[mythtv] Ticket #1248: mythfrontend crashes at end of playback, SVN 8908

Robert Kulagowski bob at smalltime.com
Fri Feb 10 01:58:10 UTC 2006


Daniel Kristjansson wrote:
> On Thu, 2006-02-09 at 15:24 -0600, Robert Kulagowski wrote:
> 
>>> rkulagow, there is a bug in recent nvidia drivers that makes XvMC not work
>>> with OpenGL vsync, nvidia is aware of the problem and has promised a fix
>>> in a future release. I'm running version 66.29, but there are reports on
>>> the mythtv-user list that one of the 7x.xx versions works as well. AFAIK
>>> none of the 8x.xx versions work.
>>
>>Pretty sure that 7676 is supposed to be ok:
>>(II) Loading /usr/X11R6/lib/modules/drivers/nvidia_drv.o
>>(II) Module nvidia: vendor="NVIDIA Corporation"
>>        compiled for 4.0.2, module version = 1.0.7676
>>        Module class: XFree86 Video Driver
> 
> 
> I could never get 7676 to work. But I just looked at the log and it is
> definitely crashing in the nVidia GLX libraries. Unless they will share
> the code for those with me without an NDA they will have to fix it :)
> 
> I looked at the nVidia forum and it looks like a lot of people are
> screaming at them over breaking MythTV playback with their latest
> drivers. I'm leaning toward getting one of those older ATI cards
> with open source drivers the next time around...

Maybe a run-time blacklist check?  ie, "Your version is known to be
broken.  Disabling..."

In the meantime I've discovered that I don't even need XvMC to watch
1080i on my 2.4Ghz HT.  The audio stutter goes away if I disable "Use
video as timebase" and enable "Use extra audio buffers".


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