Bug 231854 - [RHEL4] Incorrect memory sizing reported by EDAC on HP xw9400
[RHEL4] Incorrect memory sizing reported by EDAC on HP xw9400
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
x86_64 Linux
medium Severity medium
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Assigned To: Aristeu Rozanski
Martin Jenner
Depends On:
Blocks: 248673
  Show dependency treegraph
Reported: 2007-03-12 12:19 EDT by Aristeu Rozanski
Modified: 2007-11-30 17:07 EST (History)
2 users (show)

See Also:
Fixed In Version: RHBA-2007-0791
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-11-15 11:21:44 EST
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Regression: ---
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Documentation: ---
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
test patch (24.19 KB, patch)
2007-03-12 12:22 EDT, Aristeu Rozanski
no flags Details | Diff

  None (edit)
Description Aristeu Rozanski 2007-03-12 12:19:20 EDT
Description of problem:
On AMD64 boxes with revision F processors, the current k8_edac driver doesn't
detects correctly the amount of memory.

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

How reproducible:

Steps to Reproduce:
1.Check /proc/mc/ for information. The memory modules' size are displayed
Actual results:
Incorrect memory modules size

Expected results:

Additional info:
Comment 1 Aristeu Rozanski 2007-03-12 12:22:01 EDT
Created attachment 149833 [details]
test patch

This patch adds support for revision F processors and to other memory module
Comment 2 Aristeu Rozanski 2007-03-12 12:25:22 EDT
Tested with success on a HP xw9400 and on a IBM eServer x3105.
Comment 3 Aristeu Rozanski 2007-03-12 13:51:05 EDT
Patch submitted to list for inclusion
Comment 4 Aristeu Rozanski 2007-03-13 10:32:09 EDT
Got two ACKs but will have to test more
Comment 5 RHEL Product and Program Management 2007-07-30 16:15:44 EDT
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
Comment 6 Jason Baron 2007-07-31 12:08:49 EDT
committed in stream U6 build 55.26. A test kernel with this patch is available
from http://people.redhat.com/~jbaron/rhel4/
Comment 9 Don Domingo 2007-08-23 21:01:33 EDT
added to RHEL4.6 release notes under "Kernel-Related Updates":

(x86_64) k8_edac driver now supports revision F processors

please advise if any revisions are necessary. thanks!

Comment 11 errata-xmlrpc 2007-11-15 11:21:44 EST
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.


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