PTF Cover Letter
PTF ( Program Temporary Fixes ) Cover letter
OSP-MSGMCH2815 DEADLOCK WHILE PROCESSING CONFIG CHANGE NOTIF
Pre/Co-Requisite PTF / Fix List
REQ LICENSED PTF/FIX LEVEL
TYPE PROGRAM RELEASE NUMBER MIN/MAX OPTION
---- -------- --------- ------- ------- ------
TR 5770999 V7R2M0 MF99108 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
-----------------------------------------------
System may appear hung or running slow if the storage box is
returning errors or not returning I/O requests.
CORRECTION FOR APAR MA46343 :
-----------------------------
We hit a deadlock trying to process a config change notification
at same time other I/O requests were not get responses from the
SVC and eventually timed out. This caused several client I/O
requests to never get responded to which could cause jobs or the
entire system to hang.
A change will be made to insure we do not hang on the config
change notification, thus allowing us to process the time out
for the client I/O requests and retry them on another active
path.
CIRCUMVENTION FOR APAR MA46343 :
--------------------------------
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............................. | V7R2M0 |
Licensed Program............... | 5770999 |
APAR Fixed.......................... | View details for APAR MA46343 |
Superseded by:...................... | View fix details for PTF MF99109 |
Recompile........................... | N |
Library............................. | QSYS |
MRI Feature ........................ | NONE |
Cum Level........................... | C8249720 |
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Document Information
Modified date:
07 February 2018