3289170 - Failure with signal 6 or11 when rollbacking a transaction , stack in mem_memFree() - SRS

• Repeated failures of SRS on runtime with heavy workload.
• DSI tries to rollback a transaction.  Different rollback scenarios observed:
  • ASE deadlock
    ERROR #1028 DSI EXEC(113(2) servername.database) - neric/dsi/dsiqmint.c(4870)
    Message from server: Message: 1205, State 1, Severity 13 -- 'Your server command (family id #0, process id #7601) encountered a deadlock situation. Please re-run your command.'
  • Concurrent REORG REBUILD
    ERROR #1028 DSI EXEC(113(1) servername.database) - eneric/dsi/dsiutil.c(451)
    Message from server: Message: 8233, State 1, Severity 16 -- 'REORG WITH ONLINE operation is in progress on the object 'mytable' in database 'database'. Retry your query later.'
  • Concurrent CREATE INDEX:
    ERROR #1028 DSI EXEC(113(1) servername.database) - eneric/dsi/dsiutil.c(451)
    Message from server: Message: 8233, State 1, Severity 16 -- 'CREATE INDEX WITH ONLINE operation is in progress on the object 'mytable' in database 'database'. Retry your query later.'
• RepServer crashes due to a DSI EXEC failure with Signal 11 or Signal 6 in the function mem_memFree().  Typical stack trace contains:
  mem_memFree
  mem_free
  cm_cancel_cmd_2
  cm_cancel_cmd
  cm_rollback_xact
  cm_giveup_connection
  _dsi_qm_cmd_fail
  dsie_ProcessMsgFromSched
  srv__start_function

• SAP Replication Server (SRS) 16.0
• SAP Adaptive Server Enterprise (ASE) 16.0 with Always-on Option (HADR)

CR824569, CR#824569, 824569, fault, segfault, stacktrace, stacktrc  , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Known Error