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OA66075: IGWMDSST+X'123A' REQUESTS THE DSHD LATCH AND IS SUSPENDED IN IGWLHSUS+X'16C6' BECAUSE DSHB LATCH WAS NOT RELEASED.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • TSO user is hung and cannot be cancelled, terminated or forced
    out.  IGWMDSST+x'123A' has requested the DSHD latch and is hung
    in IGWLHSUS+x'16C6' waiting for the latch.
    The latch appears to be held by an active thread for an SRB that
    suffered an abend878.  Latch was never released.
    

Local fix

  • RECOVERY ACTION:
    Issue FORCE U=userid without TCB= to force the user to terminate
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * This is a situation which occurs when an                     *
    * address space is short of storage and                        *
    * an attempt is made to create SMF records.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * During SMF record when storage is                            *
    * short there can be recursive failures                        *
    * and hang.                                                    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    See problem conclusion
    

Problem conclusion

  • SMF getmain processing will be enhanced to prevent recursive
    out of space error.
    

Temporary fix

Comments

APAR Information

  • APAR number

    OA66075

  • Reported component name

    DFSMS COMMON SE

  • Reported component ID

    5695DF104

  • Reported release

    310

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2024-01-30

  • Closed date

    2024-04-08

  • Last modified date

    2024-05-01

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

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

    UJ95044 UJ95048

Modules/Macros

  • IGWFVGTM
    

Fix information

  • Fixed component name

    EXTENDED DATA S

  • Fixed component ID

    5695DF115

Applicable component levels

  • R310 PSY UJ95044

       UP24/04/23 P F404

  • R250 PSY UJ95048

       UP24/04/23 P F404

Fix is available

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Document Information

Modified date:
02 May 2024