[Fedora-xen] Status of Xen on FC6 2.6.20.x
Daniel P. Berrange
berrange at redhat.com
Fri May 25 12:48:55 UTC 2007
On Fri, May 25, 2007 at 08:44:14AM -0400, Jeff Layton wrote:
> On Tue, 22 May 2007 01:33:00 +0100
> "Daniel P. Berrange" <berrange at redhat.com> wrote:
>
> > On Mon, May 21, 2007 at 05:55:47PM +0100, Daniel P. Berrange wrote:
> > > On Mon, May 21, 2007 at 09:41:26AM -0700, John Casey wrote:
> > > > Can someone tell me or give me a pointer to the status of Xen on FC6 kernel
> > > > 2.6.20.x? I've read about and experienced some serious instability on
> > > > 2.6.20.x and was wondering when a stable release was expected. All of the
> > > > threads I've read say to use Xen on 2.6.18, but since Xen is not a critical
> > > > requirement for me, I'd like to wait until it comes out on 2.6.20 (or FC7)
> > > > which ever comes first.
> > >
> > > F7 is arriving real soon now and will be Xen 3.1.0 + 2.6.20 kernel. This
> > > kernel will fix the 3 core kernel-xen bugs that are being experianced by
> > > most people (one 32-bit data corruption issue, 2 SMP bugs).
> > >
> > > We're going to apply these same patches to the FC6 kernel-xen which should
> > > also resolve the stability issues seen on the FC6 2.6.20 builds. I don't
> > > have an exact timeframe for this, but it should be in updates-testing at
> > > least fairly soon.
> >
> > By fairly soon, I in fact mean 'now' :-)
> >
> > kernel-2.6.20-1.2952.fc6 has just hit updates-testing which has the following
> > fixes, so go forth & test...
> >
> >
> > * Tue May 15 2007 Eduardo Habkost <ehabkost at redhat.com> 1.2950
> > - Xen kernel: added patch to initialize pda properly on smp_prepare_cpus()
> > * Mon May 14 2007 Eduardo Habkost <ehabkost at redhat.com>
> > - Xen kernel: added patch from Stephen C. Tweedie. Fix crashes and
> > hangs, by making critical_fixup_table correct.
>
> I've done a bit of testing with kernel-xen-2.6.20-1.2952.fc6 and it
> *does* seem to fix up the horrible instability I was seeing on i686.
> The only issue I've seen with this kernel is that my machine hangs just
> after "System halted" on shutdown (it never powers off). I'm thinking
> that that's likely unrelated to the HV fixes, however.
Yep, please file a separate bug report for the shutdown problem - its likely
to be particular to your hardware.
Regards,
Dan,
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