Re: [Xen-users] Suse 9.3 "kernel panic - not syncing: VFS: Unable tomount root fs on unknown-block (8, 1)"

[e&v <ervin23@xxxxxxxxx>]

thanks to all of you / the combined ideas you gave me did the trick 
... I have several domins running now!

Next step is to get the network up to speed and the graphical
interface in place  /

Have fun / 

On 6/14/05, Tom Brown <tbrown@xxxxxxxxxxxxx> wrote:
> On Tue, 14 Jun 2005, David F Barrera wrote:
> 
> > > > disk = ['file:/home/name/vm1disk,sda1,w']
> > Try using '0801' instead of sda1
> 
> why? The kernel went to the right spot (8,1)...
> 
> > > > > "kernel panic - not syncing: VFS: Unable to mount root fs on
> > > > > unknown-block (8,1)"
> 
> there just wasn't anything there... which suggests /home/name/vm1disk is
> somehow not correct.
> 
> hhmm, I must be wrong. 2.0.5 won't let you specify an non existant file.
> 
>    [root@xen1 /etc/xen]# xm create bogus -c
>    Using config file "bogus".
>    Error: Error creating domain: vbd: Segment not found:  \
>      uname=file:/home/name/vm1disk
> 
> ok, if I create a bogus file, e.g. not a legit filesystem, I get
> 
>    Kernel panic - not syncing: VFS: Unable to mount root fs on
>    unknown-block(8,1)
> 
> if I now turn around and format that bogus file as a filesystem,
> e.g. mke2fs /tmp/delete.me and boot with
> 
>    disk = [ 'file:/tmp/delete.me,sda1,w']
> 
> I get past that stage, and instead run into the more normal:
> 
>    Warning: unable to open an initial console.
>    Kernel panic - not syncing: No init found.  Try passing init=
>       option to kernel.
> 
> The warning indicates there was no /dev/console, and the "no
> init" means that there was no /sbin/init program on the
> filesystem (no suprise, it was just built for testing, so it was empty).
> 
> Anyhow, to cut a long story short...
> /home/name/vm1disk file does exist, but apparently is not a valid
> filesystem. And that is likely to take more than a few sentences to
> explain away :-(
> 
> -Tom
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
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-- 


mvh/best regards  ervin

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