Thread 26 (Thread 0x7f79ae9a4700 (LWP 7841)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f79b6b4b62b in wait (arg=0x7f79b7d54320) at galerautils/src/gu_lock.hpp:56
#2  galera::ServiceThd::thd_func (arg=0x7f79b7d54320) at galera/src/galera_service_thd.cpp:30
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f796a3ff700 (LWP 7848)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f7969bfe700 (LWP 7849)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f79693fd700 (LWP 7850)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f7968bfc700 (LWP 7851)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f79683fb700 (LWP 7852)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f7967bfa700 (LWP 7853)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f79673f9700 (LWP 7854)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f7966bf8700 (LWP 7855)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f79663f7700 (LWP 7856)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f7965bf6700 (LWP 7857)):
#0  0x00007f79bb1d8614 in ?? () from /lib64/libaio.so.1
#1  0x00000000008f1117 in os_aio_linux_handle(unsigned long, fil_node_t**, void**, unsigned long*, unsigned long*) ()
#2  0x0000000000a0ba75 in fil_aio_wait(unsigned long) ()
#3  0x000000000095fb95 in io_handler_thread ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f7962ffe700 (LWP 7859)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f3797 in os_event_wait_time_low(os_event*, unsigned long, long) ()
#2  0x00000000008d0619 in lock_wait_timeout_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f79627fd700 (LWP 7860)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f3797 in os_event_wait_time_low(os_event*, unsigned long, long) ()
#2  0x000000000095be66 in srv_error_monitor_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f7961ffc700 (LWP 7861)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f3797 in os_event_wait_time_low(os_event*, unsigned long, long) ()
#2  0x000000000095b8e6 in srv_monitor_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f79617fb700 (LWP 7862)):
#0  0x00007f79b9af3373 in select () from /lib64/libc.so.6
#1  0x00000000008f4bcf in os_thread_sleep(unsigned long) ()
#2  0x000000000095ceef in srv_master_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f79637ff700 (LWP 7863)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f365b in os_event_wait_low(os_event*, long) ()
#2  0x000000000095e4ae in srv_purge_coordinator_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f7960ffa700 (LWP 7868)):
#0  0x00007f79b9af3373 in select () from /lib64/libc.so.6
#1  0x00000000008f4bcf in os_thread_sleep(unsigned long) ()
#2  0x00000000009cfb3c in buf_flush_page_cleaner_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f79607f9700 (LWP 7869)):
#0  0x00007f79b9af3373 in select () from /lib64/libc.so.6
#1  0x00000000008f4bcf in os_thread_sleep(unsigned long) ()
#2  0x00000000009d0aac in buf_flush_lru_manager_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f795fff8700 (LWP 7870)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f365b in os_event_wait_low(os_event*, long) ()
#2  0x00000000009ca21e in buf_dump_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f795f7f7700 (LWP 7871)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f3797 in os_event_wait_time_low(os_event*, unsigned long, long) ()
#2  0x0000000000a045b3 in dict_stats_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f795eff6700 (LWP 7872)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000008f3797 in os_event_wait_time_low(os_event*, unsigned long, long) ()
#2  0x000000000098ac2f in ib_wqueue_timedwait(ib_wqueue_t*, long) ()
#3  0x0000000000a391ee in fts_optimize_thread(void*) ()
#4  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f79567ff700 (LWP 7873)):
#0  0x00007f79bb3e498e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000ad029f in my_service_thread_sleep ()
#2  0x0000000000ac90e2 in ma_checkpoint_background ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f79bb739700 (LWP 7874)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000007ee91f in binlog_background_thread ()
#2  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f79bb6f0700 (LWP 7875)):
#0  0x00007f79bb3e84b5 in sigwait () from /lib64/libpthread.so.0
#1  0x000000000054e3af in signal_hand ()
#2  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f79bb7b8700 (LWP 8466)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000055451f in kill_server ()
#2  0x000000000055454e in kill_server_thread ()
#3  0x00007f79bb3e09d1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f79b9afa8fd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f79bb803820 (LWP 7838)):
#0  0x00007f79bb3e45bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000000559187 in mysqld_main(int, char**) ()
#2  0x00007f79b9a30d5d in __libc_start_main () from /lib64/libc.so.6
#3  0x000000000054c159 in _start ()
Continuing.