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MF54926 - LIC-OTHER-SRCB6005121-UNPRED SYSTEM FAILED AFTER SWITCHING A

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PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-OTHER-SRCB6005121-UNPRED SYSTEM FAILED AFTER SWITCHING A


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99003   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

-----------------------------------------------
System failed after switching an iASP from a partition.
iASP is varied off and disk IOA resets are starting and
finishes.
I.e. switch is finished on this partition.
Some seconds later MSD starts.
Failing SRC word 1: B6005121
word 2: 0D200061
word 3: 0002000A
word 4: 00100011 - Resident stack overflow
word 5: 00000000
word 6: 00000000
word 7: 00000000
word 8: 00000000
word 9: 00000000

CORRECTION FOR APAR MA41733 :
-----------------------------
We hit a timing window when the IOAs are being powered back on
after the switch, which caused us to incorrectly use an object
under two tasks at the same time, causing an exception which
crashed the partition.
Code fix will prevent the one task from accessing the object in
this state.



CIRCUMVENTION FOR APAR MA41733 :
--------------------------------
None.


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
--------------  ------------------------------------------------------------
   MF54079      LIC-INCORROUT External Storage Capacity Is Zero.

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA41733
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C2115710


System i Support

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Document Information

Modified date:
27 January 2012