2030011 - stacktraces with signal 11 in kstcpnetctlrCancelRequests() leaving the ASE server in a hung state -SAP ASE | SAP Knowledge Base Article

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2030011 - stacktraces with signal 11 in kstcpnetctlrCancelRequests() leaving the ASE server in a hung state -SAP ASE

Symptom

  • SAP Adaptive Server Enterprise (ASE) running in threaded kernel mode on the Linux or HPUX operating systems hit "infected with signal 11" in the kstcpnetctlrCancelRequests() module. For example:

kernel Current process (0x0) infected with signal 11 (SIGSEGV)
kernel Cannot send, host process disconnected: GLON19P10175 21348 suid: 393
kernel Address 0x0x000000000153dd4a (kstcpnetctlrCancelRequests+0x97), siginfo (code, address) = (1, 0x(nil))

  • The stack trace may include ulpspinlock() and the following modules:

kstcpnetctlrCancelRequests()
ksepollnetctlrWaitForCompletion()
iocRunController()
krtctskRun()

  • ASE becomes non-responsive.  

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Environment

SAP Adaptive Server Enterprise (ASE) 15.7.x

Product

SAP Adaptive Server Enterprise 15.7

Keywords

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

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