Re: [Xen-users] unable to boot dom0: kernel panic

["Prabhakar Chaganti" <pchaganti@xxxxxxxxx>]

It seems to be failing even to mount your initrd image. Try compiling support for ext3 into your kernel instead of  as a module. 

-prabhakar

On 3/21/07, Danilo Dongiovanni <danilo.dongiovanni@xxxxxxxxxxxx> wrote:

Hi All,
After successfully installing xen 3.0 on a few machines, now  I  have  a
problem booting xen kernel for a dom0 host domain on a Supermicro PIV 1g
RAM machine with two ide disks with 40gb each.

Here's the last lines of the booting before kernel panic

<<
...
Creating /dev
Starting  udev
Loading ide-disk.ko module
ide_disk: no version for "struct module" found: kernel tainted.
input: AT Translated Set 2 keyboard as /class/input/input0
Loading jbd.ko module
Loading ext3.ko module
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed 22
umount /initrd/dev/failed: 2
Kernel panic - not syncing: Attempted to kill init!
>>


here's the grub.conf
<<
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/hda1
#          initrd /boot/initrd-version.img
#boot=/dev/hda
default=0
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Scientific Linux CERN SLC (2.6.9-42.0.10.EL.cern)
        root (hd0,0)
        kernel /boot/vmlinuz-2.6.9-42.0.10.EL.cern ro root=LABEL=/ rhgb
quiet
        initrd /boot/initrd-2.6.9-42.0.10.EL.cern.img
title Scientific Linux CERN (2.6.9-42.0.2.EL.1.cern)
        root (hd0,0)
        kernel /boot/vmlinuz-2.6.9-42.0.2.EL.1.cern ro root=LABEL=/ rhgb
quiet
        initrd /boot/initrd-2.6.9-42.0.2.EL.1.cern.img
title Xen stable
        root (hd0,0)
        kernel /boot/xen.gz dom0_mem=262144
        module /boot/vmlinuz-2.6-xen root=/dev/hda1
        module /boot/initrd-2.6-xen.img
>>

and

here's the df command output showing the partition
# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda1             10080488   5799344   3769076  61% /
/dev/hda2             27372156     77888  25903844   1% /VM1
/dev/hdb1             39516244     81984  37426940   1% /VM2
none                    513768         0    513768   0% /dev/shm



Any suggestion?
Thanks in advance
Danilo


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