[Xen-users] Can't get template (domU) to work

["Tito Valentin" <daemonracing@xxxxxxxxx>]

Hello All,

I have been having a very difficult time getting any template to work on xen.  Here is what I am running

root@personal:/etc/xen-tools# xm info
host                   : personal
release                : 2.6.22-14-xen
version                : #1 SMP Tue Feb 12 09:27:26 UTC 2008
machine                : i686
nr_cpus                : 2
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 1
threads_per_core       : 2
cpu_mhz                : 3059
hw_caps                : bfebfbff:00000000:00000000:00000080:00004400
total_memory           : 2046
free_memory            : 456
xen_major              : 3
xen_minor              : 1
xen_extra              : .0
xen_caps               : xen-3.0-x86_32p 
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xf5800000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2
cc_compile_by          : buildd
cc_compile_domain      : buildd
cc_compile_date        : Fri Oct 12 15:08:23 GMT 2007
xend_config_format     : 4

Now, I have these three files:

/etc/xen/gentoo.2007-0.xen3.cfg
/mnt/gentoo/gentoo.2007-0.img
/mnt/gentoo/gentoo.swap

Here is what my gentoo.2007-0.xen3.cfg looks like:

root@personal:/etc/xen# cat /etc/xen/gentoo.2007-0.xen3.cfg 
kernel = "/boot/vmlinuz-2.6.22-14-xen"
memory = 456
name = "gentoo.2007-0"
vif = [ '' ]
dhcp = "dhcp"
#disk = ['file:/mnt/gentoo/gentoo.2007-0.img,sda1,w', 'file:/mnt/gentoo/gentoo.swap,sda2,w']
disk = ['tap:aio:/mnt/gentoo/gentoo.2007-0.img,xvda1,w', 'tap:aio:/mnt/gentoo/gentoo.swap,xvda2,w']
root = "/dev/xvda1 ro"
#initrd = "/boot/initrd.img-2.6.22-14-xen"
extra = "gentoo=nodevfs"

The problem is that everytime I do:

root@personal:/etc/xen# xm create gentoo.2007-0.xen3.cfg -c

I get:

[ 6195.091118] List of all partitions:
[ 6195.091146] ca01    2049024 xvda1 driver: vbd
[ 6195.091157] ca02      65536 xvda2 driver: vbd
[ 6195.091167] No filesystem could mount root, tried:  cramfs
[ 6195.091179] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(202,1)

That happens during the boot of the new domU.  I have tried to figure out if my problem was here in my gentoo*.cfg file:

#disk = ['file:/mnt/gentoo/gentoo.2007-0.img,sda1,w', 'file:/mnt/gentoo/gentoo.swap,sda2,w']
disk = ['tap:aio:/mnt/gentoo/gentoo.2007-0.img,xvda1,w', 'tap:aio:/mnt/gentoo/gentoo.swap,xvda2,w']
root = "/dev/xvda1 ro"

But I have nooooo luck.  I have looked online everywhere and through the mailing list to no avail.  Does anyone know why this could be happening?

Regards,
T

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