A fix is available
APAR status
Closed as program error.
Error description
ABEND04E RC00C90101 DSNITCUS ERQUAL5049. The abend occurs because PSFIRNLK = 'FFFFFFFF'x
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All DB2 10, 11 for z/OS users that have * * Segmented Table Space and use ROWSET. * **************************************************************** * PROBLEM DESCRIPTION: Update a table in a Segmented Table * * Space with ROWSET abend in DSNITCUS * * with RC00C90101 and ERQUAL5049. * **************************************************************** * RECOMMENDATION: * **************************************************************** After lock escalation, since all the low level locks held on the table are freed, its lock count is reset to zero. A mis-calculation during the Referential Integrity (RI) check caused the lock count to go negative, and then DB2 abend at DSNITCUS:5049.
Problem conclusion
Fixes made in DB2 to correctly count the low level locks on the child table during the Referential Integrity check so the lock count on parent table won't go negative.
Temporary fix
Comments
APAR Information
APAR number
PI73499
Reported component name
DB2 OS/390 & Z/
Reported component ID
5740XYR00
Reported release
B10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-12-08
Closed date
2017-03-30
Last modified date
2017-05-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI46056 UI46057
Modules/Macros
DSNITCUS
Fix information
Fixed component name
DB2 OS/390 & Z/
Fixed component ID
5740XYR00
Applicable component levels
Fix is available
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Document Information
Modified date:
01 May 2017