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Bug 494288

Summary:	CPU P-state limits (via acpi _ppc) ignored by OS
Product:	Red Hat Enterprise Linux 5	Reporter:	Stanislaw Gruszka <sgruszka>
Component:	kernel	Assignee:	Stanislaw Gruszka <sgruszka>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	5.4	CC:	akarlsso, albert.l.procassini, dzickus, emcnabb, jacek.kolakowski, jane.lv, jvillalo, keve.a.gabbert, luyu, mmilgram, mschmidt, peterm, robert.bard, sgruszka, tao, wwlinuxengineering
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	490531	Environment:
Last Closed:	2009-09-02 08:11:34 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:
Bug Depends On:
Bug Blocks:	480792, 489574

Comment 1 RHEL Program Management 2009-04-06 12:28:29 UTC

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
release.

Comment 2 Stanislaw Gruszka 2009-04-29 06:16:09 UTC

*** Bug 489553 has been marked as a duplicate of this bug. ***

Comment 3 Stanislaw Gruszka 2009-04-29 06:22:22 UTC

Patch was posted posted on RKML:

http://post-office.corp.redhat.com/archives/rhkernel-list/2009-April/msg00215.html

Packages if someone want to test it are here:

http://brewweb.devel.redhat.com/brew/taskinfo?taskID=1751995

Comment 4 Keve Gabbert 2009-04-29 18:09:53 UTC

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 13:21:40 UTC

Here is new build:

https://brewweb.devel.redhat.com/taskinfo?taskID=1784596

Comment 8 Don Zickus 2009-05-06 17:17:32 UTC

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 18:31:52 UTC

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 08:11:34 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 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.

http://rhn.redhat.com/errata/RHSA-2009-1243.html