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2461158 - Replication Agent is down with Signal 11 at ps_dl_ncmp - SAP ASE

Symptom

  • Replication Agent is down due to hitting "Infected with signal 11" in the module ps_dl_ncmp() :

Current process (0x120500d8) infected with signal 11 (SIGSEGV)
Address 0x40000000047cd0f0 (ps_dl_ncmp+0x3c0), siginfo (code, address) = (2, 0x0000000000000000)

  • In ASE 15.7 SP63, the stacktrace shows the following functions:

ps_dl_ncmp
ra__pack_cmd_request
ra_pack_command
a_distribute_ltl
ra_distribute_log
ra__process_request
ra__process_xexecend
ra_process_lr
rep_agent_thread

  • In ASE 16 SP02 PL05, the following error is reported in the ASE errorlog and Replication Server also report errors
     
    • In the ASE errorlog:

      Started Rep Agent on database, 'db1' (dbid = 5)
      RepAgent(5): The Replication Server LTL version should be at least 791 for full support of features. (Replication server LTL version 790, Rep Agent LTL version 791).
      RepAgent(5): Turning Batch mode off.
      RepAgent(5): Received the following error message from the Replication Server: Msg 2057. Line 1, character 439: Incorrect syntax with the keyword 'distribute'..
      RepAgent(5): The Replication Server LTL version should be at least 791 for full support of features. (Replication server LTL version 790, Rep Agent LTL version 791).
      RepAgent(5): Error in passthru packet: 'distribute 4 0x00000000000068950001920500010001920400140000a763009838b600000000,6 0x0000000000006882001442523136737030325f706c30355f686632646231  '.
      RepAgent(5): Received the following error message from the Replication Server: Msg 2056. Line 1, character 83: Incorrect syntax with ''..
      Error: 9261, Severity: 20, State: 0
      RepAgent(5): This Rep Agent Thread is aborting due to an unrecoverable communications or Replication Server error.
      Rep Agent Thread for database 'db1' (dbid = 5) terminated abnormally with error. (major 92, minor 61)

    • In the SRS SP305 log:
       
      The DSI thread for database 'dsname.db1' is started.
      The LTL stream buffer's contents: (50 characters printed per line)
      L001: distribute 1 ~*620170428 09:14:13:300,4 0x00000000
      L001: 000068820001920400140001920400140000a763009838b600
      L001: 000000,6 0x0000000000006882001442523136737030325f7
      L001: 06c30355f686632646231 begin transaction ~")_logexe
      L001: c for ~"#sa-~#"#0x010673d37b6d82222266111105b74c7b
      L001: fb367db275639d5008087a7e76b9e981 osid 21  distribu
      L001: te 4 0x0000000000006895000192050001000192040014000
      L001: 0a763009838b600000000,6 0x000000000000688200144252
      L001: 3136737030325f706c30355f686632646231  distribute
      ERROR #2057 REP AGENT(dsname.db1) - de/generic/prs/sql.y(25700)
              Line 1, character 439: Incorrect syntax with the keyword 'distribute'.
      Replication Agent for dsname.db1 connected in passthru mode.
      The LTL stream buffer's contents: (50 characters printed per line)
      L001:
      L001: 20400140000a763009838b600000000,6 0x00000000000068
      L001: 82001442523136737030325f706c30355f686632646231
      ERROR #2056 REP AGENT(dsname.db1) - de/generic/prs/sql.y(25676)
              Line 1, character 83: Incorrect syntax with ''.

Read more...

Environment

  • SAP Adaptive Server Enteprise (ASE) 15.7 and 16.0
  • SAP Replication Server (SRS) 15.7

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Replication Server 15.7

Keywords

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stack, registers, CR807722, CR#807722, 807722, rs_marker , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed

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