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2109713 - Timeslice error with a Page Fault error message - SAP ASE


  • The ASE errorlog contains messages like this:
    timeslice -501, current process infected at <hex address> (<function name>)
    This Adaptive Server process has had 342281 major and 0 minor page faults since boot.

    timeslice -2133, current process infected at ffffffff7c7dbf60 (_so_accept+0x8)
    Listener with protocol tcp, host dspwmp5, port 10000 has been terminated due to timeslice error. You can start a new listener on the same port.
    This Adaptive Server process has had 4231 major and 0 minor page faults since boot.
  • These messages can also show up in sp_sysmon reports even without a timeslice and stacktrace in the ASE errorlog:
    Page Faults at OS          per sec   per xact     count   % of total
    -------------------------          --------     ----------     --------     -------
      Minor Faults                        0.6           0.4          69      100.0 %
      Major Faults                        0.0           0.0            0         0.0 %
    -------------------------          --------    ----------      --------     -------
    Total Page Faults                 0.6           0.4          69      100.0 %
  • The stacktrace may include spinlock functions like atomic_try.



SAP Adaptive Server Enterprise (ASE)


SAP Adaptive Server Enterprise all versions


swap , swapping , virtual memory , stack trace , RAM , lock shared memory, sparc_lock , so_accept, ram pages, allocate, poor performance, spinlock, memory contention, slow disk response, HugePages, Huge Pages, major faults , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , How To

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