194bdd40, abstime=0x21501fd0, deadlock_weight=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/table.cc:3580
#4  0x0000000000722cc4 in tdc_wait_for_old_version (thd=0x194bdd40, db=<optimized out>, table_name=0x196efe98 "C", wait_timeout=<optimized out>, deadlock_weight=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2565
#5  0x0000000000726669 in open_table (thd=0x194bdd40, table_list=0x196efed0, ot_ctx=0x21502460) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:3044
#6  0x0000000000727bf1 in open_and_process_table (thd=0x194bdd40, lex=0x194c0108, tables=0x196efed0, counter=0x194c01c0, flags=<optimized out>, prelocking_strategy=0x21502550, has_prelocking_list=false, ot_ctx=0x21502460) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x194bdd40, start=0x21502518, counter=0x194c01c0, flags=0, prelocking_strategy=0x21502550) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x194bdd40, tables=0x196efed0, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x0000000000776e15 in mysql_execute_command (thd=0x194bde28) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3705
#10 0x000000000077bc88 in mysql_parse (thd=0x194bdd40, rawbuf=0x194bdd48 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#11 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x194bdd40, packet=<optimized out>, packet_length=426703288) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#12 0x000000000077d4f5 in do_command (thd=0x194bdd40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#13 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#14 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#15 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x933a810) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 2 (LWP 1610):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x194c1868, mutex=0x194c1838, abstime=0x21542d50, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
#2  0x00000000006dd715 in MDL_wait::timed_wait (this=0x194c1838, owner=0x194c1700, abs_timeout=0x21542d50, set_status_on_timeout=true, wait_state_name=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
#3  0x00000000006dee2f in MDL_context::acquire_lock (this=0x194c1838, mdl_request=0x19e663f0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x0000000000721b09 in open_table_get_mdl_lock (thd=0x194c1700, ot_ctx=0x21543410, mdl_request=0x19e663f0, flags=<optimized out>, mdl_ticket=0x21543290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
#5  0x000000000072640a in open_table (thd=0x194c1700, table_list=0x19e66050, ot_ctx=0x21543410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
#6  0x0000000000727bf1 in open_and_process_table (thd=0x194c1700, lex=0x194c3ac8, tables=0x19e66050, counter=0x194c3b80, flags=<optimized out>, prelocking_strategy=0x21543500, has_prelocking_list=false, ot_ctx=0x21543410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
#7  0x0000000000727f62 in open_tables (thd=0x194c1700, start=0x215434c8, counter=0x194c3b80, flags=0, prelocking_strategy=0x21543500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
#8  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x194c1700, tables=0x19e66050, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#9  0x000000000077439b in execute_sqlcom_select (thd=0x194c1700, all_tables=0x19e66050) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
#10 0x0000000000777b6e in mysql_execute_command (thd=0x194c17e8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#11 0x000000000077bc88 in mysql_parse (thd=0x194c1700, rawbuf=0x194c1708 "\340cA\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
#12 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x194c1700, packet=<optimized out>, packet_length=434527216) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#13 0x000000000077d4f5 in do_command (thd=0x194c1700) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#14 0x0000000000746ecf in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
#15 0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#16 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x194bcc30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 1 (LWP 1611):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000626d70 in inline_mysql_cond_wait (that=0x15465c0 <COND_thread_cache>, mutex=0x1544640 <LOCK_thread_count>, src_file=<optimized out>, src_line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
#2  0x000000000062d8d7 in block_until_new_connection () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
#3  0x000000000062dbbd in one_thread_per_connection_end (thd=0x1fe90440, block_pthread=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
#4  0x0000000000746e6e in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
#5  0x0000000000746f90 in handle_one_connection (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
#6  0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19eb6f30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
(gdb) +set logging off