PM86043: 04E-00E50001 DSNIPPHO+0E26 DURING START ACCEL COMMAND

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Defect 163203 d163203 rtc 5388 rtc5388
  04E-00E50001 DSNIPPHO+0E26 during START ACCEL command.
  ***************************************************************
  Additional Symptoms and Keywords:
   ABEND04E AB04E S004E 04E
    04E-00E50001 00E50001 RC00E50001
     DSNIPPHO DSNIPPHO+0E26 0E26 Offset0E26
     DSNIOST2 DSNIOST2+12B2 12B2 Offset12B2
    The RC00E50001 latch heirarchy violation occurs requesting
    class 9 latch DMCDV while holding a class 11 latch.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of DB2 for z/OS who use IBM DB2    *
  *                 Analytics Accelerator (IDAA).                *
  ****************************************************************
  * PROBLEM DESCRIPTION: A START ACCEL command may result in     *
  *                      abend 04E-00E50001. Specific known      *
  *                      symptoms include:                       *
  *                      . 04E-00E50001 DSNIPPHO+0E26            *
  *                      . 04E-00E50001 DSNIOST2+12B2            *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  START ACCEL command processing involves obtaining a latch
  and then accessing DB2 catalog tables which may require
  conflicting latches.
  

Problem conclusion

• DB2 has been changed to maintain proper latch hierarchy during
  START ACCEL command processing.
  
  Additional Keywords:
  IDAAV2R1/K IDAAV3R1/K
  

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:

  UK95047 UK95048

Modules/Macros

• DSNLDALB DSNLTGBK DSNLTSET DSNX8CDA DSNX8DAL
  DSNX8DRD DSNX8INI DSNX8STA DSNX8STO DSNX8TCP
  

Fix information

• Fixed component name

  DB2 OS/390 & Z/

• Fixed component ID

  5740XYR00

Applicable component levels

• RA10 PSY UK95047

     UP13/06/28 P F306

• R910 PSY UK95048

     UP13/06/28 P F306

Fix is available

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