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MF59578 - LIC-OTHER-WAIT SYSTEM TASKS CLEANED UP PREMATURELY WHEN AN I

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-OTHER-WAIT SYSTEM TASKS CLEANED UP PREMATURELY WHEN AN I


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99009   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.

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

-----------------------------------------------
When an internal connection (IPCF) closes unexpectedly, and
internal IO structure is cleaned up. The IO task that uses the
structure fails when trying to reference that structure. The IO
task failure prevents IOs from completing, and can eventually
lead to a system hang. Fix will be to prevent task failure when
connection closes unexpectedly.

Service Keywords:
IOAM--bbbbcccc-x task Orphaned
IoNioImClientRspFctrySioa
IoNioImAction
src57B59051 57B59051 against redundant controllers
src57B59070 57B59070 against redundant controllers
src57B59072 57B59072 against redundant controllers
srcB6005120 B6005120 against redundant controllers

CORRECTION FOR APAR MA44284 :
-----------------------------
IOA manager will change the device concurrent maintenance
response processing to accommodate the case when the IPCF
connection might have closed. The concurrent maintenance command
will be failed back. IOA manager's task will stay up to process
future requests.

CIRCUMVENTION FOR APAR MA44284 :
--------------------------------
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
--------------  ------------------------------------------------------------
     NONE

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA44284
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C5142710


System i Support

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Document Information

Modified date:
23 December 2014