Re: Linux HVM domUs crashing

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Apr 27, 2011 at 07:51:50PM +0100, Gerard Lally wrote:
> I'm trying to get Debian and Scientific Linux HVM domUs going. I have a
> Windows XP domU and a Slackware PV domU successfully booting. I can't
> get Debian/SL working as either PV or HVM domUs.
> 
> For HVM I am using the example HVM config found
> in /usr/pkg/share/examples/xen.
> 
> Here is my debian.cfg, for example, with comments stripped out.
> 
> 
> ------------
> kernel = "/usr/pkg/lib/xen/boot/hvmloader"
> device_model = '/usr/pkg/libexec/qemu-dm'
> builder='hvm'
> name = "debian"
> 
> memory = 768
> 
> vif = [ 'mac=00:16:3e:00:00:13, bridge=bridge0, type=ioemu' ]
> 
> disk = [ 'file:/vnode/debian.img,ioemu:hda,w', \
>       'file:/mnt/wd2a/debian.iso,ioemu:hdc:cdrom,r' ]
> boot='d'
> 
> vnc = 1
> vncunused = 1
> 
> usb=1
> usbdevice='tablet'
> ------------
> 
> I created the disk as follows:
> 
> dd if=/dev/zero of=/vnode/debian.img bs=1m count=12288
> 
> I start this domU as root from an xterm:
> 
> xm create /usr/pkg/etc/xen/debian.cfg
> 
> I use TightVNC viewer to bring up a screen which shows me the Debian
> installer waiting for me to select Install or Graphical Install.
> 
> As soon as I click Install a ramdisk seems to load and then the whole
> computer crashes - domU, dom0, the lot. The computer reboots.

Can you get something printed on console when this happens ?
if you're running X11 on this system, maybe try in text mode so you have a
chance to see something.
Also set ddb.onpanic=1 in /etc/sysctl.conf to get more infos in case
of panic.


> 
> The same thing happens with Scientific Linux and Zenwalk Linux HVM
> domUs.
> 
> The only Linux domU I am able to get working so far is a Slackware PV
> domU. I tried Debian and Scientific Linux PV domUs as well but I had no
> success.

Scientific Linux PV is running fine for me ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--