Re: [Xen-users] Problem when booting Xen for the first time.

[James Bulpin <James.Bulpin@xxxxxxxxxxxx>]

Simple answer: your root= option is wrong, it should probably be
root=/dev/hda2 or similar.

If your xen.gz and kernel image files live in /boot and grub can find
e.g /xen.gz rather than /boot/xen.gz on hd0,0, then you will find
that your Linux installation has a separate /boot partition (hda1) and
the root partition is elsewhere (e.g. hda2). Boot into native Linux
and run "mount" to see. The root partition (mounted as /) is the one you
want to use with root= on the kernel command line. 

The documentation isn't wrong, it shows a typical example which will
vary with particular configurations.

James

On Wed, 2005-05-11 at 14:38, Jack B wrote:
> Hi all.
>   I wanna try Xen to compare it face to VMWare and face to QEmu but I've a 
> little problem.
>   I've installed it correctly - I think - and define in the grub.conf file 
> the following entry :
>        title Xen 2.0 / XenLinux 2.6.10
>           root (hd0,0)
>           kernel /xen.gz dom0_mem=131072
>           module /vmzlinuz-2.6.10-xen0 root=/dev/hda1 ro console=tty0
> 
>   My Linux main partition is on hda1.
>   Files xen.gz and vmzlinuz-2.6.10-xen0 are present on /boot (I must also 
> highlight a problem in Xen documentation taht say to write /boot/xen.gz and 
> /boot/vmzlinuz... in the grub file. But when specifying /boot grub don't 
> find the files).
> 
>   The problem is that Xen kernel boot (xen file is find) and apparently 
> vmzlinuz too but reboot after some few seconds. The only message I can read 
> is :
>          Kernel Panic : Syncing no init found try passing init= option to 
> kernel
> 
>   Anyone have an ideas about that ??? What initrd image must I set to solve 
> this ?
>   What debug informations can I give you to detail more accurately the 
> problem ?
> 
> Thanks.
> JB
> 
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