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2807757 - Unable to stop Rep Agent after timeslice error in HADR - SAP ASE

Symptom

  • Stopping Replication Agent reports a timeslice error with a stack trace and the Rep Agent hung:

timeslice -1001, current process infected at 0x3e0800ba5e (pthread_cond_timedwait+0x13e)

  • The stack trace includes the following modules:

sybnet_wait_rtn
np_wait_rtn
np_io_read
ct__tds_recvpkt
ct__tds_get_bytes
ct__tds_read_token
ct__tds_resproc
ct_async_exec_stack
ct__api_async     
ct_results
MSOCSSendMsg

  Note: A complete stack trace is available under Attachments.

  • The 'dbcc stacktrace' output for the hanging Rep Agent spid shows functions:

upyield
ra_ci_init_CI_lib
ra__ci_setup
ra_ci_main_thread

  • sap_disable_replication fails to complete.
  • The Active Replication server is down or unreachable.


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Environment

  • SAP Adaptive Server Enterprise 16.0
  • High Availability Disaster Recovery (HADR) 
  • SAP Replication Server (SRS) 16.0

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Replication Server 16.0

Keywords

CR819559, CR819560, CR#819559, CR#819560, 819559, 819560, RepServer, repagent, CHADR, BHADR, CR813523, CR#813523, 813523, trace, flag, traceflag, 9178, -T9178, staktrace, synchronous, stream , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-REP-SAP , Replication with SAP Suite / SAP BW , Bug Filed

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