IBM Support

MF65486 - OSP-COMM-ELAN-UNPRED COMMUNICATION LOSS UNDER HEAVY WORKLOAD

PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

OSP-COMM-ELAN-UNPRED COMMUNICATION LOSS UNDER HEAVY WORKLOAD


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R3M0    MF99205   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 device driver associated with Ethernet adapters with CCINs
2B93, 2CC0, 2CC1, 2CE3, and 2CE4 may stop communicating under
extremely heavy workloads.  This has specifically been observed
to happen with Mimix audit traffic.  Varying the line
description off and back on was required to recover from the
problem.

CORRECTION FOR APAR MA47324 :
-----------------------------
This PTF addresses an issue in the device driver where under
heavy traffic conditions it does not notify the adapter of
processed resources frequently enough.  This can lead to a
resource starvation issue in the adapter which results in the
described problem.  The device driver will be altered to notify
the adapter of processed resources more frequently.

CIRCUMVENTION FOR APAR MA47324 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF65433      OSP-COMM-ELAN-INCORROUT ACTIVE ETHERNET LINE STOPS SENDING/R
   MF65364      LIC-COMM-OTHER LINE DESCRIPTION STUCK IN VARY OFF PENDING ST
   MF65120      LIC-COMM-INCORROUT Improve diagnostic information captured w
   MF65120      OSP-COMM-ELAN-RC00000001-MSGCPI59F1 ETHERNET LINE FAILS TO V

Summary Information

System.............................. i
Models..............................
Release............................. V7R3M0
Licensed Program............... 5770999
APAR Fixed.......................... View details for APAR MA47324
Superseded by:...................... View fix details for PTF MF99206
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C9116730


System i Support

IBM disclaims all warranties, whether express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. By furnishing this document, IBM grants no licenses to any related patents or copyrights. Copyright © 1996,1997,1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 IBM Corporation. Any trademarks and product or brand names referenced in this document are the property of their respective owners. Consult the Terms of use link for trademark information.

Document information

More support for: i family

Software version: V7R3M0

Operating system(s): OS/400

Reference #: MF65486

Modified date: 15 November 2018