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To: Andy Pfiffer <andyp@osdl.org>
Cc: Suparna Bhattacharya <suparna@in.ibm.com>, linux-kernel@vger.kernel.org,
       lkcd-devel@lists.sourceforge.net, fastboot@osdl.org
Subject: Re: [Fastboot] Re: Kexec on 2.5.59 problems ?
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From: ebiederm@xmission.com (Eric W. Biederman)
Date: 11 Feb 2003 21:29:59 -0700
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Andy Pfiffer <andyp@osdl.org> writes:

> On Tue, 2003-02-11 at 09:04, Andy Pfiffer wrote:
> > On Mon, 2003-02-10 at 23:21, Suparna Bhattacharya wrote:
> > <snip>
> > > The following patch from Anton Blanchard's WIP kexec tree 
> > > for ppc64 seems to fix this for me. It just does a use_mm() 
> > > (routine from fs/aio.c) instead of switch_mm(). 
> > > 
> > > Andy could you try this out and see if it helps  ?
> > > 
> > > The other change in Anton's tree that we should probably
> > > include uses a separate kexec_mm rather than init_mm
> > > for the mapping. 
> > > 
> > > Regards
> > > Suparna
> > 
> > Will do. --Andy
> 
> Answer: hard lock-up after decompressing the kernel.  I'll see if I can
> get anything meaningful out of the system before it wedges.

Which kernel is wedging.  The kexec'd kernel.  Or the kernel with
the patch?

Eric
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