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Re: [Xen-ia64-devel] RE: [PATCH] fixed serial console support

To: Alex Williamson <alex.williamson@xxxxxx>, "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>
Subject: Re: [Xen-ia64-devel] RE: [PATCH] fixed serial console support
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Fri, 2 Dec 2005 15:37:04 +0200
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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[...]
>
> >  Also,
> > will this eliminate the need to have CONFIG_VT=y
> > on dom0 and CONFIG_VT=n on domU?
>
>    I don't know, I never really understood the problem there.  Xen
> provides a ttyS (serial) console device to dom0  and a tty (vt) device
> to non-dom0 domains.  I would therefore have expected domU to need
> CONFIG_VT=y.  What was the problem with CONFIG_VT on domU before?
I think the problem is here: if Xen console is enabled on DomU, then CONFIG_VT 
can't register itself (because the name is already used).

Tristan.


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