Bug 494288 - CPU P-state limits (via acpi _ppc) ignored by OS
CPU P-state limits (via acpi _ppc) ignored by OS
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
urgent Severity urgent
: rc
: ---
Assigned To: Stanislaw Gruszka
Red Hat Kernel QE team
: 489553 (view as bug list)
Depends On:
Blocks: 480792 489574
  Show dependency treegraph
Reported: 2009-04-06 04:24 EDT by Stanislaw Gruszka
Modified: 2013-01-10 02:59 EST (History)
16 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 490531
Last Closed: 2009-09-02 04:11:34 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Comment 1 RHEL Product and Program Management 2009-04-06 08:28:29 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 2 Stanislaw Gruszka 2009-04-29 02:16:09 EDT
*** Bug 489553 has been marked as a duplicate of this bug. ***
Comment 3 Stanislaw Gruszka 2009-04-29 02:22:22 EDT
Patch was posted posted on RKML:


Packages if someone want to test it are here:

Comment 4 Keve Gabbert 2009-04-29 14:09:53 EDT
please mark priority/severity as in [Bug 489553] Failed loading of multiple cpufreq drivers can corrupt driver data structures, which was closed as a dup of this BZ
Comment 6 Stanislaw Gruszka 2009-05-01 09:21:40 EDT
Here is new build:

Comment 8 Don Zickus 2009-05-06 13:17:32 EDT
in kernel-2.6.18-144.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Please do NOT transition this bugzilla state to VERIFIED until our QE team
has sent specific instructions indicating when to do so.  However feel free
to provide a comment indicating that this fix has been verified.
Comment 10 jacek.kolakowski 2009-05-08 14:31:52 EDT
I have tested the provided image and it looks good. ACPI notifications for both p-states and t-states work fine.
Comment 16 errata-xmlrpc 2009-09-02 04:11:34 EDT
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 therefore 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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