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MF50261 - LIC-OTHER-WAIT QPMHDWRC job hangs

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-OTHER-WAIT QPMHDWRC job hangs


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99001   00/00    0000
DIST 5770999  710  MF47954   00/00    0000



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.

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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
A process hangs after a concurrent maintenance add of hub card.
Most frequently the symptom is that
ENDPFRCOL FRCCOLEND(*YES) fails with CPFB94A. The "Go Perform"
command also gives the same error when trying to end it.   If
the stack of the QPMHDWRC job is displayed in Dedicated Service
Tools (DST), the process has not run for a long time and the top
three stack frames show modules/offsets similar to:
QUSINGLETASKBLOCKERCODEHIGHUSE+0XF94
XMLPBUSADAPTER+0X11F0

XMLPBUSADAPTER+0X163C

Other hangs are possible, including Hardware Service Manager
(displaying High-speed link resources).  These hangs can lead to
hangs in other processes as well.

CORRECTION FOR APAR MA39477 :
-----------------------------
When a hub is added via concurrent maintenance, the rio loop
hardware is not tracked correctly in the partition.  This can
lead to hangs when the towers in the loop are processed.

CIRCUMVENTION FOR APAR MA39477 :
--------------------------------
Do not add hubs via concurrent maintenance until the PTF is
applied.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS IS A DELAYED PTF TO BE APPLIED AT IPL TIME.



Supersedes

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

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA39477
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1116710


System i Support

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Document Information

Modified date:
12 August 2010