[mythtv-users] Some notes about new nvidia drivers 190.16 and 190.18 for use with MythTV

[Marc Randolph]

On Fri, Jul 24, 2009 at 12:49 AM, Jean-Yves Avenard<jyavenard at gmail.com> wrote:
> Hi
>
> nVidia has released new drivers ; they are quite more stable than the
> "stable" 185.18.14
>
> Something to be aware of when using with Myth.
>
> 1- Disable OpenGL V-Sync in Setup -> TV Settings -> Playback ;
> otherwise you'll get a lot of
> ../../src/xcb_io.c:176: process_responses: Assertion `!(req &&
> current_request && !(((long) (req->sequence) - (long)
> (current_request)) <= 0))' failed.
> with MythTV being aborted.
>
> You don't need OpenGL V-Sync to prevent tearing with VDPAU playback.
>
>
> 2- Disable "UseEvents" (Option "UseEvents" "False")
>
> If set to True (the default is False), when going through screens in
> MythTV results in the PC hanging for 10+ seconds each time and MythTV
> taking 100% of CPU time...
> This isn't just MythTV, any Qt based (KDE 3 or KDE4) will show the same problem

Would you be willing to document this in the wiki?  It would probably
save lots of questions to the mailing list later...

   Marc