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SI52264 - OSP-WAIT DLTJRN HANGS

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PTF ( Program Temporary Fixes ) Cover letter


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Abstract

OSP-WAIT DLTJRN HANGS


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



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APAR Error Description / Circumvention

-----------------------------------------------
DLTJRN operation hangs indefinitely. User is unable to delete
the journal. The call stack shows the following:

There are 1341 tasks in the system.
Task 11: TDE=B046200006D44000 TaskName=MITHREAD LDBLP QSECOFR
256548
35 WaitObj=EE03C0DD1C3B0330 EMw-EM Wait Event
WaitObjCaller=FFFFFFFFC15F9694 m
ISF=F1BF484CEDFFD860 NIA=FFFFFFFFFE2653D0 module
RmprLongWaitRcvQueue+0x860
ISF=F1BF484CEDFFD9C0 NIA=FFFFFFFFC15F9694 module
EmWaitOnEvent+0x794
ISF=F1BF484CEDFFE4C0 NIA=FFFFFFFFFF0050E8 module #cfmir+0xE8
ISF=F1BF484CEDFFE580 NIA=FFFFFFFFFF07DA7C module cfscv0a+0x12C
ISF=D94D2D1F38FFC980 NIA=3685063727003470 progrm
QSYS/QTNDESJN+0x1DA0 Inst# 0x
ISF=D94D2D1F38FFCC60 NIA=FFFFFFFFFFFF81D0 module #cfcblat+0x1D0
ISF=F1BF484CEDFFE5E0 NIA=FFFFFFFFFE0D7CD4 module
AiUpcallPortalUser+0xC4
ISF=D94D2D1F38FFCCA0 NIA=1FCA7BEDF400291C progrm
QSYS/QJODLTJN+0x124C Inst# 0x

CORRECTION FOR APAR SE57394 :
-----------------------------
This problem occurs when a second job has been using the journal
for commitment control.  The first job (the one attempting to
delete the journal) sends an event to the second job to see
whether the journal is still actively being used in that job, or
whether it is ok for the journal to be deleted.  The first job
then waits for a response from the second job, and then goes on
to either delete the journal or send a message that the journal
cannot be deleted because the second job is still using it.  If
the second job never responds to the event sent by the first
job, the first job will hang.  This can happen if the second job
is handling a System Request or some other operation that
prevents it from handling events.

This fix will limit the amount of time that the first job waits
for a response from the second job to one minute.  If no
response is received in that time, a message will be sent in the
first job to indicate that the journal cannot be deleted because
the second job is still using it.  The second job will be
identified in the message text.

CIRCUMVENTION FOR APAR SE57394 :
--------------------------------
None.


Activation Instructions


None.




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Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
     NONE

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770SS1
APAR Fixed..........................View details for APAR SE57394
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C4101720


System i Support

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Document Information

Modified date:
14 April 2014