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MF67308 - LIC-COMM-OTHER-UNPRED HANG VL4E000009

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-COMM-OTHER-UNPRED HANG VL4E000009


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R3M0    MF99208   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

-----------------------------------------------
Received gateway unreachable TCP2615 on an interface associated
with a virtual ethernet device (CCIN 268C).  Attempting to vary
off the line description resulted in a hang condition.  A VLOG
with major/minor codes of 4E00 0009 occurred earlier.

CORRECTION FOR APAR MA48334 :
-----------------------------
The cause of the VLOG was due to missing memory barrier
instructions in the device driver.  This also resulted in the
inability of the CMN resource to vary off.  The memory barrier
issue has been fixed.

CIRCUMVENTION FOR APAR MA48334 :
--------------------------------
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.............................V7R3M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA48334
Superseded by:......................View fix details for PTF MF99210
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C0310730


IBM i Support

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Document Information

Modified date:
03 March 2021