2021-10-21 11:02:57   error  : (1) Unexpected result state. cmd: 0x00, len: 7 server: server1

2021-10-21 11:02:57   error  : (1) debug assert at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/protocol/MariaDB/mariadb_backend.cc:1875 failed: !true

debug assert at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/protocol/MariaDB/mariadb_backend.cc:1875 failed: !true

alert  : MaxScale 2.5.17 received fatal signal 6. Commit ID: 451360e660990a29e42c66b45cb1f27d79d31d04 System name: Linux Release string: Red Hat Enterprise Linux Server release 7.9 (Maipo)

2021-10-21 11:02:57   alert  : (1) MaxScale 2.5.17 received fatal signal 6. Commit ID: 451360e660990a29e42c66b45cb1f27d79d31d04 System name: Linux Release string: Red Hat Enterprise Linux Server release 7.9 (Maipo)

2021-10-21 11:02:57   alert  : (1) Statement currently being classified: none/unknown

alert  :   /lib64/libpthread.so.0(raise+0x2b): ??:?

  /usr/lib64/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection18process_one_packetEN8maxscale6Buffer8iteratorES2_j+0x294): server/modules/protocol/MariaDB/mariadb_backend.cc:1877 (discriminator 5)

  /usr/lib64/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection15process_packetsEPP5GWBUF+0x2ad): server/modules/protocol/MariaDB/mariadb_backend.cc:1825

  /usr/lib64/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection14track_responseEPP5GWBUF+0x24): server/modules/protocol/MariaDB/mariadb_backend.cc:1458

  /usr/lib64/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection11normal_readEv+0x451): server/modules/protocol/MariaDB/mariadb_backend.cc:594

  /usr/lib64/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection17ready_for_readingEP3DCB+0x1fc): server/modules/protocol/MariaDB/mariadb_backend.cc:385

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB14process_eventsEj+0x579): server/core/dcb.cc:1293

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB13event_handlerEPS_j+0x85): server/core/dcb.cc:1358

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB12poll_handlerEP13MXB_POLL_DATAP10MXB_WORKERj+0x53): server/core/dcb.cc:1384

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x452): maxutils/maxbase/src/worker.cc:877

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x135): maxutils/maxbase/src/worker.cc:572

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker11thread_mainEPS0_PNS_9SemaphoreE+0x23): maxutils/maxbase/src/worker.cc:697

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZSt13__invoke_implIvPFvPN7maxbase6WorkerEPNS0_9SemaphoreEEJS2_S4_EET_St14__invoke_otherOT0_DpOT1_+0x4c): /opt/rh/devtoolset-7/root/usr/include/c++/7/bits/invoke.h:60

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZSt8__invokeIPFvPN7maxbase6WorkerEPNS0_9SemaphoreEEJS2_S4_EENSt15__invoke_resultIT_JDpT0_EE4typeEOS8_DpOS9_+0x57): /opt/rh/devtoolset-7/root/usr/include/c++/7/bits/invoke.h:95

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS2_9SemaphoreEES4_S6_EEE9_M_invokeIJLm0ELm1ELm2EEEEDTcl8__invokespcl10_S_declvalIXT_EEEEESt12_Index_tupleIJXspT_EEE+0x5f): /opt/rh/devtoolset-7/root/usr/include/c++/7/thread:234

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS2_9SemaphoreEES4_S6_EEEclEv+0x1d): /opt/rh/devtoolset-7/root/usr/include/c++/7/thread:243

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJPFvPN7maxbase6WorkerEPNS3_9SemaphoreEES5_S7_EEEEE6_M_runEv+0x1c): /opt/rh/devtoolset-7/root/usr/include/c++/7/thread:186

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x4dcedf): thread48.o:?

  /lib64/libpthread.so.0(+0x7ea5): pthread_create.c:?

  /lib64/libc.so.6(clone+0x6d): ??:?