linux-kernel - Re: [ 286.547348] BUG: unable to handle kernel paging request at 6b6b6b6b

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Message-ID: <20090107122728.GB4633@osiris.boeblingen.de.ibm.com>
Date:	Wed, 7 Jan 2009 13:27:28 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	"Justin P. Mattock" <justinmattock@...il.com>,
	linux-kernel@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [ 286.547348] BUG: unable to handle kernel paging request at
	6b6b6b6b

On Wed, Jan 07, 2009 at 07:36:57PM +0800, Jeff Chua wrote:
> On Wed, Jan 7, 2009 at 5:19 PM, Pekka Enberg <penberg@...helsinki.fi> wrote:
> > On Wed, 2009-01-07 at 10:15 +0100, Heiko Carstens wrote:
> >> I missed to convert disable_nonboot_cpus to
> >> stop_machine_create/destroy.
> >> So it's a use before-even-allocated bug.
> >> The patch below should hopefully fix it:
> >> Subject: [PATCH] cpu hotplug: add stop_machine_create/destroy to disable_nonboot_cpus
> > Looks good to me!
> 
> This also fixes the suspend-to-ram/disk problem. Without it, the
> system will just hang.
> 
> Thanks for the fix.

Did you also see the reboot problem and does the patch fix it for you?
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