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Re: [Xen-users] Kernel panic on Xen 4.0.1 + Debian Squeeze

To: Ilya Kozlov <unicast.ru@xxxxxxxxx>
Subject: Re: [Xen-users] Kernel panic on Xen 4.0.1 + Debian Squeeze
From: Mark Adams <mark@xxxxxxxxxxxxxxxxxx>
Date: Fri, 17 Sep 2010 17:55:15 +0100
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What partition is root? I believe "set root='(hd0,msdos1)'" is wrong
(dependant on if you actually have the partition setup as msdos!?) --
should be more like "set root='(hd0,1)'"

On Fri, Sep 17, 2010 at 06:05:30PM +0400, Ilya Kozlov wrote:
> Hi.
> I'm trying to run Xen 4.0.1 with Debian Squeeze in Dom0
> My grub config:
> menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 and XEN
> 4.0-amd64' --class debian --class gnu-linux --class gnu --class os --class
> xen {
>  insmod part_msdos
> insmod ext2
> set root='(hd0,msdos1)'
>  search --no-floppy --fs-uuid --set e719719a-35aa-4ada-8ab5-9b6c676bc89e
> echo 'Loading Linux 2.6.32-5-xen-amd64 ...'
>  multiboot /boot/xen-4.0-amd64.gz placeholder iommu=off
> module /boot/vmlinuz-2.6.32-5-xen-amd64 placeholder
> root=UUID=e719719a-35aa-4ada-8ab5-9b6c676bc89e ro  quiet
>  echo 'Loading initial ramdisk ...'
> module /boot/initrd.img-2.6.32-5-xen-amd64
> After boot i see in console:
> Failed to execute /init
> Kernel panic - not syncing: No init found. Try passing init= option to
> kernel
> Pid: 1, comm: swapper Not tained 2.6.32-5-xen-amd64 #1
> Initramfs unpacking failed: junk in compressed archve
> registering netback
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> Kernel vmlinuz-2.6.32-5-xen-amd64 without xen boots normaly.
> My "trouble" server is IBM HS-22 (2x Xeon E5530, 36 GB RAM, LSI SAS).
> The same configuration works correctrly on other machine (supermicro-based).
> But this is not "bad hardware" trouble - i tried two different HS-22
> -- 
> WBR, Kozlov Ilya AKA unicast AKA Lin

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