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[Xen-users] pygrub error booting iso



I mounted an iso file like so:
-------------------------------------------
# mount -o loop=/dev/loop0 /path/to/iso /tmp/mnt
#ls /tmp/mnt
cdromupgrade  dists  doc  install  isolinux  md5sum.txt  pics  pool  preseed  README.diskdefines  ubuntu
-------------------------------------------

I used the following file to try to have pygrub boot the mounted iso:
-------------------------------------------
name = "RESCUE"
memory = 1024
vcpus = 4
bootloader = '/usr/local/bin/pygrub'
kernel = "/boot/vmlinuz-2.6.32.13"
ramdisk = "/boot/initrd.img-2.6.32.13"
disk = [
    'phy:/dev/loop0,hdc:cdrom,r',
    "tap:aio:/var/lib/xen/images/CLOUD-CC-1.img,xvda,w"
]




vfb = [ 'type=vnc,vncunused=1' ]
-------------------------------------------

Then I tried to create:
-------------------------------------------
# xm create test.py
Using config file "./test.py".
Error: Boot loader didn't return any data!
-------------------------------------------

Is there something else I need to get pygrub to boot an iso?

-Gerry


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