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2869028 - Checkpoint blocked after error 834 State 3 - SAP ASE

Symptom

  • ASE errorlog reports error 834 with state 3
  • The GC HK (housekeeper) process hangs, preventing the syslogs space to be released
  • Errorlog entries show:

Error: 834, Severity: 20, State: 3
Illegal attempt to clean buffer: ....

  • followed by a stack trace that includes the following functions:

buffree
bufunkeep_do_decrement
bufunkeep_cache
buf__elchousekeeping
buf_elcsearch
bufsearch_cache_getlatch
getpage_with_validation
bt__latchrootpage
bt__traverse
bt_delete
dol_ncdelete
dol_delete
row_delete

Note: A complete example of the stack trace is available under Attachments


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0
  • SAP Adaptive Server Enterprise Cluster Edition (ASE CE) 16.0

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition

Keywords

Sybase, ASEServer, SAPASE, dataserver, CR819340, CR#819340, 819340 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

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