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MF52656 - LIC-COMM-OTHER-MSGCPD27D0 ASC line fails to vary on after fa

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-COMM-OTHER-MSGCPD27D0 ASC line fails to vary on after fa


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
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.

SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
If an Asychronous (ASC) communication line which is not running
under an I/O Processor (IOP) fails to vary on, a subsequent vary
on will result in a CPD27D0, Line already in use, message

CORRECTION FOR APAR MA40665 :
-----------------------------
An incorrect check within the code resulted in the I/O Driver
deactivating, but the code above was left in a state where the
deactivate was still outstanding.



This PTF will be built as an Immediate Apply PTF.



If you do not currently have the problem stated above, for the
code to activate, each communication line must be successfully
varied off then varied on.



If you currently have the problem stated above, this code will
not take affect until after an IPL, since the line can not
currently do a successful vary off.

CIRCUMVENTION FOR APAR MA40665 :
--------------------------------
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
--------------  ------------------------------------------------------------
     NONE

Summary Information

System..............................i
Models..............................
Release.............................V6R1M1
Licensed Program...............5761999
APAR Fixed..........................View details for APAR MA40665
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1256610


System i Support

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Document Information

Modified date:
23 March 2011