Bug 12395

Summary: 2.6.28-rc9: oprofile regression
Product: Platform Specific/Hardware Reporter: Rafael J. Wysocki (rjw)
Component: x86-64Assignee: platform_x86_64 (platform_x86_64)
Status: CLOSED CODE_FIX    
Severity: normal CC: andi-bz, tim
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.28-rc9 Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 11808    

Description Rafael J. Wysocki 2009-01-09 15:16:21 UTC 
Subject    : 2.6.28-rc9: oprofile regression
Submitter  : Tim Blechmann <tim@klingt.org>
Date       : 2008-12-21 14:23
References : http://marc.info/?l=linux-kernel&m=122986946614791&w=4
Handled-By : Andi Kleen <ak@linux.intel.com>

This entry is being used for tracking a regression from 2.6.27.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 Rafael J. Wysocki 2009-01-09 15:18:07 UTC 
Reportedly caused by:

commit b99170288421c79f0c2efa8b33e26e65f4bb7fb8
Author: Andi Kleen <ak@linux.intel.com>
Date:   Mon Aug 18 14:50:31 2008 +0200

    oprofile: Implement Intel architectural perfmon support

    Signed-off-by: Andi Kleen <ak@linux.intel.com>
    Signed-off-by: Robert Richter <robert.richter@amd.com>

First-Bad-Commit: b99170288421c79f0c2efa8b33e26e65f4bb7fb8
Comment 2 tim blechmann 2009-02-24 03:20:59 UTC 
patch at:
http://marc.info/?l=linux-kernel&m=123506131927371&w=4
Comment 3 Rafael J. Wysocki 2009-02-25 14:33:54 UTC 
Handled-By : Tim Blechmann <tim@klingt.org>
Patch : http://marc.info/?l=linux-kernel&m=123506131927371&w=4
Comment 4 Rafael J. Wysocki 2009-03-07 14:15:50 UTC 
On Wednesday 04 March 2009, Ingo Molnar wrote:
> 
> * Ingo Molnar <mingo@elte.hu> wrote:
> 
> > 
> > * Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > 
> > > On Tuesday 03 March 2009, Robert Richter wrote:
> > > > Fix upstream in tip/x86/urgent:
> > > > 
> > > > 780eef9492b16a1543a3b2ae9f9526a735fc9856
> > > 
> > > URL, please?
> > 
> > The fix is not yet in Linus's tree - the commit is below.
> 
> The fix is upstream now, included in .29-rc7.