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2908677 - Error 835: Illegal attempt to change contents of buffer... - SAP ASE 16.0

Symptom

  • Error 835 with a stack trace is reported in the ASE errorlog:

Error: 835, Severity: 21, State: 11
Illegal attempt to change contents of buffer: BUF=0x0x00002d5682dc7a60, MASS=0x0x00002d5682dc7800, Buf#=2, page=0x0x00002d21e91a2000, dbid=39, Mass vdevno=202, vpage=16045360, Buf lpage=226272562, Mass stat=0x4000009, Buf stat=0x0, size=16384, cid=12 ('index_cache'), Pinned xdes=0x(nil), spid=0.

  • The stack trace includes functions:

smp_bufpredirty
bt__delrow
bt__logandinsdel
bt__delete
bt_delete
dol_ncdelete
dol_delete
row_delete

  Note: A complete stack trace is available under Attachments.

  • Error 835 may be followed by Errors 12313 and 6103:

Error: 12313, Severity: 21, State: 1
Internal error: Insert into page id 226272562 of index id 3 of table 'mytable' (id = 832002964) in database 'mydb' tried to replace undeleted RID (160533220,0) at slot 19 and ridposn 0. Try dropping and recreating the index.

Error: 6103, Severity: 17, State: 1
Unable to do cleanup for the killed process; received Msg 3300.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0

Product

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

Keywords

Sybase, ASEServer, SAPASE, dataserver, CR821042, CR#821042, 821042, DML , 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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