PH49909: MQ FOR Z/OS: 5C6-00C90D06 ABEND IN CSQIMGE9

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• A 5C6-00C90D06 abend occurs in CSQIMGE9 due to a mismatch
  between a message IRH8 and IRH9. Both IRH are for persistent
  data.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
  *                 Release 2 Modification 0.                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: During deferred write processing, it is *
  *                      possible for an 5C6-00C90D06 abend to   *
  *                      occur.                                  *
  ****************************************************************
  The code which handles writing to the log was allowing the page
  set to get ahead of the log during deferred write processing.
  This caused the recovery code to not function properly and
  subsequently abend.
  

Problem conclusion

• The code has been changed to not allow the page set to get ahead
  of the log.
  

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:

  UI91883

Modules/Macros

• CSQJW101
  

Fix information

• Fixed component name

  IBM MQ Z/OS V9

• Fixed component ID

  5655MQ900

Applicable component levels

• R200 PSY UI91883

     UP23/06/15 P F306 ¢

Fix is available

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