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

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Mardi 06 Décembre 2005 17:25, Magenheimer, Dan (HP Labs Fort Collins) a 
écrit :
> > From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
> > Subject: Re: [Xen-ia64-devel] RE: [PATCH] fixed serial console support
> >
> > > > >  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?
> > > > Thanks,
> > >
> > > Tristan or Matt, do you know?
> >
> > No idea, but I can try to investigate if you want.
>
> FYI, I tried setting CONFIG_VT=y for domU.  No console output
> after "Freeing unused kernel memory" and then dom0 crashed!
I have just tried again.
For dom0: console does not work (I am searching the reason).
For domU: No console output after "Freeing unused...", but no crash.
Dom0 kernel = domU kernel.

The only bug is why /dev/console does not work.

Tristan.


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