Re: [Xen-users] [xm create] VFS: Unable to mount root fs on unknown-block(3, 1)

[AnOnJoe <anonjoe@xxxxxxxxx>]

I solved my problem : 
It was a pb with initrd.
I just add the line : 
ramdisk = "/boot/initrd.img-2.6.18-5-xen-686"
on my domain.cfg

On Nov 25, 2007 8:44 PM, AnOnJoe < anonjoe@xxxxxxxxx> wrote:

My LVM Volume : AnOnLVDeb isn't partioned.
The file system is ext3, and yes i can mount /dev/AnOnVG/AnOnLVDeb in my dom0
When i tried to call hda instead of hda1 in my config file, i've got the same error, exept the last line :
VFS: Unable to mount root fs on unknown-block(3,0)
Unknown-block is now 3,0 instead of 3,1

On Nov 25, 2007 5:15 PM, Chris Cameron < chris@xxxxxxxxxxxx > wrote:

Is your lvm volume partitioned? You may want to try calling it hda in your xen config file instead of hda1. Can you mount the volume in your dom0?

Thanks!

Chris Cameron

On Nov 25, 2007, at 8:39 AM, AnOnJoe < anonjoe@xxxxxxxxx> wrote:

My DomU /etc/fstab :
/dev/hda1          /          ext3          defaults          0         1

On Nov 25, 2007 2:16 PM, Peter Tersløv Forsberg < thevillain@xxxxxxxxx> wrote:

On Nov 25, 2007 11:57 AM, AnOnJoe < anonjoe@xxxxxxxxx> wrote:
> Hi,
> I can't create my domain.
> /dev/AnOnCG/AnOnLVDeb = LVM
>
> domain.cfg :
> > kernel = "/boot/vmlinuz- 2.6.22-14-xen"
> > memory = 256
> > name = "debian-guest"
> > vcpus = 1
> > disk = [ 'phy:/dev/AnOnVG/AnOnLVDeb,hda1,w']
> > root = "/dev/hda1 ro"
>
> /boot/grub/menu.lst :
> > title           Xen 3.1 / Ubuntu 7.10, kernel 2.6.22-14-xen
> > root            (hd0,0)
> > kernel          /xen-3.1.gz
> > module          /vmlinuz- 2.6.22-14-xen
> root=UUID=40b4ee9c-3626-4661-b92d-7748485bca12 ro console=tty0
> > module          /initrd.img-2.6.22-14-xen
> >
>
> but when i lauch xm create :
> > xm create -c domain.cfg vmid=1
> >
>
>  I have an error :
> > [ 3265.354447] List of all partitions:
> > [ 3265.354472] 0301    5242880 hda1 driver: vbd
> > [ 3265.354484] No filesystem could mount root, tried:  cramfs
> > [ 3265.354500] Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(3,1)
> >
>
> AnOnJoe

just for curiousity - what does your domU /etc/fstab say?

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