Creating Xen guests in FC6

[Karl Stevens]

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Hi All,

I'm trying to set up Xen using FC6 as dom0, and am having zero success
getting any guest OS to run.

I've tried using both file and physical devices as root, but no matter
what I try, the vm always crashes with the following message:

VFS: Cannot open root device "sda1" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)

(I've tried both hda1 and sda1 as root, neither one works.)

The xen config I'm using is as follows:

kernel = "/boot/vmlinuz-2.6.18-1.2798.fc6xen"
memory = 256
name = "test"
vif = [ '' ]
disk = ['file:/xen/test.img,sda1,w','file:/xen/test.swap,sda2,w']
root = "/dev/sda1 ro"

The file /xen/test.img exists, is not mounted by dom0, and contains a
linux system (verified via mount -o loop, and umounted before I try to
run xm create.)
According to the Xen documentation, I believe this should work.

Is there a fc6-specific initrd that I need?

Thanks,
Karl
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