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2845515 - Checkstorage fails with infected with 11 at pchk_fault - SAP ASE

Symptom

  • When running dbcc checkstorage
  • ASE errorlog reports a signal 11 at address pchk_fault
  • The ASE error log shows messages including:

Current process (0x8b0046) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001d2ecb3 (pchk_fault+0x343) ...

curcmd = 317 ...
   
WARNING: 1 buffer was found in a predirty state during the termination of spid 1234 ...     

and a stack trace with functions:

pchk_fault
pchk_chk_txt_chain
pchk_chk_txt_val_chains
pchk_links_work
pchk_links_main
pchk_wt_main
kw_member

  • After the stacktrace(s) are reported, the following is also seen:

Error: 9970, Severity: 20, State: 1
DBCC cannot update the finish time in dbcc_operation_log table for this operation(opid = '<opid>') of database '<database>'. This can be patched by executing sp_dbcc_patch_finishtime.

  • DBCC checkdb and checkalloc does not return any errors

  • A full example of errorlog entries is attached in file Full_Stack_KBA_2845515.txt


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 SP141
  • SAP Adaptive Server Enterprise (ASE) 16.0 SP03 PL07

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

checkstorage, worker processes, 9970 , parallel , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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