Bug 14376

Summary:	Kernel NULL pointer dereference/ kvm subsystem
Product:	Virtualization	Reporter:	Rafael J. Wysocki (rjw)
Component:	kvm	Assignee:	virtualization_kvm
Status:	CLOSED CODE_FIX
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.31.1	Subsystem:
Regression:	Yes	Bisected commit-id:
Bug Depends on:
Bug Blocks:	14230

Description Rafael J. Wysocki 2009-10-11 20:41:16 UTC

Subject    : kernel NULL pointer dereference/ kvm subsystem
Submitter  : Don Dupuis <dondster@gmail.com>
Date       : 2009-10-06 14:38
References : http://marc.info/?l=linux-kernel&m=125484025021737&w=4

This entry is being used for tracking a regression from 2.6.31.  Please don't
close it until the problem is fixed in the mainline.

Comment 1 Rafael J. Wysocki 2009-10-12 21:06:08 UTC

On Monday 12 October 2009, dondster@gmail.com wrote:
> Yes, it should still be listed.

Comment 2 Rafael J. Wysocki 2010-02-08 18:50:34 UTC

On Monday 08 February 2010, dondster@gmail.com wrote:
> yes
> 
> On Feb 7, 2010 6:28pm, "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> > This message has been generated automatically as a part of a report
> 
> > of regressions introduced between 2.6.31 and 2.6.32.
> 
> > The following bug entry is on the current list of known regressions
> > introduced between 2.6.31 and 2.6.32. Please verify if it still should
> > be listed and let the tracking team know (either way).

Comment 3 Rafael J. Wysocki 2010-02-08 19:48:45 UTC

On Monday 08 February 2010, Avi Kivity wrote:
> On 02/08/2010 07:29 PM, Marcelo Tosatti wrote:
> > On Tue, Oct 06, 2009 at 09:38:05AM -0500, Don Dupuis wrote:
> >    
> >> Kernel 2.6.31.2
> >> x86 64bit
> >>
> >> Running numerous kvm linux guests and noticed this oops in messages
> >> file. This didn't occur in 2.6.30.6
> >>
> >> BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
> >> IP: [<ffffffffa01de29f>] kpit_elapsed+0x30/0x60 [kvm]
> >>      
> > Fixed by ace1546487a0fe4634e3251067f8a32cb2cdc099.
> >
> > Greg, can you please cherry pick to 2.6.31.stable?
> >    
> 
> It's already in, 2.6.31.6 (and I think 31.y is dead).
> 
> Rafael, this is #14376.