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2985124 - CHECKPOINT process is blocked after Error 834 - SAP ASE 16.0

Symptom

  • Checkpoint process is hanging on the invalid buffer after ASE reported Error 834 with the invalid status:

Error: 834, Severity: 20, State: 3
Illegal attempt to clean buffer: BUF=0x0x0000000beff5d848, MASS=0x0x0000000beff5d848, Buf#=0, page=0x0x000000039622c800, dbid=6, Mass vdevno=4, vpage=2042246, Buf lpage=2037126, Mass stat=0x5010001, Buf stat=0x2, size=2048, cid=0 ('default data cache'), Pinned xdes=0x0x00000001bdb36a70, spid=1956.

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

buffree
bufunkeep_do_decrement
bufunkeep_cache
removepage
row_delete

  Note: A complete stack trace is available under Attachments.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 

Product

SAP Adaptive Server Enterprise 16.0

Keywords

CR#821336, CR821336, 821336, stacktrace , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Bug Filed

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