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MF49966 - LIC-MSGMCH5204 Save operation ends abnormally

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-MSGMCH5204 Save operation ends abnormally


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

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



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
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for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
A save operation may fail with MSGMCH5204  and VL07000120,
VL04030030, VL02000307.  In other cases the save operation may
hang.  Other VLOGS issued may include VL07000107, VL07000105,
VL2E000200, VL10001080, VL10007011, VL10007002 and VL07000101.
Other messages issued may include MSGMCH5203 and MSGMCH1668.
Subsequent save operations may result in MSGCPF3795 RCC4E6 if
the initial save operation which failed was using save while
active.  If this occurs an IPL is necessary in order to clear
the condition causing the RCC4E6.

CORRECTION FOR APAR MA39266 :
-----------------------------
Two LIC tasks were accessing the same internal storage area
(segment) concurrently.  If one of the tasks required additional
storage to be allocated for this segment  the other task could
start using that storage before the system was completely done
creating it.  This led to a situation where the first task would
sometimes clear the storage after the second task had already
started using  it. The system code has been changed to prevent
the task from prematurely accessing the storage.

CIRCUMVENTION FOR APAR MA39266 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF48466      LIC-MSGMCH5204 Incorrect object identified after save error
   MF49881      LIC-WAIT Job hangs while performing save operation

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA39266
Superseded by:......................View fix details for PTF MF61797
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C0229710


System i Support

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Document Information

Modified date:
21 May 2010