Symptom
- ASE errorlog contains 834 error:
Error: 834, Severity: 20, State: 4
Illegal attempt to clean buffer: BUF=0x0x00000004d933f4a0, MASS=0x0x00000004d933f4a0, Buf#=0, page=0x0x0000000485ad0000, dbid=19, Mass vdevno=34, vpage=582400, Buf lpage=194400, Mass stat=0x201008, Buf stat=0x1, size=16384, cid=0 ('default data cache'), Pinned xdes=0x(nil), spid=0. - As a result connection(s) hang on when trying to access this buffer
- The error on the log does not include a stack
- But when running dbcc stacktrace or memory dump analysis, the stack reported includes:
cm_dbclean
bufdbclean
dbt_removeall
dbt_get
dbt_get_with_statuscheck
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Environment
SAP Adaptive Server Enterprise (ASE)
Product
SAP Adaptive Server Enterprise 16.0
Keywords
834, hanging, Sybase, ASEServer, SAPASE, dataserver, CR821795, CR#821795, 821795 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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