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2409248 - ASE crash after uppwakeup: kpid not within range / signal 11 at upprekill - ASE


  • ASE abruptly terminates
  • When running in process kernel mode
  • With errorlog reporting some or all of the following messages :
    • uppwakeup: kpid = -1073645393 not within range
    • Current process infected with signal 11 (SIGSEGV)
      Address 0x0x00000000016646be (upprekill+0x4e)
      Address 0x0x0000000001664d11 (kpproc_kill+0xb1)
    • kechkfault: engine #: scheduler infected with signal 11 (SIGSEGV)



  • SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0
  • Running in process kernel mode


SAP Sybase IQ 15.4


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

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