Re: [Xen-users] pv_ops domU crashes on pv_ops dom0 (directly at boot)

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jan 19, 2010 at 12:10:12PM +0100, Markus Schuster wrote:
> On Tuesday 19 January 2010 11:51:52 Pasi Kärkkäinen wrote:
> > On Tue, Jan 19, 2010 at 11:24:02AM +0100, Markus Schuster wrote:
> > > Hi together,
> > >
> > > some new findings from my side: I tried booting a 32bit PAE 2.6.32 kernel
> > > (for some 32bit domU) and that WORKS :)
> > > So the bug seems to lay in the 64bit part of some code (Remember: I use
> > > 64bit XEN and dom0).
> > 
> > Did you try the latest 2.6.32.3 version?
> 
> I tried Debians "linux-image-2.6.32-trunk-686-bigmem_2.6.32-5_i386.deb" and 
> according to Debians changelog it's indeed based on 2.6.32.3. 
> But I tried this kernel image in it's amd64 flavor, too - and there it 
> chrashes like evey other version before...
> 

What's the hypervisor version btw?

Can you configure the guest to have on_crash=preserve in /etc/xen/<guest> 
cfgfile 
and then use xenctx to get a stacktrace of the crashed guest.

When the guest is crashed, run in dom0:

/usr/lib/xen/bin/xenctx -s System.map-domUkernelversion <domid>

In 64b dom0 xenctx might be under /usr/lib64/

-- Pasi


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