PM75890: ABEND0C4 RC00000011 AT DSNTLM2.DSNTLRES WHEN IDAA COMMAND -START ACCEL(XXXX) SCOPE(GROUP) IS ISSUED.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• DB2DDF defect pm75890 dpm75890
  ABND=0C4-00000011,U=SYSOPR  ,M=(N),C=910.IPC
  -DSNYASCP,M=DSNYECTE,LOC=DSNTLM2 .DSNTLRES+0076
  occurred when IDAA command -START ACCEL(xxxx) SCOPE(GROUP)
  is issued. DB2 crashed with DSNV086E DB2 ABNORMAL TERMINATION
  REASON=00E80100.
  ***************************************************************
  Additional symptoms and keywords:
   ABEND0C4 ABND0C4 S00C4 0C4 00000011 RC00000011 PIC11
    DSNLTRES+0076 +0076 OFFSET0076 OFFSET76
   RLPL
   IDAAV2R1/K and IDAAV3R1/K
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All DB2 9 for z/OS and DB2 10 for z/OS users *
  *                 of IBM DB2 Analytics Accelerator (IDAA).     *
  ****************************************************************
  * PROBLEM DESCRIPTION: ABEND0C4-00000011 DSNTLRES+0076         *
  *                      occurred when the                       *
  *                      -START ACCEL SCOPE(GROUP) command was   *
  *                      issued at a DB2 for z/OS system.        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The -START ACCEL SCOPE(GROUP) DB2 command was issued at a DB2
  subsystem to start a specified accelerator server. When the
  SCOPE(GROUP) option is specified in the -START ACCEL command,
  DB2 attempts to acquire a lock from IRLM in order to serialize
  related commands (-START ACCEL, -DISPLAY ACCEL, and
  -STOP ACCEL) across the data sharing group.
  In this case, the DB2 -START ACCEL command processor was unable
  to acquire the lock (due to lock contention) so IRLM suspended
  the lock request until the requested lock becomes available.
  However, the DB2 system thread that was servicing the
  -START ACCEL SCOPE(GROUP) command was canceled while the thread
  was suspended in IRLM. So during DB2 recovery processing, DB2
  incorrectly freed the (RLPL) parameter list (which contains
  lock request information for IRLM). When IRLM finally honored
  the (suspended) lock request, DB2 abended with 0C4-00000011
  because the IRLM RLPL has been freed and thus the storage
  is no longer related to the IRLM lock request for the DB2
  -START ACCEL SCOPE(GROUP) command.
  

Problem conclusion

• DB2 query accelerator command processor has been changed to not
  free the IRLM RLPL parameter list during the recovery
  processing.
  

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:

  UK83649 UK83650

Modules/Macros

• DSNX8CMD
  

Fix information

• Fixed component name

  DB2 OS/390 & Z/

• Fixed component ID

  5740XYR00

Applicable component levels

• RA10 PSY UK83649

     UP12/12/05 P F212

• R910 PSY UK83650

     UP12/12/05 P F212

Fix is available

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