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3194320 - Infected with 11 at lt_notify_flush in ASE with database setup for replication - SAP ASE (SRS)

Symptom

  • For a database setup for replication
  • ASE errorlog reports a signal 11 at address lt_notify_flush 
  • Due to the affected spid, holding spinlock dbt_repl_context.repl_spinlock, ASE will go down immediately
  • Typical error log entries include :
        
    Current process (0x6fdd03f6) infected with signal 11 (SIGSEGV)
    Address 0x0x0000000000bd29de (lt_notify_flush+0x14f), siginfo (code, address) = (1, 0x0x0000000000000004)
       
    Spinlocks held by kpid 1876755446
    Spinlock Dbt->dbt_repl_context.repl_spinlock at address 0x00000001488cfa80 owned by 1876755446

    and a stack trace with functions
         
    lt_notify_flush
    xls_flush
    syslogs_flushlog
    finishlog
    xact__endxact
    xact__commitxact
    xact__commit_local

  • A full example of the error pattern is attached in file Full_sequence_lt_notify_flush.txt


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0
  • SAP Replication Server (SRS) 16.0
  • Third-party replication solutions, notably Fivetran HVR

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Replication Server 16.0

Keywords

CR826427, CR#826427, 826427, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  stack, registers , HVR , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BW-SYS-DB-SYB , BW on Adaptive Server Enterprise , BC-SYB-REP , Sybase Replication Server (standalone) , Known Error

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