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Re: [Xen-devel] vfb console inhibiting Xen console?

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] vfb console inhibiting Xen console?
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Mon, 6 Jul 2009 10:58:44 +0100
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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On Fri, 3 Jul 2009, Jeremy Fitzhardinge wrote:
> On 07/03/09 04:38, Stefano Stabellini wrote:
> > Yes, you can.
> > Check that /local/domain/$DOMID/serial/0/tty exists and contains the
> > tty path in dom0.
> > If you specify vfb in your config file then qemu provides the console
> > backend and creates that node on xenstore that specify the tty device
> > path.
> > I just tried to start a pv guest with a vfb and didn't have any problem
> > connecting to the console, maybe you don't have an updated qemu tree?
> >   
> I can never tell whether the versions match up or not.  I did a clean
> build and it appeared to do some git pulling.
> But I just did an specific "git pull" in ioemu-remote, and the behaviour
> has changed.  Now with a vfb it seems to hang forever: the domain
> appears to boot, but there's no console output, and it doesn't seem to
> have brought up its network.  There's nothing on the vfb either. 
> /local/domain/$DOMID/serial/0/tty has /dev/pts/1, which the xenconsole
> process has open.
> If I remove the vfb in the config, it works as expected.

What are the command line options to qemu in dom0?
Is fbcon loaded in the guest?
Could you please also send me the qemu log

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