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[Xen-users] Newbie Xen + LVM issues for Debian DomU on Centos 5.2 DomO

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Subject: [Xen-users] Newbie Xen + LVM issues for Debian DomU on Centos 5.2 DomO
From: M C <m_c_001@xxxxxxxxxxx>
Date: Tue, 23 Dec 2008 10:54:26 +0000
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I'm trying to install a Debian 4.0 DomU on a Centos 5.2 DomO but I'm having problems. Using the Debian image from jailtime.org with the following config file:

kernel = "/boot/vmlinuz-2.6.18-92.1.22.el5xen"
memory = 1024
name = "debian.4-0.64"
vif = [ '' ]
disk = ['file:/srv/xen/debian.4-0.64.img,sdb1,w',]

root = "/dev/sdb1 ro"

I end up with the following errors on trying to start up the image:

attempt to access beyond end of device
ram0: rw=0, want=18446744056529682440, limit=32768
isofs_fill_super: bread failed, dev=ram0, iso_blknum=17, block=-2147483648
No filesystem could mount root, tried:  ext2 iso9660
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)

Here's what's set up on the host machine:

root% df -h
Filesystem            Size  Used Avail Use% Mounted on
                      143G   22G  114G  17% /
/dev/sdb1              99M   36M   59M  38% /boot
tmpfs                 1.2G     0  1.2G   0% /dev/shm

I should say that I have a guest Centos DomU running just fine on this DomO, but it's the Debian image that's giving me fun and games. This is the (autogenerated) config file that works for the Centos DomU:

name = "vmserver"
memory = "1024"
disk = [ 'tap:aio:/srv/xen/vmserver.img,xvda,w', ]
vif = [ 'bridge=xenbr0', ]

Any clues on how I can get the Debian image to work would be much appreciated!


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