Re: DomU not rebooting in 3.0.1

["Brian Hays" <brian.hays@gmail.com>]

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My domU is on the same physical CPU as dom0 but still doesn't come back from
reboots.

Brian

On 2/27/06, Sean Dague <japh@us.ibm.com> wrote:
>
> On Mon, Feb 27, 2006 at 03:33:17PM +0000, Ewan Mellor wrote:
> > On Sat, Feb 25, 2006 at 11:31:57AM -0500, Brian Hays wrote:
> >
> > > In 3.0.1 it appears that reboots from within a domU result in the domU
> > > shutting down but not coming back up.
> > >
> > > /var/log/xen-hotplug.log reports something similar to "xenstore-list:
> > > could not read path backend/vbd/40"
> > >
> > > Attempts to manually start the domU up again via "xm create" fail
> until
> > > first running "xenstore-rm backend/vbd/40"
> > >
> > > This has happened on several occasions within different domU's on
> > > different machines. Is there a known workaround... Is this already
> fixed
> > > in unstable?
> >
> > This is being tracked as bug #514.  I think I have a fix, which should
> be in
> > today, all being well.
>
> Ewan, I didn't notice 514, but I submitted a related bug
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=549.  It appears
> that
> the big deciding factor on whether or not I see the race is is the DomU
> that
> is rebooting running on a fully independant CPU from Dom0.  If it is, it
> breaks every time, if it isn't (i.e. it is on the *same* phys CPU as Dom0)
> it works every time.
>
>         -Sean
>
> --
> Sean Dague
> IBM Linux Technology Center                     email: japh@us.ibm.com
> Open Hypervisor Team                           alt: sldague@us.ibm.com
>
>
>

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