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2439610 - Signal 11 in des_checkpoint() with spinlocks held - SAP ASE for Business Suite

Symptom

  • SAP ASE crashes abruptly while running varied operations.
  • ASE errorlog reports "infected with signal 11" errors in the module des_checkpoint() with stack traces:

Current process (0x15000b) infected with signal 11 (SIGSEGV)
Address 0x0000000100af3a80 (des_checkpoint.fdpr.chunk.20+0x7c), siginfo (code, address) = (50, 0xfffffffffffffdd8)

  • Stack trace includes the following functions:

des_checkpoint
checkpoint
dpdb_main

  Note: A complete stack trace is available under Attachments.

  • Terminated processes (spids) leave unreleased Dbtable->dbt_defpipebufgpspin spinlocks, for example:

Spinlocks held by kpid 43451045 
Spinlock Dbtable->dbt_defpipebufgpspin at address 0x0000000145dc2b80 owned by 43451045

  • Which results in ASE crashes.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
  • SAP NetWeaver (NW) - All versions 
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0 ; SAP NetWeaver 7.4

Keywords

CR803834, CR#803834, 803834, "number of open partitions", SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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