[mythtv-users] LiveTV blank screen

Corey Wirun corey at calgary.homelinux.net
Tue Jan 1 19:43:25 UTC 2008

Happy New Year all,

I've got MythTV installed on CentOS 5.1 and I appear to be having some
problems with viewing live TV.  I just get a blank screen.  I've run
through the Wilson walkthru and the card is capturing, etc.

There are no errors with mythbackend, and there is an error on mythfrontend:

Xlib:  extension "GLX" missing on display ":0.0".
2008-01-01 12:30:41.941 Using the Qt painter
Xlib:  extension "GLX" missing on display ":0.0".
2008-01-01 12:30:42.419 Joystick disabled.
2008-01-01 12:32:29.150 TV Error: StartRecorder() -- timed out waiting for
recorder to start
2008-01-01 12:32:29.150 TV Error: LiveTV not successfully started
2008-01-01 12:32:29.159 TV: Deleting TV Chain in destructor

I've seen earlier threads on the issue, but didn't work for me.  Is the
GLX error just noise or is that my problem?  I'm running a nvidia RIVA
TNT2 Pro with the latest legacy nvidia drivers complied (71.86.01) and

The nvidia-settings applet shows that the GLX extension is not supported
by the X Server or the glx server info could not be obtained.  I do have a
line in my xorg.conf a load "glx" in the module section (the only load
line).  Anyone have any advice on the GLX question?

I'm having a heck of a time with my xorg.conf that I'm thinking it's just
hosed.  The KDE Display applet can't seem to be able to edit it.  And
right now X can't let me get anything above 800x600 resolution.  Is there
a way I can just get a 'default' xorg.conf back?

I would REALLY appreciate some suggestions on how I can dig myself out of
this mess.


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