Bug 13872

Summary: cpufreq bug (null pointer dereference)
Product: Power Management Reporter: Rafael J. Wysocki (rjw)
Component: cpufreqAssignee: cpufreq
Status: CLOSED CODE_FIX    
Severity: normal    
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.31-rc3 Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 13615    

Description Rafael J. Wysocki 2009-07-29 21:53:27 UTC 
Subject    : 2.6.31-rc3 cpufreq bug (null pointer dereference)
Submitter  : Christophe Lermytte <christophe.lermytte@thomson.net>
Date       : 2009-07-21 22:07
References : http://marc.info/?l=linux-kernel&m=124820689011112&w=4
Handled-By : "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Patch      : http://patchwork.kernel.org/patch/38229/

This entry is being used for tracking a regression from 2.6.30.  Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit ee88415caf736b89500f16e0a545614541a45005
Author: venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>
Date:   Thu Jul 2 17:08:33 2009 -0700

    [CPUFREQ] Cleanup locking in conservative governor

    Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
    Signed-off-by: Dave Jones <davej@redhat.com>

First-Bad-Commit : ee88415caf736b89500f16e0a545614541a45005