PTF Cover Letter
PTF ( Program Temporary Fixes ) Cover letter
LIC-WAIT NPIV client adapter hangs
Pre/Co-Requisite PTF / Fix List
REQ LICENSED PTF/FIX LEVEL
TYPE PROGRAM REL NUMBER MIN/MAX OPTION
---- -------- --- ------- ------- ------
TR 5770999 710 MF99004 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
-----------------------------------------------
While attempting to recover from unusual Fibre Channel target
device behavior, the client Virtual Fibre Channel adapter may
trap on an unexpected state which causes an exception. This
exception causes an adapter wait which results in loss of
contact to all devices attached through the adapter. The wait
condition may be resolved automatically by a self-initiated IOP
reset after a 30 minute delay, or may last indefinitely if the
exception processing causes I/O to be required to one of the
adapter devices. The indefinite hang condition requires a
partition restart to recover.
CORRECTION FOR APAR MA41828 :
-----------------------------
Licensed Internal Code will be changed to tolerate the
unexpected state to avoid causing an exception. Upon detection,
the adapter will immediately initiate an IOP reset on itself to
recover from the abnormal state. The adapter will log a 6B258100
entry in the Product Activity Log with reference code 90000051
in word 14 to identify the cause of the IOP reset.
CIRCUMVENTION FOR APAR MA41828 :
--------------------------------
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............................. | V7R1M0 |
Licensed Program............... | 5770999 |
APAR Fixed.......................... | View details for APAR MA41828 |
Superseded by:...................... | View fix details for PTF MF99011 |
Recompile........................... | N |
Library............................. | QSYS |
MRI Feature ........................ | NONE |
Cum Level........................... | C2115710 |
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Document Information
Modified date:
04 March 2012