Re: [Xen-users] Ubuntu 12.10 out of the box with Xen 4.1

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sat, 2013-08-03 at 11:06 -0400, Russ Pavlicek wrote:
> So I spent most of the night trying to assemble a new (to me; used)
> travel laptop using Ubuntu 12.10 LTS and Xen.  I decided to get the
> user experience of installing Xen as described in one of the Ubuntu
> docs.
> 
> Well I got it installed, but it doesn't run.  The Dom0 kernel panics
> (e.g., kernel panic -not syncing: Attempted to kill init),

This usually indicates that your init process has exited for some
reason, often a userspace (perhaps initrd related) reason.

I assume it boots with the non-Xen option just fine?

>  and most of
> the useful information is gone from the screen by the time it dies
> (there is part of a stackdump above it, but no sign of what actually
> caused the dump).  This laptop has no serial port to capture the log
> and it is too early in the boot to try a network console.  I'm at the
> point where I am thinking of trashing this altogether and trying
> Fedora.
> 
> Is there anything I can do to capture the log so I can pinpoint a
> cause for this?

If you add "noreboot" to the hypervisor command line then it won't
automatically reboot when dom0 crashes and you may get some additional
info.

You could also try using the vga=ask option (also hypervisor cmdline) to
select an increased resolution which includes more lines.

A digital photo of whatever you manage to get might be enough to ring a
bell with someone.

Command line reference is at
http://xenbits.xen.org/docs/unstable/misc/xen-command-line.html

Ian.

> 
> Thanks,
> 
> Russ
> 
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