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

[e&v <ervin23@xxxxxxxxx>]

 hi david & thanks,

the fstab is changed within the image to root / as /dev/sda1 :-)  and
I assume that the ttylinux file rootfs.gz has the same root device
"/dev/sda1" (... you can't change it anyway)

ciao

On 6/14/05, David_Schmidt@xxxxxxxx <David_Schmidt@xxxxxxxx> wrote:
> It's possible that the fstab is incorrect inside your image.  Make sure
> it is mounting / as /dev/sda1.
> 
> David
> 
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of e&v
> Sent: Tuesday, June 14, 2005 3:12 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Suse 9.3 "kernel panic - not syncing: VFS: Unable
> tomount root fs on unknown-block (8, 1)"
> 
> hi, hope you can help or at least give me a hint how to proceed.... I
> have Xen up and running with a domain0 but having huge problems in
> getting additional domains created.
> 
>  I followed the instructions in the Suse "readme for xen packages " ->
> http://www.suse.de/~garloff/linux/xen/README.SuSE and I get to e)
> 
> These are the steps I followed:
> Ad 3) YaST dirinstall
> a) Create a root FS image
>     - create disc image file (dd if=/dev/zero of=img ...)
>     - create file system (mkXYZfs img)
>     - mount image (mount -o loop img ...)
>  b) start yast2 dirinstall module, select mounted directory as a target,
>     select required packages (don't forget to select XEN kernel, you
> need
>     some of the kernel modules in the root FS)
>  c) create /etc/fstab in the root FS
>  d) umount image/FS
>  e) configure and start XEN (use the image/FS as storage)
> 
> When I use the config below, when starting a new domain with
> 
> xm create configfile vmid=1 -c .... I get the following error in the
> start up sequence:
> 
> "kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block (8,1)"
> 
> Config.file:
> kernel = "/boot/vmlinuz-2.6.11.4-21.7-xen"
> memory = 100
> name = "suse931"
> nics = 1
> ip = "1.2.3.4"
> disk = ['file:/home/name/vm1disk,sda1,w']
> root = "/dev/sda1"
> 
> By the way I get the same error when trying to start TTYLINUX ... and I
> followed the instructions in the Xen Manual
> (http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html#S
> ECTION02330000000000000000
> 
> --
> 
> ciao ev
> 
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> http://lists.xensource.com/xen-users
> 


-- 


mvh/best regards  ervin

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