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

• 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

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

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