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DB2 - Problem description

Problem IC82267 Status: Closed

DB2 AGENT HANG IN SQLPGWAITFORLRECONDISK DUE TO MISSING POST.

product:
DB2 FOR LUW / DB2FORLUW / 910 - DB2
Problem description:
In rare conditions, a db2agent may be stuck in following call 
stacks due to missing post during writing log records into disk. 
 
  sqlpgWaitForLrecOnDisk + 0x330 
  sqlpWriteToLog + 0x7D8 
  sqlpWriteLR + 0x418 
 
The above stacks should be observed in a stack file(use db2pd 
-stack all to generate stack files) for several rounds for a 
long time. 
 
If this db2agent had obtained some latches, then there is a 
chance to hang database due to latch wait cascaded.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All.                                                         * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Update to version 9.1 fixpack 12.                            * 
****************************************************************
Local Fix:
No known work around.
Solution
This problem is first fixed in db2 version 9.1 fixpack 12.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC87822 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
27.03.2012
02.08.2012
02.08.2012
Problem solved at the following versions (IBM BugInfos)
9.1.FP12
Problem solved according to the fixlist(s) of the following version(s)
9.1.0.12 FixList