3010391 - Signal 11 in function .aix_get_lock when drop a connection or purging a queue - SRS 16.0

•  Execution of the command "drop connection" to standby database fails with Error 60036:

drop connection to STANDBY_ASE.DB_NAME
go
Msg 60036, Level 12, State 0:
Server 'REP_SERVER_NAME':
Failed to acquire lock on sync element 'UNKNOWN'. Info 21.

• Same problem can also happen when trying to purge the queue manually with command "sysadmin sqm_purge_queue".
• This usually happens when there is large stable device(s), and it contains much data.
• The following stacktrace is also printed in the errorlog:

The DSI thread for database 'ACTIVE_ASE.DB_NAME' is shutdown.
(44): CatchUpQ is dropped right away
The DSI thread for database 'STANDBY_ASE.DB_NAME' is shutdown.
(44): CatchUpQ is dropped right away
DIST for 'STANDBY_ASE.DB_NAME' is waiting for SQM(s) to flush to outbound queue(s).
SQM stopping: 106:0 LDS_DB_NAME.LDB_DB_NAME
SQM stopping: 106:1 LDS_DB_NAME.LDB_DB_NAME
Purging Queue 106:1
Thread USER(sa) infected with signal 11.
../..
Dumping memory trace.
***************STACK TRACE***************
*****thread USER(sa)*******
.exc__appDumpStack ()
.exc_terminate_my_thread ()
.exc_terminate_thread ()
.bsd_catch_signal ()
.aix_get_lock ()
._sync_lockheld ()
._sqm_check_warnings ()
.sqm_delete_queue_segments ()
.sqm_purge_queue ()
._ddl_drop_db ()
._ddl_db ()
.ddl_exec_cmd ()
.ddl_exec_cmd_wrapper ()
._ex_process_cmds ()
._ex_process_lang ()
.ex_lang_handler ()
.srv__exechandler ()
.srv__runclient ()
.srv__connhandle ()
.srv__start_function ()
*****End of stack trace.****

SAP Replication Server (SRS) 16.0

RepServer, 60031, CR#823950, 823950, CR823950 , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed