On Mon, Jan 22, 2007 at 08:57:09AM +0000, Stephen Borrill wrote:
> On Sun, 21 Jan 2007, Manuel Bouyer wrote:
> >>I had the same, -current (47 days ago. 4.99.3?) with Xen3. The Dom0 would
> >>lock solid at seemingly random points during boot (during the time when
> >>rc.d scripts were running, i.e. after the kernel messages and devices were
> >>probed). Booting a standard GENERIC worked fine, but as soon as I ran it
> >>as a Dom0 it would wedge. As I was sitting in a co-lo at the time and
> >>needed the machine running ASAP, I had to give up and put on 3.1_STABLE
> >>and Xen2. I didn't have time to do any more investigation, but it's
> >>probably worth a data point.
> >
> >What sort of hardware is it ?
> 
> IBM x305. Single 2GHz P4, 1280MB. 3.1_STABLE dmesg available if necessary.
> 
> >Did you try enabling/disabling ACPI ?
> 
> No, I didn't. Unfortunately, I'm in no position to try at the moment.
> 
> >I had this issue at one time on a SMP motherboard, before I added ACPI
> >support for Xen3 in NetBSD
> 
> It's not SMP, would that make a difference?

I have this issue on a SMP system, and disabling SMP workaround it.
Also it looks like it's related to the serial console, I don't remmeber
running into this with VGA console ...

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
     NetBSD: 26 ans d'experience feront toujours la difference
--