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MF57582 - SRCB6000103-LIC-COMM CCIN 576F NULL RECEIVE BUFFER

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

SRCB6000103-LIC-COMM CCIN 576F NULL RECEIVE BUFFER


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99007   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

-----------------------------------------------
The logical partition will fail with System Reference Code (SRC)
B6000103.  The Main Store Dump will indicate the failure took
place in module IoCommNativeNuc2HighUse where it attempts to use
a NULL pointer.

CORRECTION FOR APAR MA43146 :
-----------------------------
The problem occurs when the driver for this adapter (CCIN 576F)
attempts to use a NULL receive buffer when processing receive
packets.  This PTF will detect the NULL receive buffer and
circumvent the use of the buffer, allowing the line to remain
active.  The PTF will also log one Product Activity Log per Vary
On instance if the problem occurs.  The log will be SRC 576FA001
with secondary codes of 00001A84 or 00001A85.  The code will
continue to circumvent the problem after the first occurrence,
but no more PALs will be generated.

CIRCUMVENTION FOR APAR MA43146 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF55682      LIC-COMM-OTHER-WAIT Lan Console Fails after MSD
   MF57393      LIC-COMM-OTHER Intermittent transmit hang on CCIN 576F

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA43146
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C4143710


System i Support

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Document Information

Modified date:
30 October 2013