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Re: [Xen-devel] Console output stopped working in Mini-OS

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Console output stopped working in Mini-OS
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Thu, 14 Sep 2006 02:43:01 +0100
Cc: Melvin Anderson <Melvin.Anderson@xxxxxx>, Gregor.Milos@xxxxxxxxxxxx
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> Setting XEN_INTERFACE_VERSION to 0x00030201 in the Mini-OS makefile gets
> console output working again, although I don't guarantee it doesn't
> break other things.
>
> The update from 0x00030201 to 0x00030202 introduced a change in the
> event_channel_op hypercall.  The Mini-OS console driver raises an event
> to indicate data has been written into the console ring.  Is it possible
> that the Mini-OS console driver isn't using the new event channel
> hypercall interface correctly?

I discovered the event channel problem before I read this e-mail and have just 
posted a patch to fix it.

For me, console output is still not work properly though, so some more digging 
may be required.

Cheers,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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