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

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

On 5/13/05, Daniel <daniel@xxxxxxxxxxx> wrote:
> Thanks for your help!
> That line "INITRD_MODULES="reiserfs" is in /etc/sysconfig/kernel the
> module seems to be loaded:
> 
> ...
> ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
> Loading kernel/drivers/ide/pci/piix.ko
> Loading kernel/drivers/scsi/aic7xxx/aic7xxx.ko
> Loading kernel/drivers/scsi/megaraid.ko
> Loading kernel/drivers/ide/ide-disk.ko
> Loading kernel/drivers/cdrom/cdrom.ko
> Loading kernel/drivers/ide/ide-cd.ko
> Loading kernel/fs/reiserfs/reiserfs.ko
> Waiting for device /dev/sda1 to appear:  ok
> rootfs:  major=8 minor=1 devn=2049
> Mounting root /dev/sda1
> mount: No such device
> Kernel panic - not syncing: Attempted to kill init!
>  <0>Rebooting in 1 seconds..
> 
> but something still goes wrong. Anybody uses XEN from the stock suse 9.3
> with reiserfs?
> Is it correct to specify initrd for xen in the config file like this:
> ramdisk = "/boot/initrd-2.6.11.4-20a-xen"?
> 
> thanks,
> dan
> 
> 
> >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.

Hmm,

I do not use Xen from stock SUSE 9.3, I am using SuSE 9.2 Professional
with Xen compiled from source. And do not have any problems. Far, far
away from what people are saying in this list. The only thing I did different
was to include iptables modules into the domU kernels. 

-- 
Bye,
Fernando Maior
LPIC/1 31908

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