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Re: [Xen-devel] Mini-OS and serial output

To: <lists@xxxxxxxxx>
Subject: Re: [Xen-devel] Mini-OS and serial output
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Mon, 09 Jul 2007 09:51:57 +0100
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On 9/7/07 09:42, "Michael Frey" <lists@xxxxxxxxx> wrote:

> I've built Xen with "make debug=y" and added some necessary lines to
> grub.conf. Furthermore I've connected a second workstation via serial to
> the Xen workstation and I got the the output from the boot process and
> various other things. I start the mini-os domain and I get no
> "Bootstrapping .." line as defined in extras/mini-os/kernel.c
> 
> So I have a debug build of Xen (I suggest) and I get some output via
> serial console, but the mini-os serial output doesn't seem to work.
> Suggestions?

Add some tracing to the hypercall inside Xen, conditional on calling domain
id being != 0, to confirm that the hypercall is actually being invoked, and
to discover why the messages are being dropped.

 -- Keir


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