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OA49005: LOOP IN MODULE ISTLLCIE + X'116C' - PROCESSING AN INTERRUPT FROM OSA QDIO DEVICE.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Loop in module ISTLLCIE + x'116C' - processing an interrupt
    from OSA QDIO device.
    Additional symptoms:
    SPINLOOP IEE178I
    IEA460W WAIT08F RSN1
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of the IBM Communications Server for z/OS Version  *
    * 2 Releases 1 and 2: OSA-Express QDIO interface               *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * zOS system (LPAR) outage with a system wait state code of    *
    * 08F                                                          *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * apply PTF                                                    *
    ****************************************************************
    ISTLLCIE is operating (on CPU A) in disabled mode while holding
    a private spin lock while attempting to schedule another SRB for
    storage pool expansion. Another instance of ISTLLCIE needs to
    obtain this same spin lock but continues to spin (on CPU B)
    until the initial thread (CPU A) holding this private spin lock
    releases the lock. Due to other system recovery actions, the
    release of this spin lock (by thread on CPU A) did not occur
    before the system wait state is detected.
    

Problem conclusion

  • Reduce the code path for which this spin lock is being held. Do
    not attempt to schedule a new SRB to expand the buffer pool
    while holding the spin lock and operating disabled.
    

Temporary fix

Comments

APAR Information

  • APAR number

    OA49005

  • Reported component name

    VTAM V4 MVS/ESA

  • Reported component ID

    569511701

  • Reported release

    210

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-09-28

  • Closed date

    2015-10-26

  • Last modified date

    2016-01-03

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

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

    UA79528 UA79529

Modules/Macros

  • ISTLLCIE ISTLLCOO IUTLLCCC IUTLLCC6 ISTLLCM8
    

Fix information

  • Fixed component name

    VTAM V4 MVS/ESA

  • Fixed component ID

    569511701

Applicable component levels

  • R220 PSY UA79529

       UP15/12/16 P F512 ¢

  • R210 PSY UA79528

       UP15/12/16 P F512 ¢

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.

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Document Information

Modified date:
03 January 2016