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2479691 - Infected with Signal 11 in des__free_txrcoldes - SAP ASE

Symptom

  • Client process unexpectedly disconnected.
  • ASE errorlog contains an infected with signal 11 (SIGSEGV) error in the function des__free_txrcoldes() followed by a stacktrace :

    Current process (0x1b103cf) infected with signal 11 (SIGSEGV)
    Address 0x0x0000000000d9dceb (des__free_txrcoldes+0x4b), siginfo (code, address) = (1, 0x(nil))
  • The stacktrace can be empty or it may show some or all of the following modules:

    des__free_txrcoldes
    des
    des_do_get
    open__lookup
    open__byname
    open_user_table

  Note: An example of a complete stacktrace is available in Attachments.

  • The ASE errorlog may also show this warning message:
    Increase the config parameter 'number of open objects' to avoid descriptor reuse. Reuse may result in performance degradation.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 & 16.0
  • SAP Adaptive Server Enterprise Cluster Edition (ASE CE) 15.7 & 16.0

Product

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

Keywords

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stack, registers, CR800965, CR#800965, 800965, configuration, open objects , 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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