Re: [Xen-users] xen SUSE 9.3 ReiserFS domU not finding root fs

[Fernando Maior <fernando.souto.maior@xxxxxxxxx>]

On 5/13/05, Daniel Netzer | zeroconcept.de <daniel.netzer@xxxxxxxxxxxxxx> wrote:
> Hi,
> 
> I have trouble starting my domU on a suse 9.3 box. I use the xen that
> shipped with suse.
> 
> I use file backed VMs and created the root and swap images. I used
> mkreiserfs to format the image file and installed suse 9.3 via the YaST
> module "install into directory for XEN". finally I created /etc/fstab IN
> the loop mounted image file:
> 
> /dev/sda1            /                    reiserfs   defaults
>     1 1
> /dev/sda2            swap                 swap       pri=42
>     0 0
> devpts               /dev/pts             devpts     mode=0620,gid=5
>     0 0
> proc                 /proc                proc       defaults
>     0 0
> 
> If I boot such a domU  - it panics while booting saying something like:
> "Not syncing root file system - rebooting in <1>". If I use an image
> file which was formatted with ext3 (again adjusted the /etc/fstab)
> everything works fine and SUSE is booting. After a closer look I noticed
> that the ext3 filesystem is used in ext2 mode only.
> 
> How do I use ReiserFS for my unprivileged Domains? Do I need an initrd?
> How do I configure it? I tried the /boot/initrd-xen from suse and used
> the following line in my config but it doesn´t seem to work too:
> 
> ramdisk = "/boot/initrd-xen"
> 
> Can anybody help?
> 
> thanks a lot!
> Daniel

Is it possible your dom0 initrd is not loading reiserfs module? First look 
is at the /etc/sysconfig/kernel in your dom0 root file system. Mount it
and look at that file, there should be a line like:

INITRD_MODULES="reiserfs"

Also, there was a thread in the list this week about problems with the
mkinitrd, where the mkinitrd just kept using the modules for the old 
non-xen kernel, instead of the xen kernel. Gerd Knorr is one of the
participants.

-- 
Bye,
Fernando Maior
LPIC/1 31908

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