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Re: [Xen-users] Problem with grub2 and xen (Ubuntu 10.04)

  • To: Thomas Richard <thomas9999@xxxxxxxxx>
  • From: Bruce Edge <bruce.edge@xxxxxxxxx>
  • Date: Wed, 16 Jun 2010 09:28:29 -0700
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 16 Jun 2010 09:29:48 -0700
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On Wed, Jun 16, 2010 at 9:12 AM, Thomas Richard <thomas9999@xxxxxxxxx> wrote:
Hey all,

I tried to install xen 4.0.1-rc3pre on my ubuntu installation. The
installation seemed to work. I also compiled my own dom0 kernel
( The kernel works perfect when i boot it without xen.
However, when i want to start the xen hypervisor i get the following
error from grub: "Error: couldn't open file", followed by some lines
that say that the multiboot kernel should be loaded first.

This is my menu entry:
menuentry "Xen 4 / Ubuntu 10.04 kernel" {
insmod ext2
set root='(hd2,2)'

Drop the quotes from the above?
multiboot (hd2,2)/boot/xen.gz /boot/xen.gz
module (hd2,2)/boot/vmlinuz- dummy=dummy nopat
root=/dev/sdc2 ro console=tty0 ro console=tty0

I had some problems with different xen / dom0 combinations not being able to handle all forms of root fs designations,.
Try the "root=UUID= ... " format on the kernel command line.

module (hd2,2)/boot/initrd.img-

I'm pretty sure that hd2,2 is correct as booting the linux kernel with
that drive as root works. I also tried without the /boot but that
didn't help. Does anyone have an idea what causes this problem?

Thomas Richard

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