Re: [Xen-users] How do I get rid of vfb?

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Mon, Nov 04, 2013 at 10:26:38AM +0000, Ian Campbell wrote:
> On Fri, 2013-11-01 at 11:51 +1300, Lloyd Parkes wrote:
> > On 1/11/2013, at 5:32 am, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> > 
> > > On Thu, 2013-10-31 at 13:41 +1300, Lloyd Parkes wrote:
> > >> disk = [ âfile:/disk-image,0x1,w' ]
> > > 
> > > This is why you are getting a qemu -- it is being used to provide the
> > > "qdisk" PV disk backend. It is not being used to provide any emulated
> > > devices.
> > 
> > Thatâs the magic I was missing.
> > 
> > > I don't think this should result in any VFBs being created, but qemu may
> > > be noisy about this while not creating them (you didn't quote the actual
> > > message so I can't say for sure).
> > 
> > It turns that it does change something in how the console works. Once
> > I got rid of qemu the command âxl consoleâ started to work. The
> > command "xenstore-ls -fâ shows that console/type is now âxenconsoledâ
> > instead of âioemuâ. Iâve also noticed that console/tty is no longer
> > empty.
> 
> Stefano/Anthony, is this a bug in qemu-xen that it doesn't correctly
> provide the necessary console services for PV domains or a bug in libxl
> because it is configuring the console via qmeu in the first place? (Or
> some third bug...)

:(, I don't know. I've tried to start a random Linux guest in PV mod,
with a qdisk provided, and it't look like "console/type = xenconsoled",
and nothing about a vfb.

-- 
Anthony PERARD

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