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3118550 - "ksMuxSchedQFindTask found NULL procp, taskp 0x....." messages flood in ASE errorlog - SAP ASE

Symptom

  • ASE errorlog may be flooded with a lot of message "ksMuxSchedQFindTask found NULL procp, taskp 0x....." when killing parent and worker processes doing dbcc checkstorage.
  • You may be able to find the following messages in the errorlog.

            server  Process id <spid> killed by Hostname <host name>, Host process id <host process ID>.
            server  Process id <spid> killed by Hostname <host name>, Host process id <host process ID>.
            kernel  worker <hexadecimal address>, uwwait() returned -7
            server  Process id <spid> killed by Hostname <host name>, Host process id <host process ID>.
            kernel  ksMuxSchedQFindTask found NULL procp, taskp <hexadecimal address>
            kernel  ksMuxSchedQFindTask found NULL procp, taskp <hexadecimal address>
            kernel  ksMuxSchedQFindTask found NULL procp, taskp <hexadecimal address>


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7

Product

SAP Adaptive Server Enterprise 15.7

Keywords

825820, CR#825820, CR825820, ksMuxSchedQFindTask, uwwait, b_cerrlog_uio, kcerrlog , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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