PI47754: ZERO HIGH HALF OF REGISTERS BEFORE CALLING VSAM

Obtain the fix for this APAR.

APAR status

• Closed as new function.

Error description

• Code will be added to zero the high half of the CQM registers
  prior to calling VSAM.  VSAM now supports 64 bit addressing mode
  and CQM wants to completely eliminate any exposure of VSAM
  inadvertently touching the CQM application memory should VSAM
  forget to load a high half of a register during its processing.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of DB2 Query Monitor.                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: Code will be added to zero the high     *
  *                      half of the CQM registers prior to      *
  *                      calling VSAM.  VSAM now supports 64     *
  *                      bit addressing mode and CQM wants to    *
  *                      completely eliminate any exposure of    *
  *                      VSAM inadvertently touching the CQM     *
  *                      application memory should VSAM          *
  *                      forget to load a high half of a         *
  *                      register during its processing.         *
  ****************************************************************
  * RECOMMENDATION: APPLY the PTF.                               *
  ****************************************************************
  Code has been changed to correct this condition.
  

Problem conclusion

Temporary fix

Comments

• APPLY the PTF.
  

APAR Information

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

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

  UI32797 UI32798

Modules/Macros

• CQMTTXTX
  

Fix information

• Fixed component name

  DB2 QUERY MONIT

• Fixed component ID

  5655E6701

Applicable component levels

• R310 PSY UI32797

     UP15/11/12 P F511

• R320 PSY UI32798

     UP15/11/12 P F511

Fix is available

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