(gdb) +thread apply all bt

Thread 88 (LWP 14611):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=26, native_events=0x7f827ad7fa90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151dc00 <all_groups+3072>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f827ad82c60, thread_group=0x151dc00 <all_groups+3072>, abstime=0x7f827ad82d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151dc00 <all_groups+3072>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f8198069f50) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 87 (LWP 14099):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278650d60, mutex=0x151d000 <all_groups>, that=0x7f8278650c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278650c60, thread_group=0x151d000 <all_groups>, abstime=0x7f8278650d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81900b4890) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 86 (LWP 14561):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=23, native_events=0x7f827abf9a90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151d600 <all_groups+1536>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f827abfcc60, thread_group=0x151d600 <all_groups+1536>, abstime=0x7f827abfcd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151d600 <all_groups+1536>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81781a1230) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 85 (LWP 13133):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385cb0, cond=0x3385cf0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385cb0, reset_sig_count=1898) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 84 (LWP 14556):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=24, native_events=0x7f827aab4a90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151d800 <all_groups+2048>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f827aab7c60, thread_group=0x151d800 <all_groups+2048>, abstime=0x7f827aab7d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151d800 <all_groups+2048>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x3a8b210) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 83 (LWP 12934):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=0, array=0x33abd80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=1, message1=0x7f828084ed98, message2=0x7f828084ed90, type=0x7f828084ed88, space_id=0x7f828084ed80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 82 (LWP 14579):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278489d60, mutex=0x151d600 <all_groups+1536>, that=0x7f8278489c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278489c60, thread_group=0x151d600 <all_groups+1536>, abstime=0x7f8278489d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d600 <all_groups+1536>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81780baca0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 81 (LWP 13146):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386250, cond=0x3386290) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386250, reset_sig_count=139) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 80 (LWP 12933):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=0, array=0x33b9820) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=0, message1=0x7f82929a8d98, message2=0x7f82929a8d90, type=0x7f82929a8d88, space_id=0x7f82929a8d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 79 (LWP 13141):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33862e0, cond=0x3386320) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33862e0, reset_sig_count=132) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 78 (LWP 13137):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386b50, cond=0x3386b90) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386b50, reset_sig_count=19) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 77 (LWP 13121):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a7271b in os_cond_wait_timed (abstime=0x7f827a822d00, fast_mutex=0x399fa80, cond=0x399fac0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x399fa80, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:723
#3  0x0000000000a50051 in lock_wait_timeout_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/lock/lock0wait.cc:503
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 76 (LWP 13136):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385dd0, cond=0x3385e10) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385dd0, reset_sig_count=842) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 75 (LWP 12940):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=1, array=0x33c72e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=7, message1=0x7f827cc48d98, message2=0x7f827cc48d90, type=0x7f827cc48d88, space_id=0x7f827cc48d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=7) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 74 (LWP 12938):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=3, array=0x3384500) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=5, message1=0x7f827e04ad98, message2=0x7f827e04ad90, type=0x7f827e04ad88, space_id=0x7f827e04ad80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=5) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 73 (LWP 14613):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=27, native_events=0x7f827ac7ba90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151de00 <all_groups+3584>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f827ac7ec60, thread_group=0x151de00 <all_groups+3584>, abstime=0x7f827ac7ed60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151de00 <all_groups+3584>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f818c006620) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 72 (LWP 14246):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278713d60, mutex=0x151d200 <all_groups+512>, that=0x7f8278713c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278713c60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f8278713d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81b8056e30) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 71 (LWP 14095):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827850bd60, mutex=0x151d000 <all_groups>, that=0x7f827850bc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827850bc60, thread_group=0x151d000 <all_groups>, abstime=0x7f827850bd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81b40b5620) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 70 (LWP 14194):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827abbbd60, mutex=0x151e200 <all_groups+4608>, that=0x7f827abbbc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827abbbc60, thread_group=0x151e200 <all_groups+4608>, abstime=0x7f827abbbd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151e200 <all_groups+4608>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f819c00f2d0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 69 (LWP 14612):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=32, native_events=0x7f8278445a90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151e200 <all_groups+4608>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f8278448c60, thread_group=0x151e200 <all_groups+4608>, abstime=0x7f8278448d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151e200 <all_groups+4608>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81800cb520) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 68 (LWP 14094):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f829007bd60, mutex=0x151d000 <all_groups>, that=0x7f829007bc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f829007bc60, thread_group=0x151d000 <all_groups>, abstime=0x7f829007bd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81b00a8e80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 67 (LWP 12944):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386fa0, cond=0x3386fe0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386fa0, reset_sig_count=262) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b03c6e in srv_redo_log_follow_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:2218
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 66 (LWP 12939):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=0, array=0x33c72e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=6, message1=0x7f827d649d98, message2=0x7f827d649d90, type=0x7f827d649d88, space_id=0x7f827d649d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=6) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 65 (LWP 13125):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385b90, cond=0x3385bd0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385b90, reset_sig_count=90) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b09a04 in srv_purge_coordinator_suspend (rseg_history_len=266, slot=0x33852d0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3155
#4  srv_purge_coordinator_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3272
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 64 (LWP 14553):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=21, native_events=0x7f82786cfa90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f82786d2c60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f82786d2d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f8178217860) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 63 (LWP 13162):
+bt
#0  0x000000363720f2a5 in sigwait () from /lib64/libpthread.so.0
#1  0x00000000005a2fcb in signal_hand (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/mysqld.cc:3172
#2  0x00000000009e033a in pfs_spawn_thread (arg=0x3a5df70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#3  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#4  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 62 (LWP 13158):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386f10, cond=0x3386f50) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386f10, reset_sig_count=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b892dc in buf_dump_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/buf/buf0dump.cc:594
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 61 (LWP 13160):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a7271b in os_cond_wait_timed (abstime=0x7f825d7fac90, fast_mutex=0x39ce6d0, cond=0x39ce710) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x39ce6d0, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:723
#3  0x0000000000b428b1 in ib_wqueue_timedwait (wq=0x39fa898, wait_in_usecs=5000000) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/ut/ut0wqueue.cc:154
#4  0x0000000000bfb210 in fts_optimize_thread (arg=0x39fa898) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fts/fts0opt.cc:2972
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 60 (LWP 13155):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386010, cond=0x3386050) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386010, reset_sig_count=242) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 59 (LWP 13156):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386760, cond=0x33867a0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386760, reset_sig_count=62) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 58 (LWP 13154):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386ac0, cond=0x3386b00) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386ac0, reset_sig_count=24) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 57 (LWP 13153):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385d40, cond=0x3385d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385d40, reset_sig_count=1304) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 56 (LWP 13152):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386520, cond=0x3386560) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386520, reset_sig_count=92) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 55 (LWP 13151):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386910, cond=0x3386950) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386910, reset_sig_count=39) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 54 (LWP 13147):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33866d0, cond=0x3386710) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33866d0, reset_sig_count=85) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 53 (LWP 13148):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385ef0, cond=0x3385f30) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385ef0, reset_sig_count=358) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 52 (LWP 13145):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386130, cond=0x3386170) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386130, reset_sig_count=200) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 51 (LWP 13143):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385e60, cond=0x3385ea0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385e60, reset_sig_count=586) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 50 (LWP 13142):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386880, cond=0x33868c0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386880, reset_sig_count=51) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 49 (LWP 13139):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386640, cond=0x3386680) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386640, reset_sig_count=72) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 48 (LWP 13354):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827ad00d60, mutex=0x151de00 <all_groups+3584>, that=0x7f827ad00c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827ad00c60, thread_group=0x151de00 <all_groups+3584>, abstime=0x7f827ad00d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151de00 <all_groups+3584>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x3aeef10) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 47 (LWP 13135):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385f80, cond=0x3385fc0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385f80, reset_sig_count=334) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 46 (LWP 13138):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33860a0, cond=0x33860e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33860a0, reset_sig_count=218) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 45 (LWP 13157):
+bt
#0  0x0000003636ee14f3 in select () from /lib64/libc.so.6
#1  0x0000000000a7350f in os_thread_sleep (tm=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0thread.cc:255
#2  0x0000000000b8ea7a in page_cleaner_sleep_if_needed (next_loop_time=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/buf/buf0flu.cc:2413
#3  buf_flush_page_cleaner_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/buf/buf0flu.cc:2454
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 44 (LWP 13132):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33869a0, cond=0x33869e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33869a0, reset_sig_count=32) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 43 (LWP 13134):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33861c0, cond=0x3386200) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33861c0, reset_sig_count=179) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 42 (LWP 13140):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386be0, cond=0x3386c20) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386be0, reset_sig_count=16) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 41 (LWP 13836):
+bt
#0  0x000000363720ae1b in pthread_rwlock_unlock () from /lib64/libpthread.so.0
#1  0x0000000000980024 in free_root (root=0x3bb7bc8, MyFlags=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/mysys/my_alloc.c:355
#2  0x00000000005bd55a in cleanup (this=0x3bb7ad8) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_class.h:2530
#3  ha_commit_low (thd=0x3bb6360, all=true, run_after_commit=true) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/handler.cc:1550
#4  0x0000000000676b14 in TC_LOG_DUMMY::commit (this=<optimized out>, thd=<optimized out>, all=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/log.h:115
#5  0x00000000005bdd7d in ha_commit_trans (thd=0x3bb6360, all=<optimized out>, ignore_global_read_lock=false) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/handler.cc:1471
#6  0x00000000007cfc26 in trans_commit_implicit (thd=0x3bb6360) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/transaction.cc:281
#7  0x0000000000721ba8 in mysql_execute_command (thd=0x3bb6360) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:2663
#8  0x0000000000728628 in mysql_parse (thd=0x3bb6360, rawbuf=0x3bb8720 "P\303\070\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:6479
#9  0x000000000072978c in dispatch_command (command=COM_QUERY, thd=0x3bb6360, packet=0x7f827858d910 "`c\273\003", packet_length=23) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:1355
#10 0x000000000072a987 in do_command (thd=0x3bb6360) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:1049
#11 0x00000000007d7f57 in threadpool_process_request (thd=0x3bb6360) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_common.cc:312
#12 0x00000000007dac38 in handle_event (connection=0x3ab8430) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1466
#13 worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1519
#14 0x00000000009e033a in pfs_spawn_thread (arg=0x3ac39a0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#15 0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#16 0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 40 (LWP 13129):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386400, cond=0x3386440) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386400, reset_sig_count=111) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 39 (LWP 13144):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386a30, cond=0x3386a70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386a30, reset_sig_count=29) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 38 (LWP 13130):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33865b0, cond=0x33865f0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33865b0, reset_sig_count=77) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 37 (LWP 13124):
+bt
#0  0x0000003636ee14f3 in select () from /lib64/libc.so.6
#1  0x0000000000a7350f in os_thread_sleep (tm=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0thread.cc:255
#2  0x0000000000b06bc5 in srv_master_sleep () at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:2818
#3  srv_master_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:2862
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 36 (LWP 13128):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386370, cond=0x33863b0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386370, reset_sig_count=128) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 35 (LWP 14232):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=22, native_events=0x7f827827ea90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151d400 <all_groups+1024>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f8278281c60, thread_group=0x151d400 <all_groups+1024>, abstime=0x7f8278281d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151d400 <all_groups+1024>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81781dfe40) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 34 (LWP 13131):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386d60, cond=0x3386da0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386d60, reset_sig_count=9) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 33 (LWP 12942):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=3, array=0x33c72e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=9, message1=0x7f827b846d98, message2=0x7f827b846d90, type=0x7f827b846d88, space_id=0x7f827b846d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=9) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 32 (LWP 13127):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3385c20, cond=0x3385c60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3385c20, reset_sig_count=2450) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 31 (LWP 12920):
+bt
#0  0x0000003636edf253 in poll () from /lib64/libc.so.6
#1  0x00000000005a450a in handle_connections_sockets () at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/mysqld.cc:6259
#2  0x00000000005ab4eb in mysqld_main (argc=76, argv=0x3289228) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/mysqld.cc:5674
#3  0x0000003636e1ecdd in __libc_start_main () from /lib64/libc.so.6
#4  0x000000000059c785 in _start ()

Thread 30 (LWP 14560):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827aaf8d60, mutex=0x151dc00 <all_groups+3072>, that=0x7f827aaf8c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827aaf8c60, thread_group=0x151dc00 <all_groups+3072>, abstime=0x7f827aaf8d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151dc00 <all_groups+3072>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f8194000ed0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 29 (LWP 14587):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278240d60, mutex=0x151d800 <all_groups+2048>, that=0x7f8278240c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278240c60, thread_group=0x151d800 <all_groups+2048>, abstime=0x7f8278240d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d800 <all_groups+2048>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f817007d540) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 28 (LWP 13126):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x33867f0, cond=0x3386830) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x33867f0, reset_sig_count=55) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 27 (LWP 12936):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=1, array=0x3384500) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=3, message1=0x7f827f44cd98, message2=0x7f827f44cd90, type=0x7f827f44cd88, space_id=0x7f827f44cd80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=3) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 26 (LWP 14575):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=25, native_events=0x7f827adc0a90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151da00 <all_groups+2560>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f827adc3c60, thread_group=0x151da00 <all_groups+2560>, abstime=0x7f827adc3d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151da00 <all_groups+2560>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81781fdbd0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 25 (LWP 13149):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386c70, cond=0x3386cb0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386c70, reset_sig_count=13) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 24 (LWP 14545):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278691d60, mutex=0x151d800 <all_groups+2048>, that=0x7f8278691c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278691c60, thread_group=0x151d800 <all_groups+2048>, abstime=0x7f8278691d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d800 <all_groups+2048>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81a00ab400) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 23 (LWP 14580):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f82900bcd60, mutex=0x151d400 <all_groups+1024>, that=0x7f82900bcc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f82900bcc60, thread_group=0x151d400 <all_groups+1024>, abstime=0x7f82900bcd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d400 <all_groups+1024>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f817c0bdd00) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 22 (LWP 12935):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=0, array=0x3384500) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=2, message1=0x7f827fe4dd98, message2=0x7f827fe4dd90, type=0x7f827fe4dd88, space_id=0x7f827fe4dd80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=2) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 21 (LWP 13161):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007d9666 in inline_mysql_cond_timedwait (src_line=505, abstime=0x7f825cdf9d60, mutex=<optimized out>, that=<optimized out>, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  timer_thread (param=0x152d020 <pool_timer>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:505
#3  0x00000000009e033a in pfs_spawn_thread (arg=0x3a5b3f0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 20 (LWP 14554):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827860fd60, mutex=0x151d200 <all_groups+512>, that=0x7f827860fc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827860fc60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f827860fd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81780dd090) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 19 (LWP 13123):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a7271b in os_cond_wait_timed (abstime=0x7f826bffed30, fast_mutex=0x3386e80, cond=0x3386ec0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x3386e80, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:723
#3  0x0000000000b08c6d in srv_monitor_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:1831
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 18 (LWP 14090):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f82781ffd60, mutex=0x151d600 <all_groups+1536>, that=0x7f82781ffc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f82781ffc60, thread_group=0x151d600 <all_groups+1536>, abstime=0x7f82781ffd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d600 <all_groups+1536>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81b8056e30) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 17 (LWP 14230):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f82785ced60, mutex=0x151d400 <all_groups+1024>, that=0x7f82785cec80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f82785cec60, thread_group=0x151d400 <all_groups+1024>, abstime=0x7f82785ced60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d400 <all_groups+1024>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81780d4570) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 16 (LWP 13789):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278407d60, mutex=0x151d000 <all_groups>, that=0x7f8278407c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278407c60, thread_group=0x151d000 <all_groups>, abstime=0x7f8278407d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81900c4e80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 15 (LWP 13159):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a7271b in os_cond_wait_timed (abstime=0x7f825e1fbd00, fast_mutex=0x39c4980, cond=0x39c49c0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x39c4980, time_in_usec=<optimized out>, reset_sig_count=7) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:723
#3  0x0000000000bc6313 in dict_stats_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/dict/dict0stats_bg.cc:349
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 14 (LWP 13122):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a7271b in os_cond_wait_timed (abstime=0x7f8279196cc0, fast_mutex=0x3386df0, cond=0x3386e30) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x3386df0, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:723
#3  0x0000000000b077a2 in srv_error_monitor_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:2093
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 13 (LWP 13920):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827ae45d60, mutex=0x151d200 <all_groups+512>, that=0x7f827ae45c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827ae45c60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f827ae45d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f8180013380) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 12 (LWP 13815):
+bt
#0  0x0000003636ee8f03 in epoll_wait () from /lib64/libc.so.6
#1  0x00000000007d8917 in io_poll_wait (pollfd=50, native_events=0x7f82782bfa90, maxevents=1024, timeout_ms=-1) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:281
#2  0x00000000007d8ced in listener (current_thread=<optimized out>, thread_group=0x151e000 <all_groups+4096>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:643
#3  0x00000000007da15c in get_event (current_thread=0x7f82782c2c60, thread_group=0x151e000 <all_groups+4096>, abstime=0x7f82782c2d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1093
#4  0x00000000007dabf3 in worker_main (param=0x151e000 <all_groups+4096>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#5  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81680087f0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#6  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#7  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 11 (LWP 13507):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f82784cad60, mutex=0x151d000 <all_groups>, that=0x7f82784cac80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f82784cac60, thread_group=0x151d000 <all_groups>, abstime=0x7f82784cad60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f819007a930) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 10 (LWP 13918):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827ab7ad60, mutex=0x151d200 <all_groups+512>, that=0x7f827ab7ac80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827ab7ac60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f827ab7ad60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81700a3040) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 9 (LWP 13150):
+bt
#0  0x000000363720b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a73183 in os_cond_wait (fast_mutex=0x3386490, cond=0x33864d0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:214
#2  os_event_wait_low (event=0x3386490, reset_sig_count=99) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0sync.cc:610
#3  0x0000000000b06811 in srv_worker_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0srv.cc:3004
#4  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 8 (LWP 12937):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=2, array=0x3384500) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=4, message1=0x7f827ea4bd98, message2=0x7f827ea4bd90, type=0x7f827ea4bd88, space_id=0x7f827ea4bd80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=4) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 7 (LWP 13464):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278754d60, mutex=0x151d000 <all_groups>, that=0x7f8278754c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278754c60, thread_group=0x151d000 <all_groups>, abstime=0x7f8278754d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f817c000e40) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 6 (LWP 13791):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278344d60, mutex=0x151d000 <all_groups>, that=0x7f8278344c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278344c60, thread_group=0x151d000 <all_groups>, abstime=0x7f8278344d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81b00282d0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 5 (LWP 13505):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827854cd60, mutex=0x151d000 <all_groups>, that=0x7f827854cc80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827854cc60, thread_group=0x151d000 <all_groups>, abstime=0x7f827854cd60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f8188004900) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 4 (LWP 12941):
+bt
#0  0x0000003636a00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a6cbd3 in os_aio_linux_collect (seg_size=256, segment=2, array=0x33c72e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5090
#2  os_aio_linux_handle (global_seg=8, message1=0x7f827c247d98, message2=0x7f827c247d90, type=0x7f827c247d88, space_id=0x7f827c247d80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/os/os0file.cc:5235
#3  0x0000000000bcc1a7 in fil_aio_wait (segment=8) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/fil/fil0fil.cc:5579
#4  0x0000000000b0ab98 in io_handler_thread (arg=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/srv/srv0start.cc:479
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 3 (LWP 13917):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f827aa76d60, mutex=0x151d200 <all_groups+512>, that=0x7f827aa76c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f827aa76c60, thread_group=0x151d200 <all_groups+512>, abstime=0x7f827aa76d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d200 <all_groups+512>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x7f81840a04b0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 2 (LWP 13790):
+bt
#0  0x000000363720b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007da0a6 in inline_mysql_cond_timedwait (src_line=1131, abstime=0x7f8278385d60, mutex=0x151d000 <all_groups>, that=0x7f8278385c80, src_file=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/include/mysql/psi/mysql_thread.h:1199
#2  get_event (current_thread=0x7f8278385c60, thread_group=0x151d000 <all_groups>, abstime=0x7f8278385d60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1131
#3  0x00000000007dabf3 in worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1515
#4  0x00000000009e033a in pfs_spawn_thread (arg=0x3ad0d90) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#5  0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003636ee890d in clone () from /lib64/libc.so.6

Thread 1 (LWP 13379):
+bt
#0  0x000000363720c69c in pthread_kill () from /lib64/libpthread.so.0
#1  0x00000000006874ae in handle_fatal_signal (sig=6) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/signal_handler.cc:251
#2  <signal handler called>
#3  0x0000003636e328a5 in raise () from /lib64/libc.so.6
#4  0x0000003636e34085 in abort () from /lib64/libc.so.6
#5  0x0000000000a589b2 in log_online_setup_bitmap_file_range (bitmap_files=0x7f827acbda98, range_start=0, range_end=18446744073709551615) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/log/log0online.cc:1423
#6  0x0000000000a58d0e in log_online_bitmap_iterator_init (i=0x7f827acbda90, min_lsn=<optimized out>, max_lsn=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/log/log0online.cc:1560
#7  0x0000000000a20578 in i_s_innodb_changed_pages_fill (thd=0x3be6d70, tables=<optimized out>, cond=0x0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/innobase/handler/i_s.cc:8231
#8  0x000000000075a599 in do_fill_table (join_table=<optimized out>, table_list=0x7f81640050e0, thd=0x3be6d70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_show.cc:7725
#9  get_schema_tables_result (join=0x7f8164005c80, executed_place=PROCESSED_BY_JOIN_EXEC) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_show.cc:7826
#10 0x00000000007476e5 in JOIN::prepare_result (this=0x7f8164005c80, columns_list=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_select.cc:823
#11 0x00000000006fd831 in JOIN::exec (this=0x7f8164005c80) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_executor.cc:116
#12 0x000000000074a5c0 in mysql_execute_select (free_join=true, select_lex=0x3be9840, thd=0x3be6d70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_select.cc:1101
#13 mysql_select (thd=0x3be6d70, tables=0x7f81640050e0, wild_num=0, fields=..., conds=0x0, order=<optimized out>, group=0x3be9940, having=0x0, select_options=2685143552, result=0x7f8164005c58, unit=0x3be91f8, select_lex=0x3be9840) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_select.cc:1222
#14 0x000000000074b0bb in handle_select (thd=0x3be6d70, result=0x7f8164005c58, setup_tables_done_option=0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_select.cc:111
#15 0x000000000071faed in execute_sqlcom_select (thd=0x3be6d70, all_tables=0x7f81640050e0) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:5307
#16 0x00000000007225c7 in mysql_execute_command (thd=0x3be6d70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:2764
#17 0x0000000000728628 in mysql_parse (thd=0x3be6d70, rawbuf=0x3be9130 "P\303\070\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:6479
#18 0x000000000072978c in dispatch_command (command=COM_QUERY, thd=0x3be6d70, packet=0x7f827acbf910 "pm\276\003", packet_length=60) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:1355
#19 0x000000000072a987 in do_command (thd=0x3be6d70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/sql_parse.cc:1049
#20 0x00000000007d7f57 in threadpool_process_request (thd=0x3be6d70) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_common.cc:312
#21 0x00000000007dac38 in handle_event (connection=0x3b88510) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1466
#22 worker_main (param=0x151d000 <all_groups>) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/sql/threadpool_unix.cc:1519
#23 0x00000000009e033a in pfs_spawn_thread (arg=0x3b44570) at /bzr/5.6-QA_dbg/Percona-Server-5.6.13-rc60.5/storage/perfschema/pfs.cc:1858
#24 0x0000003637207851 in start_thread () from /lib64/libpthread.so.0
#25 0x0000003636ee890d in clone () from /lib64/libc.so.6
(gdb) +set logging off