Oct 11 15:21:10 teamd-core1 mysqld[32735]: 2021-10-11 15:21:10 2 [Note] WSREP: Synchronized with group, ready for connections Oct 11 15:22:06 teamd-core1 mysqld[32735]: mysqld: /home/buildbot/buildbot/build/mariadb-10.4.22/wsrep-lib/include/wsrep/client_state.hpp:668: int wsrep::client_state::bf_abort(wsrep::seqno): Assertion `mode_ == m_local || transaction_.is_streaming()' failed. Oct 11 15:22:06 teamd-core1 mysqld[32735]: 211011 15:22:06 [ERROR] mysqld got signal 6 ; Oct 11 15:22:06 teamd-core1 mysqld[32735]: This could be because you hit a bug. It is also possible that this binary Oct 11 15:22:06 teamd-core1 mysqld[32735]: or one of the libraries it was linked against is corrupt, improperly built, Oct 11 15:22:06 teamd-core1 mysqld[32735]: or misconfigured. This error can also be caused by malfunctioning hardware. Oct 11 15:22:06 teamd-core1 mysqld[32735]: To report this bug, see https://mariadb.com/kb/en/reporting-bugs Oct 11 15:22:06 teamd-core1 mysqld[32735]: We will try our best to scrape up some info that will hopefully help Oct 11 15:22:06 teamd-core1 mysqld[32735]: diagnose the problem, but since we have already crashed, Oct 11 15:22:06 teamd-core1 mysqld[32735]: something is definitely wrong and this may fail. Oct 11 15:22:06 teamd-core1 mysqld[32735]: Server version: 10.4.22-MariaDB-1:10.4.22+maria~bionic-log Oct 11 15:22:06 teamd-core1 mysqld[32735]: key_buffer_size=134217728 Oct 11 15:22:06 teamd-core1 mysqld[32735]: read_buffer_size=2097152 Oct 11 15:22:06 teamd-core1 mysqld[32735]: max_used_connections=4 Oct 11 15:22:06 teamd-core1 mysqld[32735]: max_threads=512 Oct 11 15:22:06 teamd-core1 mysqld[32735]: thread_count=23 Oct 11 15:22:06 teamd-core1 mysqld[32735]: It is possible that mysqld could use up to Oct 11 15:22:06 teamd-core1 mysqld[32735]: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 9580927 K bytes of memory Oct 11 15:22:06 teamd-core1 mysqld[32735]: Hope that's ok; if not, decrease some variables in the equation. Oct 11 15:22:06 teamd-core1 mysqld[32735]: Thread pointer: 0x0 Oct 11 15:22:06 teamd-core1 mysqld[32735]: Attempting backtrace. You can use the following information to find out Oct 11 15:22:06 teamd-core1 mysqld[32735]: where mysqld died. If you see no messages after this, something went Oct 11 15:22:06 teamd-core1 mysqld[32735]: terribly wrong... Oct 11 15:22:06 teamd-core1 mysqld[32735]: stack_bottom = 0x0 thread_stack 0x49000 Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x558e1928874e] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(handle_fatal_signal+0x515)[0x558e18cf9045] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7f8a2609f980] Oct 11 15:22:06 teamd-core1 mysqld[32735]: linux/raise.c:51(__GI_raise)[0x7f8a253affb7] Oct 11 15:22:06 teamd-core1 mysqld[32735]: stdlib/abort.c:81(__GI_abort)[0x7f8a253b1921] Oct 11 15:22:06 teamd-core1 mysqld[32735]: assert/assert.c:89(__assert_fail_base)[0x7f8a253a148a] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /lib/x86_64-linux-gnu/libc.so.6(+0x30502)[0x7f8a253a1502] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(_Z14wsrep_bf_abortP3THDS0_+0x51a)[0x558e18c6d99a] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(wsrep_thd_bf_abort+0x1f)[0x558e18c75a8f] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(+0xa3eaf1)[0x558e18ea8af1] Oct 11 15:22:06 teamd-core1 mysqld[32735]: /usr/sbin/mysqld(handle_manager+0x1f3)[0x558e18ad78a3] Oct 11 15:22:06 teamd-core1 mysqld[32735]: nptl/pthread_create.c:463(start_thread)[0x7f8a260946db] Oct 11 15:22:06 teamd-core1 mysqld[32735]: x86_64/clone.S:97(clone)[0x7f8a2549271f] Oct 11 15:22:06 teamd-core1 mysqld[32735]: The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains Oct 11 15:22:06 teamd-core1 mysqld[32735]: information that should help you find out what is causing the crash. Oct 11 15:22:06 teamd-core1 mysqld[32735]: Writing a core file... Oct 11 15:22:06 teamd-core1 mysqld[32735]: Working directory at /var/lib/mysql Oct 11 15:22:06 teamd-core1 mysqld[32735]: Resource Limits: Oct 11 15:22:06 teamd-core1 mysqld[32735]: Limit Soft Limit Hard Limit Units Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max cpu time unlimited unlimited seconds Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max file size unlimited unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max data size unlimited unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max stack size 8388608 unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max core file size 0 unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max resident set unlimited unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max processes 254396 254396 processes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max open files 32768 32768 files Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max locked memory 16777216 16777216 bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max address space unlimited unlimited bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max file locks unlimited unlimited locks Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max pending signals 254396 254396 signals Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max msgqueue size 819200 819200 bytes Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max nice priority 0 0 Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max realtime priority 0 0 Oct 11 15:22:06 teamd-core1 mysqld[32735]: Max realtime timeout unlimited unlimited us Oct 11 15:22:06 teamd-core1 mysqld[32735]: Core pattern: |/usr/share/apport/apport %p %s %c %d %P