PK21080: LOOP IN CQMMEXCW AT OFFSET X'645A'

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• A loop can occur in module CQMMEXCW at offset x'645A'.
  Excessive CPU utilization may occur in DB2 workloads, while QM
  data collector is running.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of DB2 Query Monitor.                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: A loop can occur in module CQMMEXCW at  *
  *                      offset x'645A'. Excessive CPU           *
  *                      utilization may occur in DB2            *
  *                      workloads, while QM data collector is   *
  *                      running.                                *
  ****************************************************************
  * RECOMMENDATION: APPLY the PTF.                               *
  ****************************************************************
  Code has been changed to correct this condition.
  

Problem conclusion

• APPLY the PTF.
  

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:

  UK13229 UK13230

Modules/Macros

•    CQMMEXCW
  

Fix information

• Fixed component name

  DB2 QUERY MONIT

• Fixed component ID

  5655E6701

Applicable component levels

• R210 PSY UK13229

     UP06/04/13 P F604

• R220 PSY UK13230

     UP06/04/13 P F604

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.