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xen-devel
Re: [Xen-devel] Tagging Xen 4.0.0 first release candidate / pygrub dom0
On Wed, Jan 06, 2010 at 03:50:05PM +0200, Pasi Kärkkäinen wrote:
> On Tue, Jan 05, 2010 at 06:42:05AM +0000, Keir Fraser wrote:
> > I plan to tag -rc1 later this week. If you have any outstanding patches,
> > please send them to the list now.
> >
>
> Hmm.. I just remembered this pygrub bug:
> https://bugzilla.redhat.com/show_bug.cgi?id=466681
>
> pygrub doesn't use O_DIRECT so sometimes it gets old information
> from dom0 kernel cache - and fails to use the updated domU grub.conf.
>
> Redhat seems to have patches available for testing.. not for
> xen-unstable though.
>
> I've personally hit this bug many times.
>
It seems Redhat guys have a fix available.. they fixed the problem by
patching dom0 kernel blkback.
More details about the fix here:
https://bugzilla.redhat.com/show_bug.cgi?id=466681
Should this be applied to 2.6.18-xen and pv_ops dom0 kernels aswell?
-- Pasi
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