Re: [Xen-devel] Updating Xen 4.1.x xmexamples files (vfb line required for HVM guests)

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jul 26, 2011 at 04:39:41PM +0100, Ian Campbell wrote:
> On Mon, 2011-07-25 at 17:05 -0400, Pasi Kärkkäinen wrote:
> > On Mon, Jul 25, 2011 at 04:39:16PM -0400, jim burns wrote:
> > > On Mon July 25 2011 3:57:23 PM Pasi wrote:
> > > > On Mon, Jul 25, 2011 at 03:48:18PM -0400, jim burns wrote:
> > > > > On Mon July 25 2011 3:31:22 PM Pasi wrote:
> > > > > > On Sat, Jul 23, 2011 at 02:26:56PM -0400, jim burns wrote:
> > > > > > > Pls cc: me, as I am not subscribed.
> > > 
> > > > > > Hello,
> > > 
> > > > > Hi, Pasi! Long time no 'see'.
> > > 
> > > Btw, maybe you were following the thread '[Xen-devel] Failure to create 
> > > HVM 
> > > DomU at Xen 4.1 ( kernel 3.0.0-5-generic) Ubuntu 11.10 (alpha 2)'.  In my 
> > > fork 
> > > of that thread, I summarized many other threads over the last month of 
> > > people 
> > > having problems starting an hvm domu under xen 4.1.x. Konrad finally 
> > > provided 
> > > the solution - 4.1.x requires the pv style vfb= line, not the indidvidual 
> > > variables.
> 
> Perhaps I misunderstand this stuff but AIUI the vfb= line configures a
> Xen PV framebuffer device whereas the individual vnc*/sdl*/etc variables
> configure the backend for the emulated VGA device. IOW they are pretty
> much orthogonal and (for an HVM guest) both should work (dependent on
> the required in-guest support being available). Also I'm not sure if
> they can be used simultaneously, I expect they can.
>

Jim: Can you please post full example of working HVM cfgfile and not-working 
HVM cfgfile.
(including any errors you get with the latter).


> > > Which brings up my pet peev about documentation. Even something as simple 
> > > as 
> > > updating the xmexample files in the /etc/xen tree would have avoided this 
> > > problem for so many people. Since you lurk around in Xen Devel, maybe you 
> > > can 
> > > make people aware of the problem?
> 
> If you find areas where xm* are not accurate than patches would be very
> much appreciated.
> 

Thanks!

-- Pasi


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