Re: [Xen-users] xenU does nothing

[sten <lists@xxxxxxxxx>]

John Smith wrote:
> On Thu, 30 Jun 2005 21:30:53 -0500
> sten <lists@xxxxxxxxx> wrote:
>
>
> > I'm finally getting to play with Xen, and my plan is to stick all my PCI 
> > devices into a few dedicated xenU domains; I'm starting with the easy 
> > stuff, setting up a Xen guest kernel to manage my physical NICs.
> > approximately everything available built as modules, and/or why my 
> > instance doesn't boot? I've included my instance config file and 
> > attached my xenU kernel config.
> > Thanks!
> >
> > -sten
>
> Hi Sten,
>
>         what I would do is put the domU kernel straight into the boot
> loader (grub) and test wether it works without xen.
>
> Sincerely,
>
> Jan.
Attempting to boot my xenU kernel straight from GRUB results in a 
"unsupported or invalid executable" message; this occurs with both XenU 
and Xen0 kernels, and I assume it's expected behavior since the kernels 
are compiled for the Xen architecture rather than i386. Feel free to 
beat me with a trout if I'm wrong on this.
I went back and tried using my XenU kernel as dom0, which promptly 
failed with "not syncing: VFS". I built an initrd image for the XenU 
kernel, and then I was able to boot with the XenU kernel as dom0; I got 
to a command prompt and could log in. I bounced back into my original 
Xen0 kernel, added a "ramdisk = " line to my xenu config file, re-ran xm 
create -c myfile, and, again, it sat and did nothing.
Maybe the problem isn't the kernel after all; I've tried two types of 
VBDs, file-backed and LVM. I created an LVM image with debootstrap, and 
created the file-backed VBD by dd'ing the contents of my LV into a file. 
I also tried using the process for creating a file-backed VBD in the Xen 
user guide verbatim, and same result. Is there a more foolproof way of 
creating a VBD I could try?
Thanks!
-sten

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