PM75487: DB2 TERMINATION WITH RC00E50702 DURING THE RECOVERY OF ABEND0C4 FROM DSN3RRSM FOLLOWED BY ABEND0C4 FROM DS 12/10/19 PTF PECHANGE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • DB2 termination with RC00E50702 during the recovery of ABEND0C4
    from DSN3RRSM followed by ABEND0C4 from DSNVEUS2 when RRSAF
    application was MVS cancelled after application of UK81228 or
    UK81229 for APAR PM68365.
    The following symptom can exist:
    ABEND0C4 RSN00000004,M=(N),C=910.ASMC
    -DSNVICEU,M=DSNVEUS2,LOC=DSNVGEPL.DSNVEUS2+0BAA"
    

Local fix

  • Restore UK81228 or UK81229
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All DB2 for z/OS users of RRSAF connected    *
    *                 applications who have applied PE PTFs        *
    *                 UK81228 or UK81229.                          *
    ****************************************************************
    * PROBLEM DESCRIPTION: An ABEND0C4 in module DSN3RRSM may      *
    *                      occur when an application connected to  *
    *                      DB2 via RRSAF is cancelled or timed     *
    *                      out.  This ABEND0C4 is followed by an   *
    *                      ABEND0C4 in DSNVEUS2 and DB2 may        *
    *                      terminate with RC00E50702.              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    If an application connected to DB2 with RRSAF is cancelled or
    initiates time out abends while a z/OS RRS UR is still active,
    MVS context services and RRS will drive a DB2 RRSAF backout
    exit.  An ABEND0C4 may occur in module DSN3RRSM.  A subsequent
    ABEND0C4 may occur in DSNVEUS2 and DB2 may terminate with
    RC00E50702.  This problem occurs when PTFs UK81228 or UK81229
    for APAR PM70056 are installed.
    If DB2 commit or abort processing was interrupted by the
    application cancel or time out abend of the thread, DB2 requires
    an explicit commit or abort of the DB2 UR to release resources
    associated with the UR.  With this APAR fix, there will be an
    opportunity for the application to abort the UR, or for MVS
    context end processing to abort the UR, or for DB2 deferred end
    of task processing to abort the UR.
    Additional symptoms:
    ATR306I msgATR306I
    

Problem conclusion

  • Module DSN3RRSM has been updated to avoid this ABEND0C4 in
    DSN3RRSM.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PM75487

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-19

  • Closed date

    2012-12-06

  • Last modified date

    2013-01-02

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

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

    UK90094 UK90095

Modules/Macros

  •    DSN3RRSF DSN3RRSM
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK90094

       UP12/12/22 P F212 ®

  • R910 PSY UK90095

       UP12/12/22 P F212 ®

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


More support for:

DB2 for z/OS

Software version:

910

Reference #:

PM75487

Modified date:

2013-01-02

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