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PH28338: ABEND5C6-00A30042 IN MQ CHINIT

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APAR status

  • Closed as program error.

Error description

  • ABEND5C6-00A30042 in CSQSHGMN as MQ requests storage allocation
of a new memory object

Local fix

  •

Problem summary

  • ****************************************************************
* USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
*                 Release 0 Modification 0, Release 1          *
*                 Modification 0 and Release 2 Modification 0  *
****************************************************************
* PROBLEM DESCRIPTION: S5C6-00A30042 abend occurs in CSQSHGMN  *
*                      due to storage leak when using message  *
*                      selectors with SVRCONN channels.        *
****************************************************************
Failure to release buffers associated with message selectors
during SVRCONN channel termination can result in a leak of above
the bar storage. This may lead to an S5C6-00A30042
abend as well as associated symptoms such as performance
degradation.

Problem conclusion

  • Channel termination processing has been amended to ensure
storage associated with selectors is correctly released.

Temporary fix

  •

Comments

  •

APAR Information

  • APAR number

    PH28338

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-08-10

  • Closed date

    2020-10-27

  • Last modified date

    2021-01-04

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

    PH24481

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

    UI71225 UI71226 UI72263

Modules/Macros

  • CSQMCETH

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI72261

       UP20/12/08 P F012 ¢

  • R100 PSY UI72260

       UP20/12/08 P F012 ¢

  • R200 PSY UI72263

       UP20/12/07 P F012 ¢

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.

[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0"}]

Document Information

Modified date:
27 March 2021

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