Bug 177719 - BIOS bug shows the wrong number of CPUs
Summary: BIOS bug shows the wrong number of CPUs
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel
Version: 4.0
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
: ---
Assignee: Kernel Maintainer List
QA Contact: Brian Brock
URL:
Whiteboard:
Depends On:
Blocks: 168429
TreeView+ depends on / blocked
 
Reported: 2006-01-13 09:56 UTC by Bastien Nocera
Modified: 2007-11-30 22:07 UTC (History)
0 users

Fixed In Version: RHSA-2006-0132
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2006-03-07 21:16:39 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
kernel-2.6-siblings-mismatch.patch (1.35 KB, patch)
2006-01-13 09:56 UTC, Bastien Nocera 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Linux Kernel 4359 0 None None None Never
Red Hat Product Errata RHSA-2006:0132 0 qe-ready SHIPPED_LIVE Moderate: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 3 2006-03-09 16:31:00 UTC

Description Bastien Nocera 2006-01-13 09:56:41 UTC 
kernel-2.6.9-22.0.1.EL

A BIOS bug on x346 machines shows HT siblings even though hyper-threading is
disabled.

Work-around patch is attached, and already upstream:
http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=49f384b82b03416dd7e4fc77847a959fe3247362;hp=b60c1f6ffd88850079ae419aa933ab0eddbd5535
Comment 1 Bastien Nocera 2006-01-13 09:56:42 UTC 
Created attachment 123154 [details]
kernel-2.6-siblings-mismatch.patch
Comment 2 Jason Baron 2006-01-13 16:09:10 UTC 

*** This bug has been marked as a duplicate of 169472 ***
Comment 4 Red Hat Bugzilla 2006-03-07 21:16:39 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2006-0132.html
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