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2844955 - Blocking spids with server becoming unresponsive - SAP ASE

Symptom

  • ASE has (many) blocking spids
     
  • Spids cannot be killed and return messages that latch is held:
    Killing spid: 123 will not be immediate because it is waiting for a latch held by spid: 456
  • Blocked connections build up and ASE may run out of user connections:
    Error: 1601, Severity: 17, State: 7
    There are not enough 'user connections' available to start a new process. Retry when there are fewer active users, or ask your System Administrator to reconfigure ASE with more user connections.
  • Stack traces may be observed as server becomes unresponsive:
    • Current process (0x442f03a5) infected with signal 8 (SIGFPE)
      Address s__collectdiagparam

    • Current process (0x2711009c) infected with signal 10 (SIGBUS)
       Address sortclean


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 SP13x / SP14x
  • Solaris
  • Setting for 'kernel mode' is process

Product

SAP Adaptive Server Enterprise 15.7

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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