A fix is available
APAR status
Closed as program error.
Error description
It fails to maintain CUBWRDRP when delete a temporary file. Then it may cause main and extended workfile cub chain messed up later. Reader cub of the main workfile may point to a freed reader cub for extend workfile. So it would abend DSNSVBK +098E when delete the main temporary file. Additional Symptoms: - ABEND0C4 DSNB1OFA at UK25665 offset 0C1E - Abend0C4 in DSNB1CPS + 706 and abend0C4 in DSNB1RTR + 41C because a PBA + x'40' is overlaid due to using an already free CUB (mistakenly still in CUB extension chain)" SMCOVERLAY
Local fix
N/A
Problem summary
**************************************************************** * USERS AFFECTED: All DB2 V8 for z/OS users of workfiles or * * created global temporary tables (CGTTs) * **************************************************************** * PROBLEM DESCRIPTION: RC00E20006 DSNIWKFD.DSNSVBK +098E * * during workfile or CGTT processing * * * * Other symptoms possible * **************************************************************** * RECOMMENDATION: * **************************************************************** When processing workfiles or CGTTs that span more than a single workfile table space and have reader CUBs defined on them, the chaining of the reader CUBs which represent the extensions was not properly performed.
Problem conclusion
Code is changed to properly chain workfile extension reader CUBs. Additional keywords: SQLCGTT
Temporary fix
Comments
APAR Information
APAR number
PM15044
Reported component name
DB2 OS/390 & Z/
Reported component ID
5740XYR00
Reported release
810
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Special Attention
NoSpecatt
Submitted date
2010-05-24
Closed date
2010-08-23
Last modified date
2011-02-17
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UK59901
Modules/Macros
DSNIWKFD
Fix information
Fixed component name
DB2 OS/390 & Z/
Fixed component ID
5740XYR00
Applicable component levels
R810 PSY UK59901
UP10/09/08 P F009
Fix is available
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Document Information
Modified date:
17 February 2011