Bug 603936 - [Broadcom 6.0 bug] tg3: TX BD corruption can happen on all devices 5755 and newer
Summary: [Broadcom 6.0 bug] tg3: TX BD corruption can happen on all devices 5755 and n...
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel   
(Show other bugs)
Version: 6.0
Hardware: All Linux
Target Milestone: rc
: 6.0
Assignee: John Feeney
QA Contact: Red Hat Kernel QE team
Keywords: OtherQA, Regression
Depends On:
TreeView+ depends on / blocked
Reported: 2010-06-14 22:32 UTC by Matt Carlson
Modified: 2010-11-15 14:07 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2010-11-15 14:07:35 UTC
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RHEL 7.3 requirements from Atomic Host:
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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:
Actual results:

Expected results:

Additional info:

Comment 2 RHEL Product and 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

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.

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