2023-08-16 01:27:06 error : Failed to execute query on server 'viexh-session-usage-mdb-02' ([10.195.241.80]:3306): Lost connection to server during query 2023-08-16 01:27:06 error : [kafkacdc] [thrd:10.195.249.10:9092/bootstrap]: 10.195.249.10:9092/1: 20 request(s) timed out: disconnect (after 50172694ms in state UP) 2023-08-16 01:27:06 error : [kafkacdc] Local: Timed out 2023-08-16 01:27:06 error : [kafkacdc] Local: All broker connections are down 2023-08-16 01:28:04 error : Failed to execute query on server 'viexh-session-usage-mdb-03' ([10.195.241.81]:3306): Lost connection to server during query 2023-08-16 01:28:43 error : Failed to execute query on server 'viexh-session-usage-mdb-02' ([10.195.241.80]:3306): Lost connection to server at 'handshake: reading initial communicati on packet', system error: 110 2023-08-16 01:28:55 error : Failed to read replicated event: 1236, Could not find GTID state requested by slave in any binlog files. Probably the slave state is too old and required b inlog files have been purged. 2023-08-16 01:28:57 notice : Server changed state: viexh-session-usage-mdb-02[10.195.241.80:3306]: lost_slave. [Slave, Synced, Running] -> [Running] 2023-08-16 01:29:00 notice : Started replicating from [10.195.241.79]:3306 at GTID '1-1-538932178' 2023-08-16 01:29:00 error : Failed to read replicated event: 1236, Could not find GTID state requested by slave in any binlog files. Probably the slave state is too old and required b inlog files have been purged. MaxScale 23.02.3 received fatal signal 6. Commit ID: 2752b88a7d0037698da500c5f008464ffa704b15, System name: Linux, Release string: Red Hat Enterprise Linux release 8.2 (Ootpa), Thread: m axscale 2023-08-16 01:29:04 alert : MaxScale 23.02.3 received fatal signal 6. Commit ID: 2752b88a7d0037698da500c5f008464ffa704b15, System name: Linux, Release string: Red Hat Enterprise Linux release 8.2 (Ootpa), Thread: maxscale 2023-08-16 01:29:04 alert : Statement currently being classified: none/unknown [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". 0x00007f83e6d0aab4 in read () from /lib64/libc.so.6 Thread 47 (Thread 0x7f8345ffb700 (LWP 2705831)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa54030) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa54030, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 46 (Thread 0x7f83467fc700 (LWP 2705830)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa54880) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa54840) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 45 (Thread 0x7f8346ffd700 (LWP 2705829)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa53270) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa53270, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 44 (Thread 0x7f83477fe700 (LWP 2705828)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa53ac0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa53a80) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 43 (Thread 0x7f8347fff700 (LWP 2705827)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa524b0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa524b0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 42 (Thread 0x7f8358ff9700 (LWP 2705826)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa52d00) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa52cc0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 41 (Thread 0x7f83597fa700 (LWP 2705825)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa516f0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa516f0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 40 (Thread 0x7f8359ffb700 (LWP 2705824)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa51f40) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa51f00) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 39 (Thread 0x7f835a7fc700 (LWP 2705823)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa50930) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa50930, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 38 (Thread 0x7f835affd700 (LWP 2705822)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa51180) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa51140) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 37 (Thread 0x7f835b7fe700 (LWP 2705821)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4fb70) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4fb70, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 36 (Thread 0x7f835bfff700 (LWP 2705820)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa503c0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa50380) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 35 (Thread 0x7f8368ff9700 (LWP 2705819)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4edb0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4edb0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 34 (Thread 0x7f83697fa700 (LWP 2705818)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa4f600) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa4f5c0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 33 (Thread 0x7f8369ffb700 (LWP 2705817)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4dff0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4dff0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 32 (Thread 0x7f836a7fc700 (LWP 2705816)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa4e840) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa4e800) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 31 (Thread 0x7f836affd700 (LWP 2705815)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4d230) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4d230, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 30 (Thread 0x7f836b7fe700 (LWP 2705814)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa4da80) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa4da40) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 29 (Thread 0x7f836bfff700 (LWP 2705813)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4c4f0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4c4f0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 28 (Thread 0x7f837cff9700 (LWP 2705812)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa1eef0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa1eeb0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 27 (Thread 0x7f837d7fa700 (LWP 2705811)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4b720) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4b720, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 26 (Thread 0x7f837dffb700 (LWP 2705810)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa1ee70) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa1ee30) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 25 (Thread 0x7f837e7fc700 (LWP 2705809)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa4aa70) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa4aa70, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 24 (Thread 0x7f837effd700 (LWP 2705808)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0x9ff330) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0x9ff2f0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 23 (Thread 0x7f837f7fe700 (LWP 2705807)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa49fa0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa49fa0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 22 (Thread 0x7f837ffff700 (LWP 2705806)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa258e0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa258a0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 21 (Thread 0x7f838cff9700 (LWP 2705805)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa494f0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa494f0, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 20 (Thread 0x7f838d7fa700 (LWP 2705804)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa2dec0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa2de80) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 19 (Thread 0x7f838dffb700 (LWP 2705803)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa40670) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa40670, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 18 (Thread 0x7f838e7fc700 (LWP 2705802)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa2e4b0) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa2e470) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 17 (Thread 0x7f838effd700 (LWP 2705801)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa3fb90) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa3fb90, pSem=0x7fff62e26cf0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 16 (Thread 0x7f838f7fe700 (LWP 2705800)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0xa41110) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0xa410d0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7f838ffff700 (LWP 2705799)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0xa267d0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #2 0x00007f83ea3dd563 in maxbase::Worker::run (this=0xa267d0, pSem=0x7fff62e26e90) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x7f83c4ff9700 (LWP 2705789)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea35906a in __gthread_cond_timedwait (__abs_timeout=0x7f83c4ff85f0, __mutex=0x7f83ea830f90 <_ZN12_GLOBAL__N_19this_unitE+144>, __cond=0x7f83ea830f60 <_ZN12_GLOBAL__N_19this_unit E+96>) at /usr/include/c++/8/x86_64-redhat-linux/bits/gthr-default.h:871 #2 std::condition_variable::__wait_until_impl > > (__atime=..., __lock=..., this=0x7f83ea830f60 <_ZN12_GLOBAL__N_19this_unitE+96>) at /usr/include/c++/8/condition_variable:178 #3 std::condition_variable::wait_until > > (__atime=..., __lock= ..., this=0x7f83ea830f60 <_ZN12_GLOBAL__N_19this_unitE+96>) at /usr/include/c++/8/condition_variable:119 #4 std::condition_variable::wait_until >, HttpSql::ConnectionManager::cleanup_thread_func():: > (__p=..., __atime=..., __lock=..., this=0x7f83ea830f60 <_ZN12_GLOBAL__N_19this_unitE+96>) at /usr/include/c++/8/condition_variable:129 #5 HttpSql::ConnectionManager::cleanup_thread_func (this=0x7f83ea830f00 <_ZN12_GLOBAL__N_19this_unitE>) at /home/timofey_turenko_mariadb_com/MaxScale/server/core/sql_conn_manager.cc:331 #6 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #7 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #8 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x7f83c57fa700 (LWP 2705788)): #0 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f83ea4a67ca in MHD_epoll (daemon=daemon@entry=0xa2b9d0, may_block=may_block@entry=1) at daemon.c:4467 #2 0x00007f83ea4a7a57 in MHD_polling_thread (cls=0xa2b9d0) at daemon.c:4746 #3 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #4 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7f83c5ffb700 (LWP 2705787)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3ba443 in __gthread_cond_timedwait (__abs_timeout=0x7f83c5ffa650, __mutex=0xa25038, __cond=0xa25008) at /usr/include/c++/8/x86_64-redhat-linux/bits/gthr-default.h:871 #2 std::condition_variable::__wait_until_impl > > (__atime=..., __lock=..., this=0xa25008) at /u sr/include/c++/8/condition_variable:178 #3 std::condition_variable::wait_until > > (__atime=..., __lock= ..., this=0xa25008) at /usr/include/c++/8/condition_variable:119 #4 std::condition_variable::wait_until >, MariaDBUserManager::updater_thread_function():: > (__p=..., __atime=..., __lock=..., this=0xa25008) at /usr/include/c++/8/condition_variable:129 #5 MariaDBUserManager::updater_thread_function (this=0xa24fb0) at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/protocol/MariaDB/user_data.cc:251 #6 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #7 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #8 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 11 (Thread 0x7f83c67fc700 (LWP 2705786)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83e08780c0 in __gthread_cond_timedwait (__abs_timeout=0x7f83c67fb5c0, __mutex=, __cond=0xa13b50) at /usr/include/c++/8/x86_64-redhat-linux/bits/gthr-default.h:871 #2 std::condition_variable::__wait_until_impl > > (__atime=..., __lock=..., this=0xa13b50) at /usr/include/c++/8/condition_variable:17 8 #3 std::condition_variable::wait_until > > (__atime=..., __lock=..., this=0xa13b50) at /usr/include/c++/8/condition_variable:106 #4 std::condition_variable::wait_for > (__rtime=..., __lock=..., this=0xa13b50) at /usr/include/c++/8/condition_variable:143 #5 cdc::Replicator::Imp::wait (this=0xa13810) at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/routing/replicator/replicator.cc:286 #6 0x00007f83e087b5e9 in cdc::Replicator::Imp::process_events (this=0xa13810) at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/routing/replicator/replicator.cc:386 #7 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #8 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #9 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 10 (Thread 0x7f83c6ffd700 (LWP 2705785)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83e8e548bd in cnd_timedwait () from /lib64/libpthread.so.0 #2 0x00007f83e0b675e5 in rd_kafka_q_pop_serve (rkq=0xa1ea90, timeout_us=, version=version@entry=0, cb_type=cb_type@entry=RD_KAFKA_Q_CB_RETURN, callback=callback@entry=0x0, opa que=opaque@entry=0x0) at rdkafka_queue.c:404 #3 0x00007f83e0b67700 in rd_kafka_q_pop (rkq=, timeout_us=, version=version@entry=0) at rdkafka_queue.c:428 #4 0x00007f83e0b4a62f in rd_kafka_broker_ops_serve (rkb=rkb@entry=0xa1de20, timeout_us=, timeout_us@entry=1000000) at rdkafka_broker.c:3350 #5 0x00007f83e0b4a76a in rd_kafka_broker_ops_io_serve (rkb=rkb@entry=0xa1de20, abs_timeout=) at rdtime.h:257 #6 0x00007f83e0b4c39f in rd_kafka_broker_producer_serve (abs_timeout=460270859387, rkb=0xa1de20) at rdkafka_broker.c:3985 #7 rd_kafka_broker_serve (rkb=rkb@entry=0xa1de20, timeout_ms=, timeout_ms@entry=1000) at rdkafka_broker.c:5078 #8 0x00007f83e0b4cc8e in rd_kafka_broker_thread_main (arg=0xa1de20) at rdkafka_broker.c:5132 #9 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #10 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7f83c77fe700 (LWP 2705784)): #0 0x00007f83e6d0ef21 in poll () from /lib64/libc.so.6 #1 0x00007f83e0b624c9 in rd_kafka_transport_poll (rktrans=0x7f83c009c4c0, tmout=) at rdkafka_transport.c:960 #2 0x00007f83e0b6253f in rd_kafka_transport_io_serve (rktrans=0x7f83c009c4c0, timeout_ms=1000) at rdkafka_transport.c:792 #3 0x00007f83e0b4a715 in rd_kafka_broker_ops_io_serve (rkb=rkb@entry=0xa1ce90, abs_timeout=460271010947) at rdtime.h:160 #4 0x00007f83e0b4c39f in rd_kafka_broker_producer_serve (abs_timeout=460271010947, rkb=0xa1ce90) at rdkafka_broker.c:3985 #5 rd_kafka_broker_serve (rkb=rkb@entry=0xa1ce90, timeout_ms=, timeout_ms@entry=1000) at rdkafka_broker.c:5078 #6 0x00007f83e0b4cafd in rd_kafka_broker_thread_main (arg=0xa1ce90) at rdkafka_broker.c:5237 #7 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #8 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x7f83c7fff700 (LWP 2705783)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83e8e548bd in cnd_timedwait () from /lib64/libpthread.so.0 #2 0x00007f83e0b675e5 in rd_kafka_q_pop_serve (rkq=0xa1cb70, timeout_us=, version=version@entry=0, cb_type=cb_type@entry=RD_KAFKA_Q_CB_RETURN, callback=callback@entry=0x0, opa que=opaque@entry=0x0) at rdkafka_queue.c:404 #3 0x00007f83e0b67700 in rd_kafka_q_pop (rkq=, timeout_us=, version=version@entry=0) at rdkafka_queue.c:428 #4 0x00007f83e0b4a62f in rd_kafka_broker_ops_serve (rkb=rkb@entry=0xa1bf00, timeout_us=, timeout_us@entry=999999) at rdkafka_broker.c:3350 #5 0x00007f83e0b4a76a in rd_kafka_broker_ops_io_serve (rkb=rkb@entry=0xa1bf00, abs_timeout=) at rdtime.h:257 #6 0x00007f83e0b4c39f in rd_kafka_broker_producer_serve (abs_timeout=460270918700, rkb=0xa1bf00) at rdkafka_broker.c:3985 #7 rd_kafka_broker_serve (rkb=rkb@entry=0xa1bf00, timeout_ms=, timeout_ms@entry=1000) at rdkafka_broker.c:5078 #8 0x00007f83e0b4cc8e in rd_kafka_broker_thread_main (arg=0xa1bf00) at rdkafka_broker.c:5132 #9 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #10 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7f83dcb2a700 (LWP 2705782)): #0 0x00007f83e6d0ef21 in poll () from /lib64/libc.so.6 #1 0x00007f83e0b624c9 in rd_kafka_transport_poll (rktrans=0x7f83c80062f0, tmout=) at rdkafka_transport.c:960 #2 0x00007f83e0b6253f in rd_kafka_transport_io_serve (rktrans=0x7f83c80062f0, timeout_ms=1000) at rdkafka_transport.c:792 #3 0x00007f83e0b4a715 in rd_kafka_broker_ops_io_serve (rkb=rkb@entry=0xa1af90, abs_timeout=460270923030) at rdtime.h:160 #4 0x00007f83e0b4c39f in rd_kafka_broker_producer_serve (abs_timeout=460270923030, rkb=0xa1af90) at rdkafka_broker.c:3985 #5 rd_kafka_broker_serve (rkb=rkb@entry=0xa1af90, timeout_ms=, timeout_ms@entry=1000) at rdkafka_broker.c:5078 #6 0x00007f83e0b4cafd in rd_kafka_broker_thread_main (arg=0xa1af90) at rdkafka_broker.c:5237 #7 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #8 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x7f83dd32b700 (LWP 2705781)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83e8e548bd in cnd_timedwait () from /lib64/libpthread.so.0 #2 0x00007f83e0b675e5 in rd_kafka_q_pop_serve (rkq=0xa1acc0, timeout_us=, version=version@entry=0, cb_type=cb_type@entry=RD_KAFKA_Q_CB_RETURN, callback=callback@entry=0x0, opa que=opaque@entry=0x0) at rdkafka_queue.c:404 #3 0x00007f83e0b67700 in rd_kafka_q_pop (rkq=, timeout_us=, version=version@entry=0) at rdkafka_queue.c:428 #4 0x00007f83e0b4a62f in rd_kafka_broker_ops_serve (rkb=rkb@entry=0xa1a0a0, timeout_us=, timeout_us@entry=1000000) at rdkafka_broker.c:3350 #5 0x00007f83e0b4a76a in rd_kafka_broker_ops_io_serve (rkb=rkb@entry=0xa1a0a0, abs_timeout=, abs_timeout@entry=460270859401) at rdtime.h:257 #6 0x00007f83e0b4c5be in rd_kafka_broker_internal_serve (abs_timeout=460270859401, rkb=0xa1a0a0) at rdkafka_broker.c:3572 #7 rd_kafka_broker_serve (rkb=rkb@entry=0xa1a0a0, timeout_ms=, timeout_ms@entry=1000) at rdkafka_broker.c:5076 #8 0x00007f83e0b4cc8e in rd_kafka_broker_thread_main (arg=0xa1a0a0) at rdkafka_broker.c:5132 #9 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #10 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7f83ddb2c700 (LWP 2705780)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83e8e548bd in cnd_timedwait () from /lib64/libpthread.so.0 #2 0x00007f83e0b67a27 in rd_kafka_q_serve (rkq=0xa19b40, timeout_ms=, max_cnt=max_cnt@entry=0, cb_type=cb_type@entry=RD_KAFKA_Q_CB_CALLBACK, callback=callback@entry=0x0, opaqu e=opaque@entry=0x0) at rdkafka_queue.h:488 #3 0x00007f83e0b30684 in rd_kafka_thread_main (arg=0xa18b60) at rdkafka.c:2006 #4 0x00007f83e8e483ea in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7f83df111700 (LWP 2705779)): #0 0x00007f83e8e4e7da in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3ba443 in __gthread_cond_timedwait (__abs_timeout=0x7f83df110650, __mutex=0xa0e858, __cond=0xa0e828) at /usr/include/c++/8/x86_64-redhat-linux/bits/gthr-default.h:871 #2 std::condition_variable::__wait_until_impl > > (__atime=..., __lock=..., this=0xa0e828) at /u sr/include/c++/8/condition_variable:178 #3 std::condition_variable::wait_until > > (__atime=..., __lock= ..., this=0xa0e828) at /usr/include/c++/8/condition_variable:119 #4 std::condition_variable::wait_until >, MariaDBUserManager::updater_thread_function():: > (__p=..., __atime=..., __lock=..., this=0xa0e828) at /usr/include/c++/8/condition_variable:129 #5 MariaDBUserManager::updater_thread_function (this=0xa0e7d0) at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/protocol/MariaDB/user_data.cc:251 #6 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #7 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #8 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7f83df912700 (LWP 2705778)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d9063 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0x7fff62e2a368) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::run (this=0x7fff62e2a330) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:218 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7f83e0113700 (LWP 2705777)): #0 0x00007f83e8e4e878 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f83ea3d97e0 in maxbase::ConditionVariable::wait_for (d=..., guard=..., this=0x9cee40) at /usr/include/c++/8/bits/std_mutex.h:126 #2 maxbase::WatchdogNotifier::Dependent::Ticker::run (this=0x9cee00) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/watchdognotifier.cc:97 #3 0x00007f83e8041b73 in execute_native_thread_routine () from /lib64/libstdc++.so.6 #4 0x00007f83e8e482de in start_thread () from /lib64/libpthread.so.0 #5 0x00007f83e6d19e83 in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7f83eaa30f80 (LWP 2705776)): #0 0x00007f83e6d0aab4 in read () from /lib64/libc.so.6 #1 0x00007f83e6c9bac8 in __GI__IO_file_underflow () from /lib64/libc.so.6 #2 0x00007f83e6c9ce05 in _IO_default_xsgetn () from /lib64/libc.so.6 #3 0x00007f83e6c8f99b in fread () from /lib64/libc.so.6 #4 0x0000000000412593 in (anonymous namespace)::get_command_output_cb (cb=cb@entry=0x40db70 <::_FUN(const char *)>, format=0x41a4c8 "gdb --pid=%d -batch -nx -iex 'set au to-load off' -iex 'set print thread-events off' -ex 'thr a a bt'", format=0x41a4c8 "gdb --pid=%d -batch -nx -iex 'set auto-load off' -iex 'set print thread-events off' -ex 'thr a a bt'") at / home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/stacktrace.cc:79 #5 0x0000000000412cd7 in maxbase::dump_gdb_stacktrace (handler=0x40db70 <::_FUN(const char *)>) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/stackt race.cc:243 #6 0x000000000040d159 in sigfatal_handler (i=6) at /home/timofey_turenko_mariadb_com/MaxScale/server/core/gateway.cc:524 #7 #8 0x00007f83e6d1a1b7 in epoll_wait () from /lib64/libc.so.6 #9 0x00007f83ea3dd09a in maxbase::Worker::poll_waitevents (this=this@entry=0x7fff62e2ab50) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:1152 #10 0x00007f83ea3dd563 in maxbase::Worker::run (this=this@entry=0x7fff62e2ab50, pSem=pSem@entry=0x0) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/src/worker.cc:861 #11 0x000000000040b9b2 in maxbase::Worker::run (this=0x7fff62e2ab50) at /home/timofey_turenko_mariadb_com/MaxScale/maxutils/maxbase/include/maxbase/worker.hh:626 #12 main (argc=, argv=) at /home/timofey_turenko_mariadb_com/MaxScale/server/core/gateway.cc:2145 [Inferior 1 (process 2705776) detached] Writing core dump.