Mar 20 17:00:07 node1 mysqld[31089]: 170320 17:00:07 [ERROR] mysqld got signal 11 ;

Mar 20 17:00:07 node1 mysqld[31089]: This could be because you hit a bug. It is also possible that this binary

Mar 20 17:00:07 node1 mysqld[31089]: or one of the libraries it was linked against is corrupt, improperly built,

Mar 20 17:00:07 node1 mysqld[31089]: or misconfigured. This error can also be caused by malfunctioning hardware.

Mar 20 17:00:07 node1 mysqld[31089]: To report this bug, see https://mariadb.com/kb/en/reporting-bugs

Mar 20 17:00:07 node1 mysqld[31089]: We will try our best to scrape up some info that will hopefully help

Mar 20 17:00:07 node1 mysqld[31089]: diagnose the problem, but since we have already crashed,

Mar 20 17:00:07 node1 mysqld[31089]: something is definitely wrong and this may fail.

Mar 20 17:00:07 node1 mysqld[31089]: Server version: 10.1.22-MariaDB-1~xenial

Mar 20 17:00:07 node1 mysqld[31089]: key_buffer_size=134217728

Mar 20 17:00:07 node1 mysqld[31089]: read_buffer_size=2097152

Mar 20 17:00:07 node1 mysqld[31089]: max_used_connections=54

Mar 20 17:00:07 node1 mysqld[31089]: max_threads=1026

Mar 20 17:00:07 node1 mysqld[31089]: thread_count=41

Mar 20 17:00:07 node1 mysqld[31089]: It is possible that mysqld could use up to

Mar 20 17:00:07 node1 mysqld[31089]: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 6455868 K  bytes of memory

Mar 20 17:00:07 node1 mysqld[31089]: Hope that's ok; if not, decrease some variables in the equation.

Mar 20 17:00:07 node1 mysqld[31089]: Thread pointer: 0x0

Mar 20 17:00:07 node1 mysqld[31089]: Attempting backtrace. You can use the following information to find out

Mar 20 17:00:07 node1 mysqld[31089]: where mysqld died. If you see no messages after this, something went

Mar 20 17:00:07 node1 mysqld[31089]: terribly wrong...

Mar 20 17:00:07 node1 mysqld[31089]: stack_bottom = 0x0 thread_stack 0x48400

Mar 20 17:00:07 node1 mysqld[31089]: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x5591b2d68d9e]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/sbin/mysqld(handle_fatal_signal+0x2f5)[0x5591b28b62d5]

Mar 20 17:00:07 node1 mysqld[31089]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7f75942d6390]

Mar 20 17:00:07 node1 mysqld[31089]: /lib/x86_64-linux-gnu/libpthread.so.0(pthread_mutex_lock+0x4)[0x7f75942ced44]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/x86_64-linux-gnu/libjemalloc.so.1(+0x2918a)[0x7f7594ff418a]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/x86_64-linux-gnu/libjemalloc.so.1(+0x295e5)[0x7f7594ff45e5]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN5boost6detail17sp_counted_impl_pISt6vectorIhSaIhEEE7disposeEv+0x17)[0x7f759083f657]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(+0x1846ea)[0x7f75908c96ea]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN5gcomm13AsioTcpSocket12read_handlerERKN4asio10error_codeEm+0x705)[0x7f75908d1555]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN4asio6detail7read_opINS_19basic_stream_socketINS_2ip3tcpENS_21stream_socket_serviceIS4_EEEEN5boost5arrayINS_14mutable_bufferELm1EEENS8_3_bi6bind_tImNS8_4_mfi3mf2ImN5gcomm13AsioTcpSocketERKNS_10error_codeEmEENSC_5list3INSC_5valueINS8_10shared_ptrISH_EEEEPFNS8_3argILi1EEEvEPFNSR_ILi2EEEvEEEEENSD_IvNSF_IvSH_SK_mEESY_EEEclESK_mi+0x4bb)[0x7f75908e289b]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN4asio6detail23reactive_socket_recv_opINS0_17consuming_buffersINS_14mutable_bufferEN5boost5arrayIS3_Lm1EEEEENS0_7read_opINS_19basic_stream_socketINS_2ip3tcpENS_21stream_socket_serviceISB_EEEES6_NS4_3_bi6bind_tImNS4_4_mfi3mf2ImN5gcomm13AsioTcpSocketERKNS_10error_codeEmEENSF_5list3INSF_5valueINS4_10shared_ptrISK_EEEEPFNS4_3argILi1EEEvEPFNSU_ILi2EEEvEEEEENSG_IvNSI_IvSK_SN_mEES11_EEEEE11do_completeEPNS0_15task_io_serviceEPNS0_25task_io_service_operationESN_m+0x1b4)[0x7f75908e2ea4]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN4asio6detail13epoll_reactor16descriptor_state11do_completeEPNS0_15task_io_serviceEPNS0_25task_io_service_operationERKNS_10error_codeEm+0x168)[0x7f75908d7b68]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN5gcomm12AsioProtonet10event_loopERKN2gu8datetime6PeriodE+0x79a)[0x7f75908f471a]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN9GCommConn3runEv+0xc4)[0x7f759090a174]

Mar 20 17:00:07 node1 mysqld[31089]: /usr/lib/galera/libgalera_smm.so(_ZN9GCommConn6run_fnEPv+0x9)[0x7f7590911e49]

Mar 20 17:00:07 node1 mysqld[31089]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7f75942cc6ba]

Mar 20 17:00:07 node1 mysqld[31089]: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f759397782d]

Mar 20 17:00:07 node1 mysqld[31089]: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains

Mar 20 17:00:07 node1 mysqld[31089]: information that should help you find out what is causing the crash.