[Spice-devel] Problem with dual-display full-screen client on X

[David Jaša]

Noel Van Hook píše v Po 14. 05. 2012 v 11:07 -0500:
> On Mon, May 14, 2012 at 8:54 AM, Christophe Fergeau <cfergeau at redhat.com> wrote:
> > Hey,
> >
> > On Fri, May 11, 2012 at 04:33:43PM -0500, Noel Van Hook wrote:
> >> Background information:
> >> I am running the guest OS (CentOS) with dual heads.
> >> I am also running the client on CentOS.
> >> When I open the client, two client windows appear (spice0 and spice1),
> >> and all is well with the world.
> >> The machine I am running the client on has two monitors, and is XRandR
> >> compliant.
> >>
> >> The bug:
> >> When I press Ctrl-Shift-F11 to change the guest to full-screen, both
> >> monitors change resolution, and the spice0 window properly appears in
> >> full screen mode on the left monitor.  The spice1 window never appears
> >> anywhere, and the right monitor goes black with an "X" cursor on it.
> >>
> >> I did some debugging, and it appears as though my window manager may
> >> be interfering with the clients attempt to use the second monitor.
> >>
> >> In the client code,  RedWindow::show() calls  RedWindow::move() to
> >> move the right client window onto the right monitor.
> >>  RedWindow::move() in turn calls XMoveWindow(), but the XMoveWindow
> >> call appears to be ignored.  I suspect it is being intercepted by my
> >> window manager, because if, right before I call RedWindow::move(), I
> >> set the override_redirect attribute of _win to "true", it works fine.
> >>  (I then set it back to "false" when we leave fullscreen mode).
> >>
> >> So, this appears to fix it... but is it the right fix?  Or have I just
> >> patched a symptom of a deeper problem?
> >
> > This code in spice-client is quite hairy, and these days it's highly
> > recommended to use virt-viewer/remote-viewer, did you test if they are
> > doing the right thing on your setup ?
> >
> 
> I am not familiar with virt-viewer or remote-viewer, but it sounds
> like they are alternatives to spicec? 

spicec is being phased out and virt-viewer/remote-viewer is its
successor.

David

> If that is the case, it doesn't
> help me.  I don't get to choose which viewer to use, I just get to
> make it work. :-)
> Noel
> 

-- 

David Jaša, RHCE

SPICE QE based in Brno
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