On Mon, Feb 27, 2006 at 07:13:53PM +0000, Ewan Mellor wrote:
> On Mon, Feb 27, 2006 at 02:06:14PM -0500, Sean Dague 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.
>
> Please could you use xen-bugtool to attach your logs to that bug #549 -- I'm
> not sure it's the same root cause.
No problem, xen-bugtool now run with files attached.
-Sean
--
Sean Dague
IBM Linux Technology Center email: japh@xxxxxxxxxx
Open Hypervisor Team alt: sldague@xxxxxxxxxx
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