PH47420: 5C6-00E20045 ABEND ISSUED BY CSQP1CON

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• MQ 9.1 LTS QMGR failed to start. Same issue with
  PI78228 (v8.0) and PI82153 (v9.0).
  .
  You could received 5C6-00E20045 abend
  issued by CSQP1CON is due to a timing
  condition where the attempt to connect to
  page set 0 and allocate its buffer pool
  has occurred before the 64-bit subpool task
  (CSQSP64T) has completed initialisation, and
  hence GPVT.P64PHB is still 0 when there is
  an attempt to expand the BDSC (pPHB_BDSC)
  subpool.
  .
  DUMP TITLE
  ABN=5C6-00E20045,U=SYSOPR ,
  C=MQ900.910.BUFF-CSQP1CON,M=CSQGFRCV,
  LOC=CSQPLPLM.CSQP1CON
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
  *                 Release 1 Modification 0, Release 2          *
  *                 Modification 0 and Release 3 Modification 0. *
  ****************************************************************
  * PROBLEM DESCRIPTION: Abend S5C6-00E20045 in CSQP1CON at      *
  *                      queue manager startup.                  *
  ****************************************************************
  Due to a timing/serialization issue, an S5C6-00E20045 abend may
  occur at queue manager startup due to an internal storage
  control block failing to be initialized before being used by a
  task that is executing asynchronously.
  
  Following the abend, the queue manager may terminate with
  message CSQV086E REASON=00D96001
  

Problem conclusion

• Processing has been amended to ensure that the storage control
  block is initialized before being referenced by any other tasks.
  

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:

  UI81933 UI81934 UI81935

Modules/Macros

• CSQSFACL CSQSP64T
  

Fix information

• Fixed component name

  IBM MQ Z/OS V9

• Fixed component ID

  5655MQ900

Applicable component levels

• R100 PSY UI81935

     UP22/09/17 P F209 ¢

• R200 PSY UI81934

     UP22/09/17 P F209 ¢

• R300 PSY UI81933

     UP22/09/17 P F209 ¢

Fix is available

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