Xen users - Nov 2005 - Unable to start domain based on ubuntu filesystem

I recently installed Ubuntu 4.05 Hoary on a separate partition (JFS
filesystem), installed Xen on it, and then dd''ed the filesystem into a
file (ubuntu.img).  I also created the requisite config file, which I
have included in this e-mail.  When I try to run it using xm create -c
ubuntu, I get the following error:

IP-Config: Incomplete network configuration information.
jfs_mount: Mount Failure: File System Dirty.           
Mount JFS Failure: -22                     
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(3,1)
                                                                             

************ REMOTE CONSOLE EXITED *****************

Does anyone have a clue as to what''s going on here and how I can fix
it?
-Ricardo-


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On Sunday 06 November 2005 17:03, Ricardo wrote:
> I recently installed Ubuntu 4.05 Hoary on a separate partition (JFS
> filesystem), installed Xen on it, and then dd''ed the filesystem
into a
> file (ubuntu.img).  I also created the requisite config file, which I
> have included in this e-mail.  When I try to run it using xm create -c
> ubuntu, I get the following error:
>
> IP-Config: Incomplete network configuration information.
> jfs_mount: Mount Failure: File System Dirty.
> Mount JFS Failure: -22
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(3,1)
>
>
> ************ REMOTE CONSOLE EXITED *****************
>
> Does anyone have a clue as to what''s going on here and how I can
fix it?
> -Ricardo-
Was the filesystem mounted when you dd''ed it?

Can you boot the domU directly from the seperate partition you used to prepare 
the image?

Can you fsck.jfs the /etc/xen/images/ubuntu.img file?

Can you loopback mount the image file inside dom0?

/Ernst

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1) The filesystem may have been mounted.  I imagine that would cause a
serious problem.

2) How would I boot the domU directly from the separate partition?  Do I
need to change my configuration file?

3) Yeah, fsck.jfs returned an error.  So I dd''ed the filesystem again
and this time it works.  Must''ve been that I had it mounted at the
time.

4) Now I can loopback mount the image file.

As far as configuration is concerned, should I tell the ubuntu config
file to use the domU kernel in the boot directory of the ubuntu image
file?  If so, how would I do that?

-Ricardo-

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