2421417 - ERROR #60028, #60037, #12022 in REP AGENT with stack trace - SRS 15.7 on AIX

• Replication Server shut down.
• When starting Rep Agents, encounter the following errors:

ERROR #60028 REP AGENT(PDS.PDB) - generic/sts/stsext.c(1601)
        Failure occured while checking the condition variable for the rs_columns Read/Write element. (3509)eneric/useful/sync.c.
ERROR #60028 REP AGENT(PDS2.PDB2) - eneric/useful/sync.c(6808)
        Failure occured while checking the condition variable for the rs_columns Read/Write element. (3509)eneric/useful/sync.c.
ERROR #60037 REP AGENT(PDS.PDB) - generic/sts/stsext.c(1608)
        Failed to release lock on sync element 'rs_columns'. Info 1
ERROR #60037 REP AGENT(PDS2.PDB2) - generic/sts/stsext.c(1869)
        Failed to release lock on sync element 'rs_columns'. Info 1
ERROR #60027 REP AGENT(PDS.PDB) - eneric/useful/sync.c(6812)
        The Rep Server failed in an attempt to unlock the mutex for sync element rs_columns. (6814)eneric/useful/sync.c.
ERROR #60027 REP AGENT(PDS2.PDB2) - eneric/useful/sync.c(6812)
        The Rep Server failed in an attempt to unlock the mutex for sync element rs_columns. (6814)eneric/useful/sync.c.
INTERNAL ERROR #12022 DSI(PDS.PDB) - eneric/exc/exchand.c(126)
         Internal error. Unable to free a resource of type '23' which was allocated at 'eneric/useful/sync.c(2682)'.
INTERNAL ERROR #12022 DSI(PDS2.PDB2) - eneric/exc/exchand.c(126)
        Internal error. Unable to free a resource of type '23' which was allocated at 'eneric/useful/sync.c(2682)'.
Thread DSI(PDS2.PDB2) infected with signal 6.

• This is followed by stack traces with functions:

_sts_get_obj ()
_nrm_norm_columns ()
nrm_normalize_residual ()
nrm_normalize_modification ()
_ex_process_lti_cmd ()
_ex_process_lang ()
ex_lang_handler ()

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• SAP Replication Server (SRS) 15.7.1
• AIX 7.1 TL4 SP3
• AIX 6.1 TL9 SP8

SAP Replication Server 15.7 ; SAP Sybase Replication Server 15.7, heterogeneous edition ; SAP Sybase Replication Server 15.7, option for IBM DB2 ; SAP Sybase Replication Server 15.7, option for Microsoft SQL Server ; SAP Sybase Replication Server 15.7, option for Oracle ; SAP Sybase Replication Server 15.7, real-time loading edition

signal, 6, crash, stacktrace, 7100-04-03-1642, CR805329, CR#805329, 805329, APAR IV94210 , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Problem