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2958090 - Server crash due to signal 11 on kbfalloc with spinlock RAMEM_SPIN - SAP ASE

Symptom

  • ASE crash due to signal 11 at kbfalloc with spinlock RAMEM_SPIN
  • ASE errorlog show error sequence with:

    Current process (0x14870636) infected with signal 11 (SIGSEGV)
    Address 0x000000008050eb04 (kbfalloc+0x204)

  • Showing a stack trace including

    kbfalloc
    ubfallocf
    ra_mempool_alloc_internal
    ra_malloc_mempool
    ra__schema_alloc_col
    ra_schema_alloc
    ra__new_schema
    ra_get_schema
    ra__process_xchange

  • The server crashes because the spid is holding spinlock:

    Spinlocks held by  kpid 123456
    Spinlock RAMEM_SPIN at address ...

  • There may be preceding messages that Rep Agent was suspended:
    RepAgent(16): Received the following error message from the Replication Server: Msg 14040. Replication Agent for efatura.EFATURA_ISLEM has been Suspended. Disconnecting Replication Agent..


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 SP02 & SP03
  • SAP Replication Server (SRS) 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

SUSPEND LOG TRANSFER RESUME LOG TRANSFER Spinlocks held RAMEM_SPIN kbfalloc ubfallocf ra_mempool_alloc_internal ra_malloc_mempool ra__schema_alloc_col ra_schema_alloc ra__new_schema ra_get_schema ra__process_xchange CR 822444 CR822444 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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