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xen-users
Re: [Xen-users] Xen Panic w/ dom0 2.6.30.2 (gentoo-xen-kernel.googlecode
On Thu, Aug 06, 2009 at 08:40:12AM +0100, Andrew Lyon wrote:
> On Wed, Aug 5, 2009 at 11:51 PM, Jody Belka<lists-xen@xxxxxxxx> wrote:
> > Tried upgrading in the first place because of a bug in plain 2.6.29 that
> > just recently started catching me out, causing endless BUGs from linux.
> > Since -stable on .29 fixes it as well though, this solution is workable.
>
> What bug might that be?
I was getting loads of bad page state BUGs all over the place. Although I don't
know for definite, I'm pretty sure it was this patch from 2.6.29.2 that fixes
things...
---------------------
commit 1b5479d3a60b192b9f87f63cf77772dcac2fb131
Author: NeilBrown <neilb@xxxxxxx>
Date: Mon Apr 6 20:55:03 2009 +0000
md/raid1 - don't assume newly allocated bvecs are initialised.
upstream commit: 303a0e11d0ee136ad8f53f747f3c377daece763b
Since commit d3f761104b097738932afcc310fbbbbfb007ef92
newly allocated bvecs aren't initialised to NULL, so we have
to be more careful about freeing a bio which only managed
to get a few pages allocated to it. Otherwise the resync
process crashes.
This patch is appropriate for 2.6.29-stable.
Cc: stable@xxxxxxxxxx
Cc: "Jens Axboe" <jens.axboe@xxxxxxxxxx>
Reported-by: Gabriele Tozzi <gabriele@xxxxxxxx>
Signed-off-by: NeilBrown <neilb@xxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
---------------------
J
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