Re: [Xen-devel] HVM guests hanging in hpet_rtc_interrupt

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2013-02-04 at 15:50 +0000, Olaf Hering wrote:
> On Mon, Feb 04, Ian Campbell wrote:
> 
> > On Mon, 2013-02-04 at 15:27 +0000, Olaf Hering wrote:
> > > On Mon, Feb 04, Olaf Hering wrote:
> > > 
> > > > Now I'm going to boot into sles11 dom0 and see if the hpet1 messsages
> > > > are really gone.
> > > 
> > > With sles11 dom0+domU there are no more hpet1 messages when started from
> > > xend.
> > > 
> > > 
> > > With xl however I now get a hanging guest, which I did not see before this
> > > patch. But this happens only if it is booted with quiet, with 'debug
> > > ignore_loglevel' booting works fine.
> > > Also xl list shows the domain in paused state?!
> > 
> > [...]
> > >   [<ffffffff812a9543>] acpi_os_write_port+0xe  <--
> > 
> > I expect this will have trapped to qemu, which would explain why the
> > vcpu is paused, but not why qemu appears to not be responding. Maybe
> > something in the qemu logs will shed some light?
> 
> I was running xenctx in another window, and it leads to this sort of
> hang.

That is, erm, interesting!

Ian.


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