(gdb) +thread apply all bt

Thread 52 (LWP 17093):
+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=49, argv=0x4c2d9d8) 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 51 (LWP 17095):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f30b00, 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 50 (LWP 17096):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f22e80, 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 49 (LWP 17097):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8eecc40, 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 48 (LWP 17098):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8eecc40, 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 47 (LWP 17099):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8eecc40, 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 46 (LWP 17100):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8eecc40, 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 45 (LWP 17101):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f3e780, 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 44 (LWP 17102):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f3e780, 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 43 (LWP 17103):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f3e780, 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 42 (LWP 17104):
+bt
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
#1  0x0000000000a608b6 in os_aio_linux_collect (array=0x8f3e780, 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 41 (LWP 17106):
+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=0x1ae30d60) 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=0x12e22910, time_in_usec=<optimized out>, reset_sig_count=27) 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 40 (LWP 17107):
+bt
#0  0x000000340cc0e1e5 in __lll_unlock_wake () from /lib64/libpthread.so.0
#1  0x000000340cc0a6f7 in _L_unlock_657 () from /lib64/libpthread.so.0
#2  0x000000340cc0a65f in pthread_mutex_unlock () from /lib64/libpthread.so.0
#3  0x0000000000a666a0 in os_event_wait_time_low (event=0x9257760, 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:727
#4  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
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 39 (LWP 17108):
+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=0x8ee5bd0, 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 38 (LWP 17109):
+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=0x196395d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000aff4d1 in rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xdc83b8 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc", line=2497) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0rw.cc:710
#5  0x0000000000af3f20 in pfs_rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xdc83b8 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc", line=2497) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0rw.ic:594
#6  0x0000000000af4d00 in srv_master_evict_from_table_cache (pct_check=100) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2497
#7  0x0000000000af805f in srv_master_do_idle_tasks () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2697
#8  0x0000000000af85f5 in srv_master_thread (arg=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2855
#9  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#10 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 37 (LWP 17110):
+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=0x196395d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000aff76a in rw_lock_s_lock_spin (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xdc11c0 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0purge.cc", line=720) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0rw.cc:443
#5  0x0000000000acf9e8 in pfs_rw_lock_s_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xdc11c0 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0purge.cc", line=720) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0rw.ic:685
#6  0x0000000000ad0f5d in row_purge_parse_undo_rec (node=0x139e95c8, undo_rec=<optimized out>, updated_extern=0x1d634b8f, thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0purge.cc:720
#7  0x0000000000ad1c4e in row_purge (node=0x139e95c8, undo_rec=0x20b71370 "\021\245\016\004\001", thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0purge.cc:859
#8  0x0000000000ad1d21 in row_purge_step (thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0purge.cc:942
#9  0x0000000000a8caf8 in que_thr_step (thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1115
#10 0x0000000000a8cc9d in que_run_threads_low (thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1177
#11 0x0000000000a8ce20 in que_run_threads (thr=0x1964d110) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1218
#12 0x0000000000b08c3e in trx_purge (n_purge_threads=1, batch_size=300, truncate=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/trx/trx0purge.cc:1251
#13 0x0000000000af32f2 in srv_do_purge (n_threads=1, n_total_purged=0x1d634da8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:3091
#14 0x0000000000af465a 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:3268
#15 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#16 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 36 (LWP 17111):
+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 35 (LWP 17112):
+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=0x9257820, 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 34 (LWP 17113):
+bt
#0  0x000000340cc0eec3 in pwrite64 () from /lib64/libpthread.so.0
#1  0x0000000000a621c9 in os_file_pwrite (file=8, buf=0x12fd4c00, n=1024, offset=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:2623
#2  0x0000000000a6230e in os_file_write_func (name=0x12e24d08 "./ib_logfile0", file=<optimized out>, buf=<optimized out>, offset=32076800, n=1024) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:3114
#3  0x0000000000bac372 in pfs_os_aio_func (type=11, mode=24, name=0x12e24d08 "./ib_logfile0", file=8, buf=0x12fd4c00, offset=32076800, n=1024, message1=0x12e24bc8, message2=0x12e255b8, space_id=4294967280, trx=0x0, src_file=0xddf130 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc", src_line=5517) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/os0file.ic:230
#4  0x0000000000bac623 in _fil_io (type=<optimized out>, sync=<optimized out>, space_id=4294967280, zip_size=0, block_offset=<optimized out>, byte_offset=13312, len=1024, buf=0x12fd4c00, message=0x12e255b8, trx=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5517
#5  0x0000000000a4a68a in log_group_write_buf (group=<optimized out>, buf=<optimized out>, len=<optimized out>, start_lsn=<optimized out>, new_data_offset=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/log/log0log.cc:1380
#6  0x0000000000a4ad6a in log_write_up_to (lsn=<optimized out>, wait=<optimized out>, flush_to_disk=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/log/log0log.cc:1568
#7  0x0000000000b1a90f in trx_flush_log_if_needed (lsn=<optimized out>, trx=0x20b93fa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/trx/trx0trx.cc:1310
#8  0x0000000000b1c1b9 in trx_commit_in_memory (trx=0x20b93fa8, lsn=32084048) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/trx/trx0trx.cc:1453
#9  0x0000000000b1c7ea in trx_commit (trx=0x20b93fa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/trx/trx0trx.cc:1588
#10 0x0000000000b1c87b in trx_commit_for_mysql (trx=0x20b93fa8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/trx/trx0trx.cc:1816
#11 0x0000000000b9beb0 in dict_stats_exec_sql (pinfo=<optimized out>, sql=0xddda48 "PROCEDURE INDEX_STATS_SAVE_UPDATE () IS\nBEGIN\nUPDATE \"mysql/innodb_index_stats\" SET\nlast_update = :last_update,\nstat_value = :stat_value,\nsample_size = :sample_size,\nstat_description = :stat_description\nWHERE\ndatabase_name = :database_name AND\ntable_name = :table_name AND\nindex_name = :index_name AND\nstat_name = :stat_name;\nEND;") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:293
#12 0x0000000000b9fd70 in dict_stats_save_index_stat (index=0x20c23188, last_update=1374324726, stat_name=0xddeb6e "n_leaf_pages", stat_value=2, sample_size=0x0, stat_description=0xdde3d0 "Number of leaf pages in the index") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:2196
#13 0x0000000000ba1810 in dict_stats_save (table_orig=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:2334
#14 0x0000000000ba1fa4 in dict_stats_update (table=0x195a8a98, stats_upd_option=DICT_STATS_RECALC_PERSISTENT) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:2993
#15 0x0000000000ba2cfa in dict_stats_process_entry_from_recalc_pool () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats_bg.cc:313
#16 0x0000000000ba2d8d 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:355
#17 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#18 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 33 (LWP 17114):
+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=0x13a22ec0, 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=0x13a22c78, 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=0x13a22c78) 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 32 (LWP 17115):
+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=0x19695c00) 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 31 (LWP 17116):
+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=0x197976c0, buf=0x1958ada0 "\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=0x195872f0, 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=0x195872f0, complen=0x1a0b1c98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
#7  0x00000000006e284c in my_net_read (net=0x195872f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
#8  0x000000000077d485 in do_command (thd=0x19587090) 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=0x197978f0) 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 30 (LWP 17120):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000696db0 in inline_mysql_cond_timedwait (that=0x199652a8, mutex=0x1548440 <LOCK_user_locks>, abstime=0x1a0f0cd0, 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  0x0000000000696e3f in Interruptible_wait::wait (this=0x1a0f0d60, cond=0x199652a8, mutex=0x1548440 <LOCK_user_locks>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/item_func.cc:4212
#3  0x0000000000697b57 in Item_func_get_lock::val_int (this=0x2040b9e8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/item_func.cc:4315
#4  0x000000000064f924 in Item::send (this=0x2040b9e8, protocol=0x206fcfc0, buffer=0x1a0f1190) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/item.cc:6846
#5  0x00000000006e60f7 in Protocol::send_result_set_row (this=0x206fcfc0, row_items=0x1a0f1150) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:847
#6  0x000000000073dfca in select_send::send_data (this=0x2040bbd0, items=...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_class.cc:2691
#7  0x000000000075680a in JOIN::exec (this=0x2040bbf8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:146
#8  0x000000000079f668 in mysql_execute_select (thd=0x206fca90, select_lex=0x206ff568, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#9  0x000000000079fdc4 in mysql_select (thd=0x206fca90, tables=0x0, wild_num=0, fields=..., conds=<optimized out>, order=0x206ff730, group=0x206ff668, having=0x0, select_options=2147781377, result=0x2040bbd0, unit=0x206fef20, select_lex=0x206ff568) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#10 0x000000000079ff78 in handle_select (thd=0x206fca90, result=0x2040bbd0, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#11 0x000000000077449d in execute_sqlcom_select (thd=0x206fca90, all_tables=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
#12 0x0000000000777b6e in mysql_execute_command (thd=0x206fcb78) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#13 0x000000000077bc88 in mysql_parse (thd=0x206fca90, rawbuf=0x206fca98 "\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=0x206fca90, packet=<optimized out>, packet_length=541112108) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#15 0x000000000077d4f5 in do_command (thd=0x206fca90) 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=0x19596b40) 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 29 (LWP 18281):
+bt
#0  0x000000340cc0eec3 in pwrite64 () from /lib64/libpthread.so.0
#1  0x0000000000991f65 in my_pwrite (Filedes=102, Buffer=0x1393d3f4 "\003", Count=20, offset=21420, MyFlags=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/mysys/my_pread.c:186
#2  0x0000000000c07e77 in inline_mysql_file_pwrite (src_file=0xdf1a78 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_dynrec.c", src_line=258, file=102, buffer=0x1393d3f4 "\003", count=20, offset=21420, flags=4) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_file.h:1193
#3  0x0000000000c07f0f in mi_nommap_pwrite (info=<optimized out>, Buffer=<optimized out>, Count=<optimized out>, offset=<optimized out>, MyFlags=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_dynrec.c:258
#4  0x0000000000c06f49 in _mi_write_part_record (info=0x201f37d0, filepos=21420, length=16, next_filepos=<optimized out>, record=0x1a130df8, reclength=0x1a130df0, flag=0x1a130e3c) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_dynrec.c:766
#5  0x0000000000c07be7 in write_dynamic_record (info=0x201f37d0, record=0x1393d3f8 "\377\376\375x\317#?\336\343?\001k", reclength=12) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_dynrec.c:370
#6  0x0000000000c2262b in mi_write (info=0x201f37d0, record=0x203dc7d0 "\377\376\375x\317#?\336\343?\001") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_write.c:145
#7  0x0000000000bed323 in ha_myisam::write_row (this=0x19bbf210, buf=0x203dc7d0 "\377\376\375x\317#?\336\343?\001") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/ha_myisam.cc:826
#8  0x000000000063efe7 in handler::ha_write_row (this=0x19bbf210, buf=0x203dc7d0 "\377\376\375x\317#?\336\343?\001") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:7419
#9  0x0000000000751f4f in end_write (join=0x19f10648, join_tab=0x19f115a8, end_of_records=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:2994
#10 0x0000000000755106 in sub_select_op (join=0x19f10648, join_tab=0x19f115a8, end_of_records=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1063
#11 0x0000000000751b66 in evaluate_join_record (join=0x19f10648, join_tab=0x19f112a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1597
#12 0x0000000000754ed1 in sub_select (join=0x19f10648, join_tab=0x19f112a8, 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=0x19f10648) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#14 0x00000000007566e8 in JOIN::exec (this=0x19f10648) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#15 0x000000000079f668 in mysql_execute_select (thd=0x1ff34970, select_lex=0x209650c0, 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=0x1ff34970, tables=0x209662a8, wild_num=0, fields=..., conds=<optimized out>, order=0x20965288, group=0x209651c0, having=0x0, select_options=2416184064, result=0x20966960, unit=0x20964a78, select_lex=0x209650c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#17 0x000000000079ff78 in handle_select (thd=0x1ff34970, result=0x20966960, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077449d in execute_sqlcom_select (thd=0x1ff34970, all_tables=0x209662a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
#19 0x0000000000777b6e in mysql_execute_command (thd=0x209626d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#20 0x000000000078c950 in Prepared_statement::execute (this=0x199742e0, expanded_query=<optimized out>, open_cursor=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:4217
#21 0x000000000078ca89 in Prepared_statement::execute_loop (this=0x199742e0, expanded_query=0x1a132540, open_cursor=<optimized out>, packet=<optimized out>, packet_end=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:3872
#22 0x000000000078cd48 in mysql_sql_stmt_execute (thd=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:2876
#23 0x0000000000776c83 in mysql_execute_command (thd=0x1ff34a58) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2772
#24 0x000000000077bc88 in mysql_parse (thd=0x1ff34970, rawbuf=0x1ff34978 "\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
#25 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1ff34970, packet=<optimized out>, packet_length=435225759) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#26 0x000000000077d4f5 in do_command (thd=0x1ff34970) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#27 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
#28 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
#29 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2018e3c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#30 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#31 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 28 (LWP 18283):
+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=0x196395d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=2) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000aff4d1 in rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0rw.cc:710
#5  0x0000000000abda60 in pfs_rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0rw.ic:594
#6  0x0000000000abdb2d in row_mysql_lock_data_dictionary_func (trx=0x1995e468, file=<optimized out>, line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:2097
#7  0x0000000000a05757 in ha_innobase::create (this=<optimized out>, name=0xffffffff <Address 0xffffffff out of bounds>, form=0x1a170130, create_info=0x1a173c20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:9920
#8  0x00000000006436af in ha_create_table (thd=0x2022dde0, path=0x0, db=0x19f94520 "transforms", table_name=0x19f94530 "insert_select_18282", create_info=0x1a173c20, update_create_info=false, is_temp_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4835
#9  0x000000000081a8e6 in rea_create_table (thd=0x2022dde0, path=0x1a172190 "./transforms/insert_select_18282", db=0x19f94520 "transforms", table_name=0x19f94530 "insert_select_18282", create_info=0x1a173c20, create_fields=..., keys=0, key_info=0x219bafd8, file=0x20596000, no_ha_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:526
#10 0x00000000007c427c in create_table_impl (thd=0x2022dde0, db=0x19f94520 "transforms", table_name=0x19f94530 "insert_select_18282", path=0x1a172190 "./transforms/insert_select_18282", create_info=<optimized out>, alter_info=0x1a173630, internal_tmp_table=false, select_field_count=11, no_ha_table=false, is_trans=0x0, key_info=0x1a1723a0, key_count=0x1a1723a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4826
#11 0x00000000007ca315 in mysql_create_table_no_lock (thd=0x2022dde0, db=0x19f94520 "transforms", table_name=0x19f94530 "insert_select_18282", create_info=0x1a173c20, alter_info=0x1a173630, select_field_count=11, is_trans=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4938
#12 0x000000000075ad2b in create_table_from_items (thd=0x2022dde0, create_info=0x1a173c20, create_table=0x19f94588, alter_info=0x1a173630, items=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4000
#13 0x000000000075af46 in select_create::prepare (this=0x2189e0a0, values=..., u=0x20230270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4068
#14 0x0000000000793db7 in JOIN::prepare (this=0x2189e220, tables_init=<optimized out>, wild_num=562685280, conds_init=<optimized out>, og_num=562685256, order_init=0x1a1732c0, group_init=0x0, having_init=0x0, select_lex_arg=0x202308b8, unit_arg=0x20230270) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc:335
#15 0x000000000079fb8f in mysql_prepare_select (thd=0x2022dde0, tables=0x19f952f0, wild_num=1, fields=..., conds=0x2189ddd8, og_num=0, order=0x0, group=0x0, having=0x0, select_options=2416184064, result=0x2189e0a0, unit=0x20230270, select_lex=0x202308b8, free_join=0x1a1734bf) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1055
#16 0x000000000079fcae in mysql_select (thd=0x2022dde0, tables=0x19f952f0, wild_num=1, fields=..., conds=<optimized out>, order=0x20230a80, group=0x202309b8, having=0x0, select_options=2416184064, result=0x2189e0a0, unit=0x20230270, select_lex=0x202308b8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1178
#17 0x000000000079ff78 in handle_select (thd=0x2022dde0, result=0x2189e0a0, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077add5 in mysql_execute_command (thd=0x2022dec8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3245
#19 0x000000000077bc88 in mysql_parse (thd=0x2022dde0, rawbuf=0x2022dde8 "\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=0x2022dde0, packet=<optimized out>, packet_length=435765920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x2022dde0) 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=0x206cfb90) 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 27 (LWP 18285):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x20231908, mutex=0x202318d8, abstime=0x1a1b3000, 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=0x202318d8, owner=0x202317a0, abs_timeout=0x1a1b3000, 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=0x202318d8, mdl_request=0x1a1b30e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x202318d8, 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  0x0000000000888429 in lock_schema_name (thd=0x202317a0, db=0x199766a8 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x202317a0, db=0x199766a8 "transforms", create_info=0x1a1b4c20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x202317a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x202317a0, rawbuf=0x202317a8 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x202317a0, packet=<optimized out>, packet_length=429352393) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x202317a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x197249d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 26 (LWP 18290):
+bt
#0  0x0000000000a93f96 in rec_offs_make_valid (rec=0xc4041b1 "", index=0x1949f378, offsets=0x1a1f3b10) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/rem0rec.ic:1019
#1  0x0000000000a95d4f in rec_init_offsets (rec=0xc4041b1 "", index=0x1949f378, offsets=0x1a1f3b10) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/rem/rem0rec.cc:385
#2  0x0000000000a96131 in rec_get_offsets_func (rec=0xc4041b1 "", index=0x1949f378, offsets=0x1a1f3b10, n_fields=<optimized out>, heap=0x1a1f3e48, file=0xdc1830 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc", line=4311) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/rem/rem0rec.cc:604
#3  0x0000000000add031 in row_search_for_mysql (buf=0x220500b0 "\377\377", <incomplete sequence \375>, mode=1, prebuilt=0x19bfbe98, match_mode=0, direction=1) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:4311
#4  0x0000000000a08fea in ha_innobase::general_fetch (this=0x20497d20, buf=0x220500b0 "\377\377", <incomplete sequence \375>, direction=1, match_mode=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8124
#5  0x0000000000a092e2 in ha_innobase::rnd_next (this=0x20497d20, buf=0x220500b0 "\377\377", <incomplete sequence \375>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8350
#6  0x000000000063c157 in handler::ha_rnd_next (this=0x20497d20, buf=0x220500b0 "\377\377", <incomplete sequence \375>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#7  0x0000000000c3785d in ha_partition::rnd_next (this=0x197c30e0, buf=0x220500b0 "\377\377", <incomplete sequence \375>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:4659
#8  0x000000000063c10a in handler::ha_rnd_next (this=0x197c30e0, buf=0x220500b0 "\377\377", <incomplete sequence \375>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2667
#9  0x00000000008b8b4c in rr_sequential (info=0x20799208) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/records.cc:478
#10 0x0000000000754e8a in sub_select (join=0x207984a0, join_tab=0x20799178, end_of_records=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1255
#11 0x0000000000755fc3 in do_select (join=0x207984a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#12 0x00000000007566e8 in JOIN::exec (this=0x207984a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#13 0x000000000079f668 in mysql_execute_select (thd=0x1fffcf90, select_lex=0x20c7e1f0, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#14 0x000000000079fdc4 in mysql_select (thd=0x1fffcf90, tables=0x20c7f090, wild_num=0, fields=..., conds=<optimized out>, order=0x20c7e3b8, group=0x20c7e2f0, having=0x0, select_options=2416184064, result=0x20c7f9b0, unit=0x20c7dba8, select_lex=0x20c7e1f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#15 0x000000000079ff78 in handle_select (thd=0x1fffcf90, result=0x20c7f9b0, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#16 0x000000000077449d in execute_sqlcom_select (thd=0x1fffcf90, all_tables=0x20c7f090) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
#17 0x0000000000777b6e in mysql_execute_command (thd=0x20c7b800) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
#18 0x000000000078c950 in Prepared_statement::execute (this=0x195c1820, expanded_query=<optimized out>, open_cursor=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:4217
#19 0x000000000078ca89 in Prepared_statement::execute_loop (this=0x195c1820, expanded_query=0x1a1f5540, open_cursor=<optimized out>, packet=<optimized out>, packet_end=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:3872
#20 0x000000000078cd48 in mysql_sql_stmt_execute (thd=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:2876
#21 0x0000000000776c83 in mysql_execute_command (thd=0x1fffd078) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2772
#22 0x000000000077bc88 in mysql_parse (thd=0x1fffcf90, rawbuf=0x1fffcf98 "\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
#23 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x1fffcf90, packet=<optimized out>, packet_length=544834191) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#24 0x000000000077d4f5 in do_command (thd=0x1fffcf90) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#25 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
#26 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
#27 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x207c6d90) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#28 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#29 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 25 (LWP 18295):
+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=0x13948db0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000b00739 in mutex_spin_wait (mutex=0x196392b8, file_name=0xdd9d58 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0dict.cc", line=479) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0sync.cc:583
#5  0x0000000000b84380 in pfs_mutex_enter_func (mutex=0x196392b8, file_name=0xdd9d58 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0dict.cc", line=479) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0sync.ic:251
#6  0x0000000000b8e0d8 in dict_table_close (table=0x20c1eb38, dict_locked=0, try_drop=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0dict.cc:479
#7  0x0000000000a05992 in ha_innobase::create (this=<optimized out>, name=0xffffffff <Address 0xffffffff out of bounds>, form=<optimized out>, create_info=0x1a236c20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:10136
#8  0x00000000006436af in ha_create_table (thd=0x1ff08510, path=0x0, db=0x197934b0 "transforms", table_name=0x197934c0 "insert_select_18291", create_info=0x1a236c20, update_create_info=false, is_temp_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4835
#9  0x000000000081a8e6 in rea_create_table (thd=0x1ff08510, path=0x1a235190 "./transforms/insert_select_18291", db=0x197934b0 "transforms", table_name=0x197934c0 "insert_select_18291", create_info=0x1a236c20, create_fields=..., keys=0, key_info=0x19794b30, file=0x20d25660, no_ha_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:526
#10 0x00000000007c427c in create_table_impl (thd=0x1ff08510, db=0x197934b0 "transforms", table_name=0x197934c0 "insert_select_18291", path=0x1a235190 "./transforms/insert_select_18291", create_info=<optimized out>, alter_info=0x1a236630, internal_tmp_table=false, select_field_count=1, no_ha_table=false, is_trans=0x0, key_info=0x1a2353a0, key_count=0x1a2353a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4826
#11 0x00000000007ca315 in mysql_create_table_no_lock (thd=0x1ff08510, db=0x197934b0 "transforms", table_name=0x197934c0 "insert_select_18291", create_info=0x1a236c20, alter_info=0x1a236630, select_field_count=1, is_trans=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4938
#12 0x000000000075ad2b in create_table_from_items (thd=0x1ff08510, create_info=0x1a236c20, create_table=0x19793518, alter_info=0x1a236630, items=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4000
#13 0x000000000075af46 in select_create::prepare (this=0x19794298, values=..., u=0x1ff0a9a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4068
#14 0x0000000000793db7 in JOIN::prepare (this=0x19794418, tables_init=<optimized out>, wild_num=427378520, conds_init=<optimized out>, og_num=427378496, order_init=0x1a2362c0, group_init=0x0, having_init=0x0, select_lex_arg=0x1ff0afe8, unit_arg=0x1ff0a9a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc:335
#15 0x000000000079fb8f in mysql_prepare_select (thd=0x1ff08510, tables=0x0, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, select_options=2416216832, result=0x19794298, unit=0x1ff0a9a0, select_lex=0x1ff0afe8, free_join=0x1a2364bf) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1055
#16 0x000000000079fcae in mysql_select (thd=0x1ff08510, tables=0x0, wild_num=0, fields=..., conds=<optimized out>, order=0x1ff0b1b0, group=0x1ff0b0e8, having=0x0, select_options=2416216832, result=0x19794298, unit=0x1ff0a9a0, select_lex=0x1ff0afe8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1178
#17 0x000000000079ff78 in handle_select (thd=0x1ff08510, result=0x19794298, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077add5 in mysql_execute_command (thd=0x1ff085f8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3245
#19 0x000000000077bc88 in mysql_parse (thd=0x1ff08510, rawbuf=0x1ff08518 "\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=0x1ff08510, packet=<optimized out>, packet_length=427373507) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x1ff08510) 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=0x1980edf0) 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 24 (LWP 18296):
+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=0x199b4cf0, buf=0x2080b0b0 "\001", 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=0x20807950, 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=0x20807950, complen=0x1a278c98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
#7  0x00000000006e284c in my_net_read (net=0x20807950) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
#8  0x000000000077d485 in do_command (thd=0x208076f0) 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=0x194e0c00) 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 23 (LWP 18298):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x20b55ca8, mutex=0x20b55c78, abstime=0x1a2b7000, 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=0x20b55c78, owner=0x20b55b40, abs_timeout=0x1a2b7000, 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=0x20b55c78, mdl_request=0x1a2b70e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x20b55c78, 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  0x0000000000888429 in lock_schema_name (thd=0x20b55b40, db=0x19b5eb90 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x20b55b40, db=0x19b5eb90 "transforms", create_info=0x1a2b8c20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x20b55b40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x20b55b40, rawbuf=0x20b55b48 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x20b55b40, packet=<optimized out>, packet_length=431352512) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x20b55b40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19908a70) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 22 (LWP 18301):
+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=0x196395d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=6) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000aff4d1 in rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0rw.cc:710
#5  0x0000000000abda60 in pfs_rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0rw.ic:594
#6  0x0000000000abdb2d in row_mysql_lock_data_dictionary_func (trx=0x19a59698, file=<optimized out>, line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:2097
#7  0x0000000000a05757 in ha_innobase::create (this=<optimized out>, name=0xffffffff <Address 0xffffffff out of bounds>, form=0x1a2f6130, create_info=0x1a2f9c20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:9920
#8  0x00000000006436af in ha_create_table (thd=0x204a8140, path=0x0, db=0x2059a460 "transforms", table_name=0x2059a470 "insert_select_18300", create_info=0x1a2f9c20, update_create_info=false, is_temp_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4835
#9  0x000000000081a8e6 in rea_create_table (thd=0x204a8140, path=0x1a2f8190 "./transforms/insert_select_18300", db=0x2059a460 "transforms", table_name=0x2059a470 "insert_select_18300", create_info=0x1a2f9c20, create_fields=..., keys=0, key_info=0x215e04e8, file=0x1fe51c20, no_ha_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:526
#10 0x00000000007c427c in create_table_impl (thd=0x204a8140, db=0x2059a460 "transforms", table_name=0x2059a470 "insert_select_18300", path=0x1a2f8190 "./transforms/insert_select_18300", create_info=<optimized out>, alter_info=0x1a2f9630, internal_tmp_table=false, select_field_count=1, no_ha_table=false, is_trans=0x0, key_info=0x1a2f83a0, key_count=0x1a2f83a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4826
#11 0x00000000007ca315 in mysql_create_table_no_lock (thd=0x204a8140, db=0x2059a460 "transforms", table_name=0x2059a470 "insert_select_18300", create_info=0x1a2f9c20, alter_info=0x1a2f9630, select_field_count=1, is_trans=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4938
#12 0x000000000075ad2b in create_table_from_items (thd=0x204a8140, create_info=0x1a2f9c20, create_table=0x2059a4c8, alter_info=0x1a2f9630, items=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4000
#13 0x000000000075af46 in select_create::prepare (this=0x217ce528, values=..., u=0x204aa5d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4068
#14 0x0000000000793db7 in JOIN::prepare (this=0x217ce6a8, tables_init=<optimized out>, wild_num=561834472, conds_init=<optimized out>, og_num=561834448, order_init=0x1a2f92c0, group_init=0x0, having_init=0x0, select_lex_arg=0x204aac18, unit_arg=0x204aa5d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc:335
#15 0x000000000079fb8f in mysql_prepare_select (thd=0x204a8140, tables=0x2059ac10, wild_num=0, fields=..., conds=0x217ce180, og_num=0, order=0x0, group=0x0, having=0x0, select_options=2416184064, result=0x217ce528, unit=0x204aa5d0, select_lex=0x204aac18, free_join=0x1a2f94bf) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1055
#16 0x000000000079fcae in mysql_select (thd=0x204a8140, tables=0x2059ac10, wild_num=0, fields=..., conds=<optimized out>, order=0x204aade0, group=0x204aad18, having=0x0, select_options=2416184064, result=0x217ce528, unit=0x204aa5d0, select_lex=0x204aac18) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1178
#17 0x000000000079ff78 in handle_select (thd=0x204a8140, result=0x217ce528, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077add5 in mysql_execute_command (thd=0x204a8228) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3245
#19 0x000000000077bc88 in mysql_parse (thd=0x204a8140, rawbuf=0x204a8148 "\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=0x204a8140, packet=<optimized out>, packet_length=542745321) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x204a8140) 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=0x19f19680) 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 21 (LWP 18304):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x21176068, mutex=0x21176038, abstime=0x1a339000, 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=0x21176038, owner=0x21175f00, abs_timeout=0x1a339000, 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=0x21176038, mdl_request=0x1a3390e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x21176038, 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  0x0000000000888429 in lock_schema_name (thd=0x21175f00, db=0x19ba8300 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x21175f00, db=0x19ba8300 "transforms", create_info=0x1a33ac20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x21175f00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x21175f00, rawbuf=0x21175f08 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x21175f00, packet=<optimized out>, packet_length=431653424) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x21175f00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x200bd060) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 20 (LWP 18306):
+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=0x196395d0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=5) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000aff4d1 in rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0rw.cc:710
#5  0x0000000000abda60 in pfs_rw_lock_x_lock_func (lock=0x15a4180 <dict_operation_lock>, pass=0, file_name=0xd9a778 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc", line=9920) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0rw.ic:594
#6  0x0000000000abdb2d in row_mysql_lock_data_dictionary_func (trx=0x199ef318, file=<optimized out>, line=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0mysql.cc:2097
#7  0x0000000000a05757 in ha_innobase::create (this=<optimized out>, name=0xffffffff <Address 0xffffffff out of bounds>, form=0x1a378130, create_info=0x1a37bc20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:9920
#8  0x00000000006436af in ha_create_table (thd=0x1fe447a0, path=0x0, db=0x206cd3f0 "transforms", table_name=0x206cd400 "insert_select_18305", create_info=0x1a37bc20, update_create_info=false, is_temp_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4835
#9  0x000000000081a8e6 in rea_create_table (thd=0x1fe447a0, path=0x1a37a190 "./transforms/insert_select_18305", db=0x206cd3f0 "transforms", table_name=0x206cd400 "insert_select_18305", create_info=0x1a37bc20, create_fields=..., keys=0, key_info=0x201739b0, file=0x20dc0ff0, no_ha_table=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:526
#10 0x00000000007c427c in create_table_impl (thd=0x1fe447a0, db=0x206cd3f0 "transforms", table_name=0x206cd400 "insert_select_18305", path=0x1a37a190 "./transforms/insert_select_18305", create_info=<optimized out>, alter_info=0x1a37b630, internal_tmp_table=false, select_field_count=24, no_ha_table=false, is_trans=0x0, key_info=0x1a37a3a0, key_count=0x1a37a3a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4826
#11 0x00000000007ca315 in mysql_create_table_no_lock (thd=0x1fe447a0, db=0x206cd3f0 "transforms", table_name=0x206cd400 "insert_select_18305", create_info=0x1a37bc20, alter_info=0x1a37b630, select_field_count=24, is_trans=0x0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4938
#12 0x000000000075ad2b in create_table_from_items (thd=0x1fe447a0, create_info=0x1a37bc20, create_table=0x206cd458, alter_info=0x1a37b630, items=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4000
#13 0x000000000075af46 in select_create::prepare (this=0x206ce998, values=..., u=0x1fe46c30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4068
#14 0x0000000000793db7 in JOIN::prepare (this=0x206ceb18, tables_init=<optimized out>, wild_num=544009816, conds_init=<optimized out>, og_num=544009792, order_init=0x1a37b2c0, group_init=0x0, having_init=0x0, select_lex_arg=0x1fe47278, unit_arg=0x1fe46c30) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc:335
#15 0x000000000079fb8f in mysql_prepare_select (thd=0x1fe447a0, tables=0x206cdb28, wild_num=1, fields=..., conds=0x206ce5f0, og_num=0, order=0x0, group=0x0, having=0x0, select_options=2416708096, result=0x206ce998, unit=0x1fe46c30, select_lex=0x1fe47278, free_join=0x1a37b4bf) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1055
#16 0x000000000079fcae in mysql_select (thd=0x1fe447a0, tables=0x206cdb28, wild_num=1, fields=..., conds=<optimized out>, order=0x1fe47440, group=0x1fe47378, having=0x0, select_options=2416708096, result=0x206ce998, unit=0x1fe46c30, select_lex=0x1fe47278) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1178
#17 0x000000000079ff78 in handle_select (thd=0x1fe447a0, result=0x206ce998, setup_tables_done_option=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#18 0x000000000077add5 in mysql_execute_command (thd=0x1fe44888) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3245
#19 0x000000000077bc88 in mysql_parse (thd=0x1fe447a0, rawbuf=0x1fe447a8 "\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=0x1fe447a0, packet=<optimized out>, packet_length=544002779) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#21 0x000000000077d4f5 in do_command (thd=0x1fe447a0) 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=0x194f7990) 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 19 (LWP 18308):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x19ea33f8, mutex=0x19ea33c8, abstime=0x1a3bb000, 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=0x19ea33c8, owner=0x19ea3290, abs_timeout=0x1a3bb000, 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=0x19ea33c8, mdl_request=0x1a3bb0e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x19ea33c8, 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  0x0000000000888429 in lock_schema_name (thd=0x19ea3290, db=0x19fdd8d0 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x19ea3290, db=0x19fdd8d0 "transforms", create_info=0x1a3bcc20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x19ea3290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x19ea3290, rawbuf=0x19ea3298 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x19ea3290, packet=<optimized out>, packet_length=436066296) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x19ea3290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19974600) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 18 (LWP 18310):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x204d90e8, mutex=0x204d90b8, abstime=0x1a3fafa0, 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=0x204d90b8, owner=0x204d8f80, abs_timeout=0x1a3fafa0, 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=0x204d90b8, mdl_request=0x2031ae28, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x204d90b8, 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=0x204d8f80, tables_start=0x2031aa88, 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=0x204d8f80, start=0x1a3fb4f8, counter=0x1a3fcdb8, flags=0, prelocking_strategy=0x1a3fcda0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007ccae9 in mysql_alter_table (thd=0x204d8f80, new_db=0x2031afe8 "test", new_name=0x0, create_info=0x1a3fd390, table_list=0x2031aa88, alter_info=0x1a3fd470, order_num=0, order=0x0, ignore=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7841
#8  0x00000000008c1b9c in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x204d8f80) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
#9  0x0000000000776543 in mysql_execute_command (thd=0x204d9068) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
#10 0x000000000077bc88 in mysql_parse (thd=0x204d8f80, rawbuf=0x204d8f88 "\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=0x204d8f80, packet=<optimized out>, packet_length=540124994) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#12 0x000000000077d4f5 in do_command (thd=0x204d8f80) 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=0x2059e8b0) 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 17 (LWP 18312):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x198a39c8, mutex=0x198a3998, abstime=0x21a77ed0, 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=0x198a3998, owner=0x198a3860, abs_timeout=0x21a77ed0, 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=0x198a3998, mdl_request=0x1ffa37b0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x198a3998, 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=0x198a3860, tables_start=0x1ffa1c70, 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=0x198a3860, start=0x21a783b8, counter=0x198a5ce0, flags=0, prelocking_strategy=0x21a783f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x198a3860, tables=0x1ffa1c70, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#8  0x00000000007e832c in mysql_create_view (thd=0x198a3860, views=0x1ffa1c70, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
#9  0x0000000000776c62 in mysql_execute_command (thd=0x198a3948) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
#10 0x000000000077bc88 in mysql_parse (thd=0x198a3860, rawbuf=0x198a3868 "\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=0x198a3860, packet=<optimized out>, packet_length=536484492) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#12 0x000000000077d4f5 in do_command (thd=0x198a3860) 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=0x139f8f60) 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 16 (LWP 18315):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x19b39e08, mutex=0x19b39dd8, abstime=0x21ab8000, 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=0x19b39dd8, owner=0x19b39ca0, abs_timeout=0x21ab8000, 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=0x19b39dd8, mdl_request=0x21ab80e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x19b39dd8, 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  0x0000000000888429 in lock_schema_name (thd=0x19b39ca0, db=0x19f3bf30 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x19b39ca0, db=0x19f3bf30 "transforms", create_info=0x21ab9c20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x19b39ca0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x19b39ca0, rawbuf=0x19b39ca8 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x19b39ca0, packet=<optimized out>, packet_length=435404384) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x19b39ca0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x199e63c0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 15 (LWP 18317):
+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=0x13948db0, reset_sig_count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
#3  0x0000000000afe96d in sync_array_wait_event (arr=0x9256ba0, index=3) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0arr.cc:424
#4  0x0000000000b00739 in mutex_spin_wait (mutex=0x196392b8, file_name=0xdb9e60 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/dict0boot.ic", line=36) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/sync/sync0sync.cc:583
#5  0x0000000000aa6850 in pfs_mutex_enter_func (mutex=0x196392b8, file_name=0xdb9e60 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/dict0boot.ic", line=36) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/sync0sync.ic:251
#6  0x0000000000aa694b in dict_sys_get_new_row_id () at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/include/dict0boot.ic:36
#7  0x0000000000aa69c5 in row_ins_alloc_row_id_step (node=0x8b359f8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0ins.cc:3115
#8  0x0000000000aad7dd in row_ins (node=0x8b359f8, thr=0x22076fb0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0ins.cc:3199
#9  0x0000000000aad9ab in row_ins_step (thr=0x22076fb0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0ins.cc:3345
#10 0x0000000000ac3384 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:1313
#11 0x0000000000a0a0b8 in ha_innobase::write_row (this=0x20e250b0, record=0x219d3210 "P\341B\001b") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:6921
#12 0x000000000063efe7 in handler::ha_write_row (this=0x20e250b0, buf=0x219d3210 "P\341B\001b") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:7419
#13 0x0000000000c3d4ea in ha_partition::write_row (this=0x20fbbf10, buf=0x219d3210 "P\341B\001b") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:3927
#14 0x000000000063ef48 in handler::ha_write_row (this=0x20fbbf10, buf=0x219d3210 "P\341B\001b") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:7419
#15 0x000000000075d06c in write_record (thd=0x200a9430, table=0x2015d9e0, info=0x2217c4b8, update=0x2217c530) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:1889
#16 0x000000000075d9ff in select_insert::send_data (this=0x2217c470, values=...) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:3674
#17 0x000000000074fa60 in end_send (join=0x2217c5b0, join_tab=0x20a16448, end_of_records=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:2774
#18 0x0000000000751b66 in evaluate_join_record (join=0x2217c5b0, join_tab=0x20a16148) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1597
#19 0x0000000000754ed1 in sub_select (join=0x2217c5b0, join_tab=0x20a16148, end_of_records=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1272
#20 0x0000000000755fc3 in do_select (join=0x2217c5b0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
#21 0x00000000007566e8 in JOIN::exec (this=0x2217c5b0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
#22 0x000000000079f668 in mysql_execute_select (thd=0x200a9430, select_lex=0x200abf08, free_join=true) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
#23 0x000000000079fdc4 in mysql_select (thd=0x200a9430, tables=0x2217bf00, wild_num=1, fields=..., conds=<optimized out>, order=0x200ac0d0, group=0x200ac008, having=0x0, select_options=3489925888, result=0x2217c470, unit=0x200ab8c0, select_lex=0x200abf08) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
#24 0x000000000079ff78 in handle_select (thd=0x200a9430, result=0x2217c470, setup_tables_done_option=1073741824) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
#25 0x000000000077b283 in mysql_execute_command (thd=0x200a9518) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3727
#26 0x000000000077bc88 in mysql_parse (thd=0x200a9430, rawbuf=0x200a9438 "\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
#27 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x200a9430, packet=<optimized out>, packet_length=571979576) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#28 0x000000000077d4f5 in do_command (thd=0x200a9430) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#29 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
#30 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
#31 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x20063d20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#32 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#33 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 14 (LWP 18319):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x20337828, mutex=0x203377f8, abstime=0x21b3b030, 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=0x203377f8, owner=0x203376c0, abs_timeout=0x21b3b030, 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=0x203377f8, mdl_request=0x2071c740, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x203377f8, 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=0x203376c0, tables_start=0x2071c128, 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=0x203376c0, start=0x21b3b518, counter=0x20339b40, flags=0, prelocking_strategy=0x21b3b550) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x203376c0, tables=0x2071c128, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#8  0x000000000077ab44 in mysql_execute_command (thd=0x203377a8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3183
#9  0x000000000077bc88 in mysql_parse (thd=0x203376c0, rawbuf=0x203376c8 "\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=0x203376c0, packet=<optimized out>, packet_length=544325610) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#11 0x000000000077d4f5 in do_command (thd=0x203376c0) 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=0x1993f280) 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 13 (LWP 18324):
+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=0x2033b080, buf=0x20e63300 "\001", 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=0x200c13f0, 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=0x200c13f0, complen=0x21b7dc98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
#7  0x00000000006e284c in my_net_read (net=0x200c13f0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
#8  0x000000000077d485 in do_command (thd=0x200c1190) 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=0x9b2a550) 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 12 (LWP 18327):
+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=0x20519190, 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=0x194b8900) 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

Thread 11 (LWP 18332):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x198c64b8, mutex=0x198c6488, abstime=0x21bfc100, 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=0x198c6488, owner=0x198c6350, abs_timeout=0x21bfc100, 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=0x198c6488, mdl_request=0x21bfc190, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2229
#4  0x00000000006df118 in MDL_context::upgrade_shared_lock (this=0x198c6488, mdl_ticket=0x203b0660, new_type=MDL_EXCLUSIVE, lock_wait_timeout=31536000) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2411
#5  0x0000000000723600 in wait_while_table_is_used (thd=0x198c6350, table=0x19e9f5b0, function=HA_EXTRA_FORCE_REOPEN) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2226
#6  0x00000000007c98e0 in simple_rename_or_index_change (thd=0x198c6350, table_list=0x20aed338, keys_onoff=Alter_info::ENABLE, alter_ctx=0x21bfc500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7512
#7  0x00000000007cd281 in mysql_alter_table (thd=0x198c6350, new_db=0x21bfdb20 "@ۿ!", new_name=0x13a24ea0 "", create_info=0x21bfe390, table_list=0x20aed338, alter_info=0x21bfe470, order_num=0, order=0x0, ignore=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:8012
#8  0x00000000008c1b9c in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x198c6350) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
#9  0x0000000000776543 in mysql_execute_command (thd=0x198c6438) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
#10 0x000000000077bc88 in mysql_parse (thd=0x198c6350, rawbuf=0x198c6358 "\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=0x198c6350, packet=<optimized out>, packet_length=548327410) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#12 0x000000000077d4f5 in do_command (thd=0x198c6350) 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=0x204deb80) 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 10 (LWP 18335):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x199cdfa8, mutex=0x199cdf78, abstime=0x21c3ee30, 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=0x199cdf78, owner=0x199cde40, abs_timeout=0x21c3ee30, 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=0x199cdf78, mdl_request=0x20341040, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x199cdf78, 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=0x199cde40, tables_start=0x20340ae0, 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  0x00000000007e6c27 in mysql_drop_view (thd=0x199cde40, views=0x20340ae0, drop_mode=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:1814
#7  0x0000000000776c40 in mysql_execute_command (thd=0x199cdf28) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5016
#8  0x000000000077bc88 in mysql_parse (thd=0x199cde40, rawbuf=0x199cde48 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x199cde40, packet=<optimized out>, packet_length=540281301) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x199cde40) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x19bb1940) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 9 (LWP 18339):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x19a67638, mutex=0x19a67608, abstime=0x21c7dfa0, 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=0x19a67608, owner=0x19a674d0, abs_timeout=0x21c7dfa0, 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=0x19a67608, mdl_request=0x207e5c38, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x19a67608, 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=0x19a674d0, tables_start=0x207e5898, 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=0x19a674d0, start=0x21c7e4f8, counter=0x21c7fdb8, flags=0, prelocking_strategy=0x21c7fda0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007ccae9 in mysql_alter_table (thd=0x19a674d0, new_db=0x207e5df8 "test", new_name=0x0, create_info=0x21c80390, table_list=0x207e5898, alter_info=0x21c80470, order_num=0, order=0x0, ignore=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7841
#8  0x00000000008c1b9c in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x19a674d0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
#9  0x0000000000776543 in mysql_execute_command (thd=0x19a675b8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
#10 0x000000000077bc88 in mysql_parse (thd=0x19a674d0, rawbuf=0x19a674d8 "\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=0x19a674d0, packet=<optimized out>, packet_length=545150290) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#12 0x000000000077d4f5 in do_command (thd=0x19a674d0) 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=0x195a11c0) 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 8 (LWP 18340):
+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=0x199ff190, buf=0x1fe570e0 "\001", 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=0x19ba4420, 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=0x19ba4420, complen=0x21cc2c98) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
#7  0x00000000006e284c in my_net_read (net=0x19ba4420) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
#8  0x000000000077d485 in do_command (thd=0x19ba41c0) 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=0x195ecd10) 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 7 (LWP 18342):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x1989df48, mutex=0x1989df18, abstime=0x21d02030, 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=0x1989df18, owner=0x1989dde0, abs_timeout=0x21d02030, 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=0x1989df18, mdl_request=0x200f3910, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x1989df18, 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=0x1989dde0, tables_start=0x200f32f8, 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=0x1989dde0, start=0x21d02518, counter=0x198a0260, flags=0, prelocking_strategy=0x21d02550) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
#7  0x00000000007285a6 in open_normal_and_derived_tables (thd=0x1989dde0, tables=0x200f32f8, flags=0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
#8  0x000000000077ab44 in mysql_execute_command (thd=0x1989dec8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3183
#9  0x000000000077bc88 in mysql_parse (thd=0x1989dde0, rawbuf=0x1989dde8 "\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=0x1989dde0, packet=<optimized out>, packet_length=537866709) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#11 0x000000000077d4f5 in do_command (thd=0x1989dde0) 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=0x1feac7f0) 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 6 (LWP 18343):
+bt
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000006dd5d0 in inline_mysql_cond_timedwait (that=0x19f52768, mutex=0x19f52738, abstime=0x21d42000, 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=0x19f52738, owner=0x19f52600, abs_timeout=0x21d42000, 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=0x19f52738, mdl_request=0x21d420e0, lock_wait_timeout=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
#4  0x00000000006df3ab in MDL_context::acquire_locks (this=0x19f52738, 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  0x0000000000888429 in lock_schema_name (thd=0x19f52600, db=0x1ff961b0 "transforms") at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
#6  0x000000000074a18f in mysql_create_db (thd=0x19f52600, db=0x1ff961b0 "transforms", create_info=0x21d43c20, silent=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
#7  0x00000000007796ee in mysql_execute_command (thd=0x19f52600) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
#8  0x000000000077bc88 in mysql_parse (thd=0x19f52600, rawbuf=0x19f52608 "\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
#9  0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x19f52600, packet=<optimized out>, packet_length=536436960) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#10 0x000000000077d4f5 in do_command (thd=0x19f52600) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#11 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
#12 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
#13 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x1fe99520) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 5 (LWP 18345):
+bt
#0  0x000000340cc0eec3 in pwrite64 () from /lib64/libpthread.so.0
#1  0x0000000000991f65 in my_pwrite (Filedes=206, Buffer=0x2246d570 "\003\362\001\001v", Count=1024, offset=44032, MyFlags=20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/mysys/my_pread.c:186
#2  0x0000000000bf1777 in inline_mysql_file_pwrite (src_file=0xdef6e0 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_check.c", src_line=4068, file=206, buffer=0x2246d570 "\003\362\001\001v", count=1024, offset=44032, flags=20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_file.h:1193
#3  0x0000000000bf1d02 in sort_insert_key (sort_param=0x21d78680, key_block=0x224692f0, key=0x21890740 "\001\001w", prev_block=18446744073709551615) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_check.c:4066
#4  0x0000000000bf370e in sort_key_write (sort_param=0x21d78680, a=0x21890740) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_check.c:3851
#5  0x0000000000c2c2c3 in write_index (info=0x21d78680, sort_keys=0x21887000, count=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/sort.c:748
#6  0x0000000000c2eb66 in _create_index_by_sort (info=0x21d78680, no_messages=1 '\001', sortbuff_size=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/sort.c:198
#7  0x0000000000bf86c8 in mi_repair_by_sort (param=0x21d790f0, info=0x2119bee0, name=0x21d78df0 "./query018322/#sql-42c5_60#P#p0", rep_quick=32768) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/mi_check.c:2436
#8  0x0000000000beeac6 in ha_myisam::repair (this=0x204f5640, thd=0x216d6f00, param=..., do_optimize=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/ha_myisam.cc:1105
#9  0x0000000000beecdb in ha_myisam::enable_indexes (this=0x204f5640, mode=<optimized out>) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/ha_myisam.cc:1408
#10 0x0000000000bec6f1 in ha_myisam::end_bulk_insert (this=0x204f5640) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/myisam/ha_myisam.cc:1542
#11 0x000000000063b717 in handler::ha_end_bulk_insert (this=0x204f5640) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4148
#12 0x0000000000c3c563 in ha_partition::end_bulk_insert (this=0x20c8dbf0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:4447
#13 0x000000000063b717 in handler::ha_end_bulk_insert (this=0x20c8dbf0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4148
#14 0x00000000007cb77e in copy_data_between_tables (from=0x21144cd0, to=0x20852ce0, create=..., ignore=false, order_num=0, order=0x0, copied=0x21d83d98, deleted=0x21d83d90, keys_onoff=Alter_info::LEAVE_AS_IS, alter_ctx=0x21d82500) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:9024
#15 0x00000000007cdb34 in mysql_alter_table (thd=0x216d6f00, new_db=0x20852ce0 "\260\065\205 ", new_name=0x21d83c00 "P0\215 ", create_info=0x21d84390, table_list=0x1ffd3258, alter_info=0x21d84470, order_num=0, order=0x0, ignore=false) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:8487
#16 0x00000000008c1b9c in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x216d6f00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
#17 0x0000000000776543 in mysql_execute_command (thd=0x216d6fe8) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
#18 0x000000000077bc88 in mysql_parse (thd=0x216d6f00, rawbuf=0x216d6f08 "\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
#19 0x000000000077c81f in dispatch_command (command=<optimized out>, thd=0x216d6f00, packet=<optimized out>, packet_length=536686925) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#20 0x000000000077d4f5 in do_command (thd=0x216d6f00) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
#21 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
#22 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
#23 0x00000000009e4ce9 in pfs_spawn_thread (arg=0x204cd530) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
#24 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
#25 0x000000340c4e890d in clone () from /lib64/libc.so.6

Thread 4 (LWP 18362):
+bt
#0  0x000000340cc0c69c in pthread_kill () from /lib64/libpthread.so.0
#1  0x00000000006ecc9d in handle_fatal_signal (sig=6) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/signal_handler.cc:251
#2  <signal handler called>
#3  0x000000340c4328a5 in raise () from /lib64/libc.so.6
#4  0x000000340c434085 in abort () from /lib64/libc.so.6
#5  0x000000340c42ba1e in __assert_fail_base () from /lib64/libc.so.6
#6  0x000000340c42bae0 in __assert_fail () from /lib64/libc.so.6
#7  0x0000000000c3c5dc in ha_partition::end_bulk_insert (this=0x19b2c3a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:4438
#8  0x000000000063b717 in handler::ha_end_bulk_insert (this=0x19b2c3a0) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/handler.cc:4148
#9  0x000000000075b119 in select_insert::abort_result_set (this=0x217b5d20) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:3837
#10 0x00000000007a0005 in handle_select (thd=0x20362340, result=0x217b5d20, setup_tables_done_option=1073741824) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:117
#11 0x000000000077b283 in mysql_execute_command (thd=0x20362428) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3727
#12 0x000000000077bc88 in mysql_parse (thd=0x20362340, rawbuf=0x20362348 "\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=0x20362340, packet=<optimized out>, packet_length=561729512) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
#14 0x000000000077d4f5 in do_command (thd=0x20362340) 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=0x198d5c60) 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 3 (LWP 18363):
+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=0x19e98010, 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=0x197c5d60) 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

Thread 2 (LWP 18364):
+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=0x2046d620, 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=0x19b24c00) 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

Thread 1 (LWP 19012):
+bt
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000904da0 in inline_mysql_cond_wait (that=0x19796d10, mutex=0x19796ce0, 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  0x00000000009053e7 in Event_queue::cond_wait (this=0x19796ce0, thd=0x20ed9350, abstime=<optimized out>, stage=0x1462d40 <stage_waiting_on_empty_queue>, src_func=0xd59130 <Event_queue::get_top_for_execution_if_time(THD*, Event_queue_element_for_exec**)::__FUNCTION__> "get_top_for_execution_if_time", src_file=0xd58b20 "/bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc", src_line=593) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc:760
#3  0x00000000009056c8 in Event_queue::get_top_for_execution_if_time (this=0x19796ce0, thd=0x20ed9350, event_name=0x22e89d08) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc:593
#4  0x0000000000907aa7 in Event_scheduler::run (this=0x19586ec0, thd=0x20ed9350) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc:481
#5  0x0000000000908115 in event_scheduler_thread (arg=0x19803350) at /bzr/5.6_val/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc:244
#6  0x00000000009e4ce9 in pfs_spawn_thread (arg=0x2193b720) 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