Re: Linux HVM domUs crashing

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

On Wed, Apr 27, 2011 at 11:13:43PM +0100, Gerard Lally wrote:
> I get the following, but Googling this I see you consider these
> harmless:
> 
> Failed to read /local/domain/0/device-model/1/script (No such file or
> directory)
> 
> Failed to read /local/domain/0/backend/console/1/0/script (No such file
> or directory)
> 
> I am just writing the error messages down at the moment because I
> don't have a shared writable partition.
> 
> Another error I get is this, which perhaps isn't so harmless:
> 
> Attach vnd0d
> 
> vnd1 dos partition I/O error
> 
> Does this mean anything to you?

looks like it has problems reading the first sectors of vnd1.
Maybe it's a sparse file ?

> 
> 
> > Also set ddb.onpanic=1 in /etc/sysctl.conf to get more infos in case
> > of panic.
> 
> 
> Done, but I can't get back into NetBSD till tomorrow morning.
>  
>  
> > > 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 ...
> 
> 
> I would of course much prefer SL 6 and Debian 6 as PV domUs. Do you mind
> if I clarify the following?
> 
> Is it enough to extract the kernel and ramdisk from the DVD ISO and
> put them in NetBSD / or do I need to download a separate Xen kernel and
> ramdisk from the SL/Debian website? Will the same kernel work for domU
> installation and daily use? I have even tried compiling a vanilla
> kernel and ramdisk, which works for my Slackware domU but not for these
> other distros.

For SL5, I use the kernel and initrd from 5x/i386/images/xen/ for install.
Once installed, I use pygrub to load the xen kernel from the domU's disk
image (the installer installs the right kernel and initrd for xen).

I installed only one SL6 guest for now; I don't remember which kernel/initrd
I used to start the installer. Probably one from 6x/i386/os/images/pxeboot/
or 6x/i386/os/isolinux/

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