[Thread debugging using libthread_db enabled]
[New Thread 0x4ec45540 (LWP 11261)]
[New Thread 0x40af0540 (LWP 11240)]
[New Thread 0x4dfaa940 (LWP 11237)]
[New Thread 0x4d5a9940 (LWP 11236)]
[New Thread 0x4cba8940 (LWP 11235)]
[New Thread 0x4c1a7940 (LWP 11234)]
[New Thread 0x4b7a6940 (LWP 11233)]
[New Thread 0x4ada5940 (LWP 11232)]
[New Thread 0x4a3a4940 (LWP 11231)]
[New Thread 0x485a1940 (LWP 11228)]
[New Thread 0x47ba0940 (LWP 11227)]
[New Thread 0x4719f940 (LWP 11226)]
[New Thread 0x4679e940 (LWP 11225)]
[New Thread 0x45d9d940 (LWP 11223)]
[New Thread 0x4539c940 (LWP 11222)]
[New Thread 0x4499b940 (LWP 11221)]
[New Thread 0x43f9a940 (LWP 11220)]
[New Thread 0x43599940 (LWP 11219)]
[New Thread 0x42b98940 (LWP 11218)]
[New Thread 0x42197940 (LWP 11217)]
[New Thread 0x41796940 (LWP 11216)]
[New Thread 0x40aa6940 (LWP 11215)]
0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

Thread 23 (Thread 0x40aa6940 (LWP 11215)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000de2e19 in inline_mysql_cond_timedwait (arg=<value optimized out>) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1175
#2  timer_handler (arg=<value optimized out>) at /home/buildbot/buildbot/build/mysys/thr_timer.c:292
#3  0x0000000000ce0269 in pfs_spawn_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1862
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x41796940 (LWP 11216)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000d1ecf7 in inline_mysql_cond_timedwait (control=0x16e2fc0, sleep_time=<value optimized out>) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1175
#2  my_service_thread_sleep (control=0x16e2fc0, sleep_time=<value optimized out>) at /home/buildbot/buildbot/build/storage/maria/ma_servicethread.c:115
#3  0x0000000000d18214 in ma_checkpoint_background (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/maria/ma_checkpoint.c:708
#4  0x0000000000ce0269 in pfs_spawn_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1862
#5  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x42197940 (LWP 11217)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe5550, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe5550, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=0, m1=0x42197088, m2=0x42197080, request=0x42197060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=0, m1=0x42197088, m2=0x42197080, request=0x42197060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518378892) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x42b98940 (LWP 11218)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe55c0, reset_sig_count=3) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe55c0, reset_sig_count=3) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=1, m1=0x42b98088, m2=0x42b98080, request=0x42b98060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=1, m1=0x42b98088, m2=0x42b98080, request=0x42b98060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518379004) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x43599940 (LWP 11219)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe5630, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe5630, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=2, m1=0x43599088, m2=0x43599080, request=0x43599060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=2, m1=0x43599088, m2=0x43599080, request=0x43599060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518379116) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x43f9a940 (LWP 11220)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe56a0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe56a0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=3, m1=0x43f9a088, m2=0x43f9a080, request=0x43f9a060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=3, m1=0x43f9a088, m2=0x43f9a080, request=0x43f9a060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518379228) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x4499b940 (LWP 11221)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe5710, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe5710, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=4, m1=0x4499b088, m2=0x4499b080, request=0x4499b060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=4, m1=0x4499b088, m2=0x4499b080, request=0x4499b060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518379340) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x4539c940 (LWP 11222)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfe5780, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfe5780, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000a65a30 in os_aio_simulated_handler (segment=5, m1=0x4539c088, m2=0x4539c080, request=0x4539c060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:7201
#4  os_aio_handler (segment=5, m1=0x4539c088, m2=0x4539c080, request=0x4539c060) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5662
#5  0x0000000000c37be2 in fil_aio_wait (segment=46912518379452) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5353
#6  0x0000000000b0f93c in io_handler_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:327
#7  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x45d9d940 (LWP 11223)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x45d9cba0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabfa8c10, time_in_usec=<value optimized out>, reset_sig_count=2)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000bd1e99 in pc_sleep_if_needed (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/buf/buf0flu.cc:2716
#4  buf_flush_page_cleaner_coordinator (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/buf/buf0flu.cc:3218
#5  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x4679e940 (LWP 11225)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x4679df80) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabde4190, time_in_usec=<value optimized out>, reset_sig_count=1)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000a3b1d7 in lock_wait_timeout_thread () at /home/buildbot/buildbot/build/storage/innobase/lock/lock0wait.cc:529
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x4719f940 (LWP 11226)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x4719ece0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabfa8ac0, time_in_usec=<value optimized out>, reset_sig_count=1)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000b0d340 in srv_error_monitor_thread () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:1969
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x47ba0940 (LWP 11227)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x47b9ffc0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabfa8b30, time_in_usec=<value optimized out>, reset_sig_count=1)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000b0a671 in srv_monitor_thread () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:1742
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x485a1940 (LWP 11228)):
#0  0x000000340220db71 in nanosleep () from /lib64/libpthread.so.0
#1  0x0000000000a67700 in os_thread_sleep (tm=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/os/os0thread.cc:225
#2  0x0000000000b0c4e3 in srv_master_sleep (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2508
#3  srv_master_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2555
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x4a3a4940 (LWP 11231)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfa8a50, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfa8a50, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000b0b6e1 in srv_worker_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2703
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x4ada5940 (LWP 11232)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfa89e0, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfa89e0, reset_sig_count=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000b0b6e1 in srv_worker_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2703
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x4b7a6940 (LWP 11233)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfa8ba0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfa8ba0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000bc9f3e in buf_dump_thread () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0dump.cc:799
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x4c1a7940 (LWP 11234)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x4c1a6fb0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabde4820, time_in_usec=<value optimized out>, reset_sig_count=1)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000c21924 in dict_stats_thread () at /home/buildbot/buildbot/build/storage/innobase/dict/dict0stats_bg.cc:420
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x4cba8940 (LWP 11235)):
#0  0x000000340220ab00 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66c62 in os_event::timed_wait (this=<value optimized out>, abstime=0x4cba7b40) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:286
#2  0x0000000000a66fa9 in os_event::wait_time_low (this=0x2aaaabe76b00, time_in_usec=<value optimized out>, reset_sig_count=1)
    at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:413
#3  0x0000000000b66b3b in ib_wqueue_timedwait (wq=0x2aaaabf004c0, wait_in_usecs=5000000) at /home/buildbot/buildbot/build/storage/innobase/ut/ut0wqueue.cc:160
#4  0x0000000000c7e4ab in fts_optimize_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/fts/fts0opt.cc:3046
#5  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x4d5a9940 (LWP 11236)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000a66a14 in wait_low (event=0x2aaaabfa8c80, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:166
#2  os_event_wait_low (event=0x2aaaabfa8c80, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:535
#3  0x0000000000bb5355 in buf_resize_thread () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0buf.cc:3159
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x4dfaa940 (LWP 11237)):
#0  0x000000340220db71 in nanosleep () from /lib64/libpthread.so.0
#1  0x0000000000a67700 in os_thread_sleep (tm=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/os/os0thread.cc:225
#2  0x0000000000babbba in btr_defragment_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/innobase/btr/btr0defragment.cc:769
#3  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#4  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x40af0540 (LWP 11240)):
#0  0x000000340220e1e8 in do_sigwait () from /lib64/libpthread.so.0
#1  0x000000340220e28d in sigwait () from /lib64/libpthread.so.0
#2  0x0000000000545b6b in signal_hand (arg=<value optimized out>) at /home/buildbot/buildbot/build/sql/mysqld.cc:3560
#3  0x0000000000ce0269 in pfs_spawn_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1862
#4  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#5  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x4ec45540 (LWP 11261)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000054c6f3 in close_connections (sig_ptr=<value optimized out>) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1138
#2  kill_server (sig_ptr=<value optimized out>) at /home/buildbot/buildbot/build/sql/mysqld.cc:1994
#3  0x000000000054cc00 in kill_server_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/sql/mysqld.cc:2026
#4  0x0000000000ce0269 in pfs_spawn_thread (arg=<value optimized out>) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1862
#5  0x0000003402206367 in start_thread () from /lib64/libpthread.so.0
#6  0x0000003401ad2f7d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x2b9e1c607730 (LWP 11209)):
#0  0x000000340220a899 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000054b73b in inline_mysql_cond_wait (argc=138, argv=0x2b9e1cc47a58) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1138
#2  mysqld_main (argc=138, argv=0x2b9e1cc47a58) at /home/buildbot/buildbot/build/sql/mysqld.cc:6117
#3  0x0000003401a1d974 in __libc_start_main () from /lib64/libc.so.6
#4  0x0000000000540289 in _start ()