[Fedora-xen] Xen error on FC 5, problem creating guest

[Pushkar Pande]

Hi,
I am working on a P4, 2.4 GHz intel system with 512 MB of RAM. I installed
the xen0 and the xenU kernel that comes along with the installation DVD. I
am able to boot xen, and  the 'xm list' command shows the Domain-0 running.
I tried to build a guest with the following config file

kernel="/usr/lib/xen/boot/hvmloader"
name="FC5Guest"
memory=256
root="/dev/hda1"
disk=['phy:/root/temp/disk.img,hda1,w']
vif=['']

saved to fc5-inst
when i tried to create the guest using 'xm create -c fc5-inst' , i get the
following error
'Error creating Domain: (22, 'Invalid Argument') '

I am new to xen, please help me out.
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