xen-tools and debian on Fedora

[Frederick N. Brier]

I am trying to create a DomU Debian guest VM.  I tried a Debian-Etch 
DomU from jailtime.org.  Lots of my own issues, discovering other people 
having the same exact problems, but no solutions.  So I installed 
debootstrap and xen-tools and tried that.  Again like many other people 
I ran into the "VFS: Cannot open root device "hda1" or 
unknown-block(0,0)" issue.  I have not figured out why the cfg file is 
not being generated in /etc/xen, but I have gotten it to generate images 
using the file image and LVM (creating the Logical Volumes).  I just 
hand coded the cfg file.  After they were generated, I mounted both 
images and noticed that neither had hda1 or hda2 device files in /dev.  
That would seem to be a problem.  Please help!  A link to tutorial or 
answer would be fabulous.  The only thing I have not tried yet is using 
pygrub and bundling the kernel and .img files with the guest and not 
using the fc8xen kernel and images in the Dom0's boot folder.  Thank you 
for any help.

Fred

[Jan de Haan]

Hi Frederick,

   it depends a bit on wether you run a PVM or a HVM, but in latter case I
got very good results with booting from the mini.iso:
http://<repo>/debian/dists/etch/main/installer-i386/current/images/netboot/mini.iso

my domain.cfg:

kernel = "/usr/lib/xen/boot/hvmloader"
builder='hvm'
device_model = '/usr/lib/xen/bin/qemu-dm'
memory = 512
name = "vm1"
vcpus=1
pae=0
acpi=0
apic=0
cpus = ""
vif = [ 'type=ioemu, mac=aa:00:bb:cc:00:d4, bridge=192.168.1.2' ]
disk = [ 'file:/var/lib/xen/vm1-hda.img,ioemu:hda,w',
'file:/var/lib/xen/debian-4.0r1-installer-gtk-netboot-mini.iso,hdc:cdrom,r'
]
on_poweroff = 'destroy'
on_reboot   = 'destroy'
on_crash    = 'destroy'
boot='d'
sdl=0
vnc=1
vncviewer=0
stdvga=0
serial='pty'
ne2000=0
usb=1
usbdevice='tablet'


Sincerely,

Jan.

On Jan 13, 2008 9:57 AM, Frederick N. Brier <fbrier(a)multideck.com&gt; wrote:

>  I am trying to create a DomU Debian guest VM.  I tried a Debian-Etch
>  DomU from jailtime.org.  Lots of my own issues, discovering other people
>  having the same exact problems, but no solutions.  So I installed
>  debootstrap and xen-tools and tried that.  Again like many other people
>  I ran into the "VFS: Cannot open root device "hda1" or
>  unknown-block(0,0)" issue.  I have not figured out why the cfg file is
>  not being generated in /etc/xen, but I have gotten it to generate images
>  using the file image and LVM (creating the Logical Volumes).  I just
>  hand coded the cfg file.  After they were generated, I mounted both
>  images and noticed that neither had hda1 or hda2 device files in /dev.
>  That would seem to be a problem.  Please help!  A link to tutorial or
>  answer would be fabulous.  The only thing I have not tried yet is using
>  pygrub and bundling the kernel and .img files with the guest and not
>  using the fc8xen kernel and images in the Dom0's boot folder.  Thank you
>  for any help.
>
>  Fred
>
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>