Bug#409485: server crash when <Alt>-<Tab> switching between gnome-terminal and Xv window
On Sun, 2007-02-04 at 15:01 +0100, Guido Guenther wrote:
> On Sun, Feb 04, 2007 at 02:00:27PM +0100, Michel Dänzer wrote:
> > On Sun, 2007-02-04 at 13:19 +0100, Guido Guenther wrote:
> > > On Sat, Feb 03, 2007 at 05:47:51PM +0100, Michel D?nzer wrote:
> > > >
> > > > This is one of the known bugs with Mesa software rendering which are
> > > > being investigated upstream (but still not fixed even in the latest
> > > > releases). Are you sure mythtv isn't using OpenGL instead of Xv?
> > > It seems mythtv uses actually both (GL for menu rendering) - I was now
> > > able to trigger a similar segfault without any video running, just by
> > > skipping through the menus:
> >
> > As a workaround, I think you can set it up to use Qt instead of GL for
> > the menus. GL probably doesn't provide much benefit without hardware
> > acceleration anyway.
>
> I actually double checked this after sending the mail and it *is* using
> the Qt renderer (by default and I never changed this) - it still crashes
> in OpenGL code, which puzzles me.
Hmm, maybe it still uses GL via Qt, or Qt uses GL internally, or creates
a GLX context even though it doesn't. I don't suppose switching Myth to
use GL directly helps? :}
Unless you need GL otherwise with this server, you could work around it
by not loading the "glx" module in xorg.conf.
--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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