Bug 603936

Summary:	[Broadcom 6.0 bug] tg3: TX BD corruption can happen on all devices 5755 and newer
Product:	Red Hat Enterprise Linux 6	Reporter:	Matt Carlson <mcarlson>
Component:	kernel	Assignee:	John Feeney <jfeeney>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.0	CC:	andriusb, benlu, branto, gideonn, jfeeney, mchan
Target Milestone:	rc	Keywords:	OtherQA, Regression
Target Release:	6.0
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-11-15 14:07:35 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Matt Carlson 2010-06-14 22:32:31 UTC

Description of problem:

There is a hardware fix that addresses a TX BD corruption bug that applies to all 5755 and newer devices.  Commit b1d0521059789a138d19c4f940d6eca7d620a6eb fixes the problem.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


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Additional info:

Comment 2 RHEL Program Management 2010-06-14 23:02:56 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for
inclusion.

Comment 3 John Feeney 2010-06-15 17:30:04 UTC

Just for the record, the commit listed in the first comment has the following upstream description:

tg3: Avoid tx lockups on 5755+ devices

In certain edge conditions, internal tx resources can get corrupted.
This patch enables a bit that will fix the problem.

Comment 4 Ben 2010-06-22 05:59:28 UTC

Verified that 5755/57765/5718 can pass stress test without exception.

Comment 5 Ben 2010-06-22 08:24:49 UTC

#comment4 tested on kernel-2.6.32-33.el6.with603936.603933.3 .

Comment 6 Aristeu Rozanski 2010-07-01 16:25:13 UTC

Patch(es) available on kernel-2.6.32-42.el6

Comment 9 Matt Carlson 2010-09-02 23:35:12 UTC

This bug can be hard to trigger.  I think the best we can do is verify that the fix is applied correctly to the tg3 sources.  I have verified that.

Comment 11 releng-rhel@redhat.com 2010-11-15 14:07:35 UTC

Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.