Re: [discuss] 2.6.19-rc6: known regressions (v4)

On Wed, 22 Nov 2006, Andre Noll wrote:

> On 11:42, Andi Kleen wrote:
> > ject    : x86_64: Bad page state in process 'swapper'
> > > References : http://lkml.org/lkml/2006/11/10/135
> > >              http://lkml.org/lkml/2006/11/10/208
> > > Submitter  : Andre Noll <maan@xxxxxxxxxxxxxxx>
> > > Handled-By : David Rientjes <rientjes@xxxxxxxxxxxxxxxxx>
> > > Status     : problem is being debugged
> > Does this still happen with -rc6?
> Unfortunately, yes. I tried rc6, current git, and currrent git + David
> Rientjes' patch. They all show the same behaviour.
>
> > It's probably another bug in the memmap parsing rewrite (Mel cc'ed)
> > but the debugging information in the standard kernel unfortunately
> > doesn't give enough output to find out where it happens.
> Feel free to send me a debugging patch..

You should have received such a patch from me later in the thread. In 
combination with the patch at http://lkml.org/lkml/2006/11/10/198 and a 
copy of the dmesg, I might be able to guess what is going wrong. Thanks
--
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab