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2752201 - Signal 11 in mempagecount_this_phdr() - SAP ASE

Symptom

  • A client process disconnects suddenly.
  • An "infected with signal 11" error in the module mempagecount_this_phdr() together with a stack trace is raised in the ASE server:

Current process (0x94d04a7) infected with signal 11 (SIGSEGV)
Address 0x0000000080635f1c (mempagecount_this_phdr), siginfo (code, address) = (1, 0x0000000000000086)

  • The stack trace includes the following functions:

mempagecount_this_phdr
s_cleanframe
fg_lock
mem_movetocss (under some circumstances)

  Note: A complete stack trace is available under Attachments.

  • There may also be a 1204 error for this spid immediately before the signal 11 message or some other indication that the command will be canceled. Or, the spid may have been killed using the kill command or died due to some other fatal error.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise Cluster Edition (ASE CE) 15.7

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition

Keywords

Sybase, ASEServer, SAPASE, dataserver, CR818325, CR#818325, 818325, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers , 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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