TITLE: Fix for problem with the BCM driver for DEGXA Gigabit Ethernet

New Kit Date:       19-FEB-2003
Modification Date:  Not Applicable
Modification Type:  NEW KIT
 
Copyright (c) Hewlett-Packard Company 2003.  All rights reserved.





PRODUCT:    HP Tru64 UNIX [R] V5.1A 

SOURCE:     Hewlett-Packard Company



ECO INFORMATION:



     ECO Name:  T64V51AB3-C0100200-16671-E-20030130.tar

     ECO Kit Approximate Size:   2.8 MB 

     Kit Applies To:   HP Tru64 UNIX  V5.1A PK3 (BL3)



     ECO Kit CHECKSUMS:

	/usr/bin/sum results:  

        37944   2890	



	/usr/bin/cksum results: 

        4079776444 2959360	



	MD5 results:   

        d7bbe1794b04da30df67252949f70792	



	SHA1 results:

        0ad7a5cc006b3652584b3642682258ce7ee09cf0	





ECO KIT SUMMARY:



A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX V5.1A that

contains solutions to the following problem(s):



A problem with the BCM driver for DEGXA Gigabit Ethernet, including the DS25 

onboard 10/100/1000 port has been reported.  Under certain circumstances, 

particularly in low-memory situations, the driver will re-use DMA entries 

so that a buffer can be written after it has been given to another kernel 

subsystem.  This problem can cause a system hang or panic, and can be identified 

by finding an Ethernet packet in memory where it is not expected.  HP has 

corrected this issue.



The Patch Kit Installation Instructions and the Patch Summary and Release

Notes documents provide patch kit installation and removal instructions

and a summary of each patch. Please read these documents prior to 

installing patches on your system.



The patches in this ERP kit will also be available in the next mainstream

patch kit - HP Tru64 UNIX  V5.1A Patch Kit 4





INSTALLATION NOTES:



   Install this kit with the dupatch utility that is included in the patch

   kit. You may need to baseline your system if you have manually changed

   system files on your system. The dupatch utility provides the baselining

   capability.





INSTALLATION PREREQUISITES:



You must have installed HP Tru64 UNIX  PK3 (BL3) prior to installing 

this Early Release Patch Kit.





KNOWN PROBLEMS WITH THE PATCH KIT:



None.





RELEASE NOTES FOR T64V51AB3-C0100200-16671-E-20030130: 



                        Release Notes



     This document summarizes the contents and special instructions for

     the Tru64 UNIX V5.1A patches contained in this kit.



     For information about installing or removing patches, baselining,

     and general patch management, see the Patch Kit Installation

     Instructions document.





1 Release Notes



 The patches in this kit are being released early for general customer use.

 Refer to the Release Notes for a summary of each patch and installation

 prerequisites.



 Patches in this kit are installed by running dupatch from the directory

 in which the kit was untarred. For example, as root on the target system:



        > mkdir -p /tmp/CSPkit1

        > cd /tmp/CSPkit1

        > copy the kit to /tmp/CSPkit1

        > tar -xpvf DUV40D13-C0044900-1285-20000328.tar

        > cd patch_kit

        > ./dupatch



2 Special Instructions



There are no special instructions for Tru64 UNIX V5.1A Patch C1002.00





3 Summary of CSPatches contained in this kit





Tru64 UNIX V5.1A



PatchId                 Summary Of Fix

----------------------------------------

C1002.00                        DEGXA Gigabit Ethernet driver fixes





4 Additional information from Engineering





None





5 Affected system files

This patch delivers the following files:



Tru64 UNIX V5.1A

        Patch C1002.00

                ./sys/BINARY/bcm.mod

                        CHECKSUM:       06862 468

                        SUBSET: OSFHWBIN520





[R] UNIX is a registered trademark in the United States and other countries 

licensed exclusively through X/Open Company Limited.



Copyright Hewlett-Packard Company 2002.  All Rights reserved.



  This software is proprietary to and embodies the confidential technology

  of Hewlett-Packard Company.  Possession, use, or copying of this

  software and media is authorized only pursuant to a valid written license

  from Hewlett-Packard or an authorized sublicensor.



       This ECO has not been through an exhaustive field test process.

       Due to the experimental stage of this ECO/workaround, Hewlett-Packard

       makes no representations regarding its use or performance. The

       customer shall have the sole responsibility for adequate protection

       and back-up data used in conjunction with this ECO/workaround.