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2822049 - RAT-CI fails with Signal 11 in _MSOCSProdMsgSetup() - SRS 16.0

Symptom

  • ASE Rep Agent Thread (RAT) in CI mode fails with an "infected with Signal 11" error in the module _MSOCSProdMsgSetup() with a stack trace:

Current process (0x0) infected with signal 11 (SIGSEGV)
Address 0x0x00007f304c766ad5 (_MSOCSProdMsgSetup+0x3b), siginfo (code, address) = (1, 0x0x00000000000004b8)

  • There are different ways this error is reported and some varities may cause ASE to shutdown
  1. Stack trace includes functions:

kbctException
krtctskException
upsleepgeneric
ubcWaitForCompletion
undo_blockingcall_thread
ra_ci_send_CI_message
ra_ci_send_mode_switch_message
ra__ci_background_task_wait_for_srs_ack

ra__ci_background_task

  Note: A complete stack trace is available under Attachments.

  • Error 9219 is reported after the stack trace:

Error: 9219, Severity: 20, State: 479
RepAgent(n): Internal coding error.

  1. Stack trace includes

    _MSOCSProdMsgSetup
    STSendMsgs
    ra__ci_call_SendMsgs_unblocking
  • And is preceded by error 9414

    Error: 9414, Severity: 20, State: 1
    RepAgent(6): Streaming replication stream CI Library error -1 with severity 2 and message 'Producer receiver 'ASE_name' failed to receive data, shutting down transport to 'host_details'.'.
    Rep Agent detected error 3 with message 'Unknown' at line 3653 in file ra_ci_scanner.c.

  • ASE can shutdown due to spinlocks held

    Spinlocks held by taskblock 0x7fc65b1c31d8

    Spinlock tablockspins at address 0x00007fc659e27980 owned by 0x7fc65b1c31d8
    Spinlock fglockspins at address 0x00007fc659e29400 owned by 0x7fc65b1c31d8


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 SP03 for Business Suite
  • SAP Replication Server (SRS) 16.0
  • High Availability Disaster Recovery (HADR)

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Replication Server 16.0

Keywords

RAT-CI, core, CR813899, 813899, CR#813899, CR819781, CR#819781, 819781, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers , MSOCSProdMsgSetup , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-REP-SAP , Replication with SAP Suite / SAP BW , Bug Filed

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