[New LWP 19725] [New LWP 19715] [New LWP 19699] [New LWP 19698] [New LWP 19697] [New LWP 19696] [New LWP 19695] [New LWP 19694] [New LWP 19693] [New LWP 19692] [New LWP 19691] [New LWP 19690] [New LWP 19689] [New LWP 19687] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 Thread 15 (Thread 0x7f533317c700 (LWP 19687)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007f53367ab467 in safe_cond_timedwait (cond=0x7f5337d0bfc0 , mp=0x7f5337d0bf00 , abstime=0x7f533317bec0, file=0x7f5336bdd1d0 "/home/buildbot/mariadb-10.3.12/include/mysql/psi/mysql_thread.h", line=1215) at /home/buildbot/mariadb-10.3.12/mysys/thr_mutex.c:546 #2 0x00007f53367ac479 in inline_mysql_cond_timedwait (that=0x7f5337d0bfc0 , mutex=0x7f5337d0bf00 , abstime=0x7f533317bec0, src_file=0x7f5336bdd210 "/home/buildbot/mariadb-10.3.12/mysys/thr_timer.c", src_line=292) at /home/buildbot/mariadb-10.3.12/include/mysql/psi/mysql_thread.h:1215 #3 0x00007f53367acf84 in timer_handler (arg=0x0) at /home/buildbot/mariadb-10.3.12/mysys/thr_timer.c:292 #4 0x00007f5333f72184 in start_thread (arg=0x7f533317c700) at pthread_create.c:312 #5 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 14 (Thread 0x7f531d6bf700 (LWP 19689)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f531d6bec00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f531d6bec00, m1=0x7f531d6beca8, m2=0x7f531d6becb0, request=0x7f531d6bece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=0, m1=0x7f531d6beca8, m2=0x7f531d6becb0, request=0x7f531d6bece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=0, m1=0x7f531d6beca8, m2=0x7f531d6becb0, request=0x7f531d6bece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=0) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18c0 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f531d6bf700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 13 (Thread 0x7f531cebe700 (LWP 19690)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f531cebdc00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f531cebdc00, m1=0x7f531cebdca8, m2=0x7f531cebdcb0, request=0x7f531cebdce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=1, m1=0x7f531cebdca8, m2=0x7f531cebdcb0, request=0x7f531cebdce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=1, m1=0x7f531cebdca8, m2=0x7f531cebdcb0, request=0x7f531cebdce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=1) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18c8 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f531cebe700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 12 (Thread 0x7f530da0f700 (LWP 19691)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530da0ec00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530da0ec00, m1=0x7f530da0eca8, m2=0x7f530da0ecb0, request=0x7f530da0ece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=2, m1=0x7f530da0eca8, m2=0x7f530da0ecb0, request=0x7f530da0ece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=2, m1=0x7f530da0eca8, m2=0x7f530da0ecb0, request=0x7f530da0ece0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=2) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18d0 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530da0f700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7f530d20e700 (LWP 19692)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530d20dc00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530d20dc00, m1=0x7f530d20dca8, m2=0x7f530d20dcb0, request=0x7f530d20dce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=3, m1=0x7f530d20dca8, m2=0x7f530d20dcb0, request=0x7f530d20dce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=3, m1=0x7f530d20dca8, m2=0x7f530d20dcb0, request=0x7f530d20dce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=3) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18d8 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530d20e700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7f530ca0d700 (LWP 19693)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530ca0cc00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530ca0cc00, m1=0x7f530ca0cca8, m2=0x7f530ca0ccb0, request=0x7f530ca0cce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=4, m1=0x7f530ca0cca8, m2=0x7f530ca0ccb0, request=0x7f530ca0cce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=4, m1=0x7f530ca0cca8, m2=0x7f530ca0ccb0, request=0x7f530ca0cce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=4) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18e0 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530ca0d700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7f530c20c700 (LWP 19694)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530c20bc00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530c20bc00, m1=0x7f530c20bca8, m2=0x7f530c20bcb0, request=0x7f530c20bce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=5, m1=0x7f530c20bca8, m2=0x7f530c20bcb0, request=0x7f530c20bce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=5, m1=0x7f530c20bca8, m2=0x7f530c20bcb0, request=0x7f530c20bce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=5) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18e8 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530c20c700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7f530ba0b700 (LWP 19695)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530ba0ac00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530ba0ac00, m1=0x7f530ba0aca8, m2=0x7f530ba0acb0, request=0x7f530ba0ace0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=6, m1=0x7f530ba0aca8, m2=0x7f530ba0acb0, request=0x7f530ba0ace0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=6, m1=0x7f530ba0aca8, m2=0x7f530ba0acb0, request=0x7f530ba0ace0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=6) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18f0 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530ba0b700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 7 (Thread 0x7f530b20a700 (LWP 19696)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530b209c00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530b209c00, m1=0x7f530b209ca8, m2=0x7f530b209cb0, request=0x7f530b209ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=7, m1=0x7f530b209ca8, m2=0x7f530b209cb0, request=0x7f530b209ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=7, m1=0x7f530b209ca8, m2=0x7f530b209cb0, request=0x7f530b209ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=7) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f18f8 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530b20a700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 6 (Thread 0x7f530aa09700 (LWP 19697)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530aa08c00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530aa08c00, m1=0x7f530aa08ca8, m2=0x7f530aa08cb0, request=0x7f530aa08ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=8, m1=0x7f530aa08ca8, m2=0x7f530aa08cb0, request=0x7f530aa08ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=8, m1=0x7f530aa08ca8, m2=0x7f530aa08cb0, request=0x7f530aa08ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=8) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f1900 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530aa09700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7f530a208700 (LWP 19698)): #0 0x00007f533500f58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007f533631e018 in LinuxAIOHandler::collect (this=0x7f530a207c00) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:1920 #2 0x00007f533631e549 in LinuxAIOHandler::poll (this=0x7f530a207c00, m1=0x7f530a207ca8, m2=0x7f530a207cb0, request=0x7f530a207ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2065 #3 0x00007f533631e6b9 in os_aio_linux_handler (global_segment=9, m1=0x7f530a207ca8, m2=0x7f530a207cb0, request=0x7f530a207ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:2119 #4 0x00007f53363231ba in os_aio_handler (segment=9, m1=0x7f530a207ca8, m2=0x7f530a207cb0, request=0x7f530a207ce0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0file.cc:5672 #5 0x00007f5336588a19 in fil_aio_wait (segment=9) at /home/buildbot/mariadb-10.3.12/storage/innobase/fil/fil0fil.cc:4473 #6 0x00007f5336429742 in io_handler_thread (arg=0x7f53374f1908 ) at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:327 #7 0x00007f5333f72184 in start_thread (arg=0x7f530a208700) at pthread_create.c:312 #8 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7f5309a07700 (LWP 19699)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007f533632af48 in os_event::timed_wait (this=0x7f5339995390, abstime=0x7f5309a068e0) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0event.cc:281 #2 0x00007f533632b261 in os_event::wait_time_low (this=0x7f5339995390, time_in_usec=1000000, reset_sig_count=2) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0event.cc:403 #3 0x00007f533632b443 in os_event_wait_time_low (event=0x7f5339995390, time_in_usec=1000000, reset_sig_count=2) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0event.cc:503 #4 0x00007f5336511165 in pc_sleep_if_needed (next_loop_time=1546100946800, sig_count=2, cur_time=1546100945800) at /home/buildbot/mariadb-10.3.12/storage/innobase/buf/buf0flu.cc:2685 #5 0x00007f53365120b2 in buf_flush_page_cleaner_coordinator () at /home/buildbot/mariadb-10.3.12/storage/innobase/buf/buf0flu.cc:3144 #6 0x00007f5333f72184 in start_thread (arg=0x7f5309a07700) at pthread_create.c:312 #7 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7f53300a8700 (LWP 19715)): #0 0x00007f5333f7a0c1 in do_sigwait (sig=0x7f53300a7e10, set=) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:60 #1 __sigwait (set=0x7f53300a7e40, sig=0x7f53300a7e10) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:97 #2 0x00007f5335bd212d in signal_hand (arg=0x0) at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:3556 #3 0x00007f5333f72184 in start_thread (arg=0x7f53300a8700) at pthread_create.c:312 #4 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7f531d892700 (LWP 19725)): #0 0x00007f5333f79b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f533632b98b in os_thread_sleep (tm=100000) at /home/buildbot/mariadb-10.3.12/storage/innobase/os/os0thread.cc:225 #2 0x00007f53362fd750 in logs_empty_and_mark_files_at_shutdown () at /home/buildbot/mariadb-10.3.12/storage/innobase/log/log0log.cc:1821 #3 0x00007f533643058b in innodb_shutdown () at /home/buildbot/mariadb-10.3.12/storage/innobase/srv/srv0start.cc:2566 #4 0x00007f5336256d91 in innobase_end () at /home/buildbot/mariadb-10.3.12/storage/innobase/handler/ha_innodb.cc:4363 #5 0x00007f5335ffa71d in ha_finalize_handlerton (plugin=0x7f5339885078) at /home/buildbot/mariadb-10.3.12/sql/handler.cc:462 #6 0x00007f5335d0f4bc in plugin_deinitialize (plugin=0x7f5339885078, ref_check=true) at /home/buildbot/mariadb-10.3.12/sql/sql_plugin.cc:1235 #7 0x00007f5335d0f993 in reap_plugins () at /home/buildbot/mariadb-10.3.12/sql/sql_plugin.cc:1311 #8 0x00007f5335d11b8c in plugin_shutdown () at /home/buildbot/mariadb-10.3.12/sql/sql_plugin.cc:1977 #9 0x00007f5335bcf455 in clean_up (print_message=true) at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:2256 #10 0x00007f5335bcefc4 in unireg_end () at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:2124 #11 0x00007f5335bceeb5 in kill_server (sig_ptr=0x0) at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:2051 #12 0x00007f5335bcef03 in kill_server_thread (arg=0x7f53300a7e10) at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:2074 #13 0x00007f5333f72184 in start_thread (arg=0x7f531d892700) at pthread_create.c:312 #14 0x00007f533347f37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7f5335622780 (LWP 19686)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f53367ab165 in safe_cond_wait (cond=0x7f5337476a00 , mp=0x7f5337475600 , file=0x7f533684a3e8 "/home/buildbot/mariadb-10.3.12/include/mysql/psi/mysql_thread.h", line=1178) at /home/buildbot/mariadb-10.3.12/mysys/thr_mutex.c:492 #2 0x00007f5335bcbdad in inline_mysql_cond_wait (that=0x7f5337476a00 , mutex=0x7f5337475600 , src_file=0x7f533684c340 "/home/buildbot/mariadb-10.3.12/sql/mysqld.cc", src_line=6217) at /home/buildbot/mariadb-10.3.12/include/mysql/psi/mysql_thread.h:1178 #3 0x00007f5335bd7731 in mysqld_main (argc=7, argv=0x7f533982b378) at /home/buildbot/mariadb-10.3.12/sql/mysqld.cc:6217 #4 0x00007f5335bcb515 in main (argc=7, argv=0x7fffe961eff8) at /home/buildbot/mariadb-10.3.12/sql/main.cc:25