JR28547: TRAP IN MSGIO.DLL WHEN ISSUING CSSTOP .

Communications Server for Windows, Version 6.1.2 -- Latest Fix Pack
Communications Server for Windows, Version 6.1.3 -- Latest Fixpack

APAR status

• Closed as program error.

Error description

• Just after issuing scheduled CSSTOP command, pcs_agnt.exe
  process caused access violation in MSGIO.DLL every few seconds
  continuously, possibly due to pcs_agnt.exe getting restarted
  automatically.
  Restarting the node did not stop this symptom. Drwtsn32.log
  was growing >2g consuming the hard disk. A reboot was required
  to recover.
  

Local fix

• reboot
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users.                                   *
  ****************************************************************
  * PROBLEM DESCRIPTION: Trap when stopping the node using       *
  *                      csstop.exe . Event log reports:         *
  *                      6124 : Application Failure              *
  *                      PCS_AGNT.EXE 6120.3.6292.793 in         *
  *                      MSGIO.DLL 6120.3.6292.793 at offset     *
  *                      000025F7.                               *
  ****************************************************************
  * RECOMMENDATION: reboot.                                      *
  ****************************************************************
  Message logging thread is associated with pcs_agnt process.
  Some time because of an unknown state, message logging
  thread incorrectly manipulates pointer leading to the
  trap.
  

Problem conclusion

• Code changed to correct pointer manipulations.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Modules/Macros

• MSGIO
  

Fix information

• Fixed component name

  COMM SERV NT 6.

• Fixed component ID

  5639F2503

Applicable component levels

• R612 PSY

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