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2307392 - Timeslice in des_checkpoint_flush_sysstats() - SAP ASE

Symptom

  • The ASE errorlog reports a timeslice with process infected in the module des_checkpoint_flush_sysstats():

timeslice -1001, current process infected at 0xe63ae8 (des_checkpoint_flush_sysstats+0x2b8)
timeslice error: spid xx exhausted its 'time slice' of xxx milliseconds and additional 'cpu grace time' of 1000 ticks (100000 milliseconds). It has been marked for termination.

  • While the process is holding a spinlock:

Spinlock Dbtable->dbt_defpipebufgpspin at address 0x0000000144216c80 owned by xxxxxx

  • The timeslice error is followed by a stacktrace including modules:

kitermproc
sysstats_hk_flushstats
hk_chores_proc

  Note: A complete stack trace is available under Attachments

  • Finally, an ASE server crashes:

ueshutdown: exiting


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

CR#795239, 795239, CR795239, CR#797745, CR 797745, 797745, metadata cache , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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