From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
"Justin P. Mattock" <justinmattock@gmail.com>,
linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [ 286.547348] BUG: unable to handle kernel paging request at 6b6b6b6b
Date: Wed, 7 Jan 2009 13:27:28 +0100 [thread overview]
Message-ID: <20090107122728.GB4633@osiris.boeblingen.de.ibm.com> (raw)
In-Reply-To: <b6a2187b0901070336u1cb0bc94i1e47a68d8ea671c@mail.gmail.com>
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@cs.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?
next prev parent reply other threads:[~2009-01-07 12:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 0:12 Justin P. Mattock
2009-01-07 6:48 ` Pekka Enberg
2009-01-07 8:13 ` Justin P. Mattock
2009-01-07 8:30 ` Pekka Enberg
2009-01-07 9:15 ` Heiko Carstens
2009-01-07 9:19 ` Pekka Enberg
2009-01-07 11:36 ` Jeff Chua
2009-01-07 12:27 ` Heiko Carstens [this message]
2009-01-07 13:51 ` Jeff Chua
2009-01-07 15:19 ` [PATCH] stop_machine/cpu hotplug: fix disable_nonboot_cpus Heiko Carstens
2009-01-07 15:23 ` Ingo Molnar
2009-01-07 15:30 ` Frédéric Weisbecker
2009-01-07 15:52 ` Justin P. Mattock
2009-01-08 5:13 ` Justin P. Mattock
2009-01-07 15:28 ` [ 286.547348] BUG: unable to handle kernel paging request at 6b6b6b6b Justin P. Mattock
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