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xen-users
Re: [Xen-users] Re: Can't get template (domU) to work
Todd,
Thanks for the reply. Yes, I have looked through the docs at gentoo and can't find anything regarding modifying the kernel. The thing is that this is a template from jailtime.org and I should not have to modify anything in the kernel. It comes complete with *.img, *.cfg and *.swap. All I should have to do is edit *.cfg to get the system booted but apparently that doesn't work :-(
On Sun, Apr 6, 2008 at 2:15 PM, Todd Deshane < deshantm@xxxxxxxxx> wrote:
Hi Tito,
On Sun, Apr 6, 2008 at 11:40 AM, Tito Valentin < daemonracing@xxxxxxxxx> wrote:
Hello, could anyone please provide some pointers here?
Have you looked through: http://gentoo-wiki.com/HOWTO_Xen_and_Gentoo ?
My guess is that you are missing something in the kernel or initrd, or that your configuration is a little off. It has been quite awhile since I have used gentoo, so i don't have a clear recollection of what the problem is.
Cheers, Todd Thanks again
On Sat, Apr 5, 2008 at 6:41 PM, Tito Valentin < daemonracing@xxxxxxxxx> wrote:
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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