Debug assert in smartrouter

2022-02-22 07:25:12   error  : (17) [smartrouter] (SQ) routeQuery() in wrong state. clusters busy = true

2022-02-22 07:25:12   error  : (17) [smartrouter] (SQ) debug assert at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/routing/smartrouter/smartsession.cc:105 failed: false

debug assert at /home/timofey_turenko_mariadb_com/MaxScale/server/modules/routing/smartrouter/smartsession.cc:105 failed: false

alert  : MaxScale 2.5.20 received fatal signal 6. Commit ID: b1fb6a0c918743b9481aa5a69db801b67eeeac8e System name: Linux Release string: Red Hat Enterprise Linux Server release 7.9 (Maipo)

2022-02-22 07:25:12   alert  : (17) (SQ) MaxScale 2.5.20 received fatal signal 6. Commit ID: b1fb6a0c918743b9481aa5a69db801b67eeeac8e System name: Linux Release string: Red Hat Enterprise Linux Server release 7.9 (Maipo)

2022-02-22 07:25:12   alert  : (17) (SQ) Statement currently being classified: none/unknown

2022-02-22 07:25:12   notice : (17) (SQ) For a more detailed stacktrace, install GDB and add 'debug=gdb-stacktrace' under the [maxscale] section.

2022-02-22 07:25:12   error  : Write failed, dcb is closed.

2022-02-22 07:25:12   error  : Write failed, dcb is closed.

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

  /usr/lib64/maxscale/libsmartrouter.so(_ZN18SmartRouterSession10routeQueryEP5GWBUF+0x426): server/modules/routing/smartrouter/smartsession.cc:105 (discriminator 5)

  /usr/lib64/maxscale/libsmartrouter.so(_ZN8maxscale6RouterI11SmartRouter18SmartRouterSessionE10routeQueryEP10mxs_routerP18mxs_router_sessionP5GWBUF+0x48): include/maxscale/router.hh:433 (discriminator 4)

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN15ServiceEndpoint10routeQueryEP5GWBUF+0x13f): server/core/service.cc:1460

  /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7Session10routeQueryEP5GWBUF+0x38): server/core/session.cc:1343

  /usr/lib64/maxscale/libmariadbclient.so(_ZN23MariaDBClientConnection15route_statementEON8maxscale6BufferE+0x272): server/modules/protocol/MariaDB/mariadb_client.cc:1288

  /usr/lib64/maxscale/libmariadbclient.so(_ZN23MariaDBClientConnection21process_normal_packetEON8maxscale6BufferE+0xed): server/modules/protocol/MariaDB/mariadb_client.cc:2494

  /usr/lib64/maxscale/libmariadbclient.so(_ZN23MariaDBClientConnection19process_normal_readEv+0x19e): server/modules/protocol/MariaDB/mariadb_client.cc:1345

  /usr/lib64/maxscale/libmariadbclient.so(_ZN23MariaDBClientConnection17ready_for_readingEP3DCB+0x1bc): server/modules/protocol/MariaDB/mariadb_client.cc:1464

  /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+0x2f): server/core/dcb.cc:1345

  /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(+0x4e1c4f): thread48.o:?

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

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

alert  : Writing core dump.