[mythtv-users] NVP: Timed out waiting for free video buffers

Willy Boyd willyboyd at gmail.com
Wed Mar 28 17:37:00 UTC 2007

Have you confirmed that, when enabled, you have nvidia glx really
working?  Try running glxgears and check the frame rate it outputs.
(note that if you're using OpenGL vsync, it should stay right at about
whatever your vertical refresh is, e.g. 60fps).

Also, you didn't mention which nvidia driver version you're using.
The later drivers support an option in the xorg.conf "UseEvents",
which you should set to true.  I don't know if this matters based on
card series (5200 vs. 6100), but I know it's only supported in later
driver versions and could be making the difference for the 6100.

Also, it might help to post your xorg.conf file.

These are all things I checked before I figured out I was getting the
same message due to mysql performance issues (disabling GLX made no
difference for me, so it's back on with my 6150 and no problems).

On 3/26/07, Jon <jon at sd-6.org> wrote:
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org
> > [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Jon
> > Sent: Sunday, March 25, 2007 12:28 AM
> > To: Discussion about mythtv
> > Subject: [mythtv-users] NVP: Timed out waiting for free video buffers
> >
> > Per
> > http://www.mythtv.org/wiki/index.php/Troubleshooting:NVP:_Time
> > d_out_waiting_for_free_video_buffers,
> > this is a software issue.
> > However, I have a mythfrontend that runs off a usb flash drive.  I can
> > use it on one system that has a nVidia 5200 without this
> > error, but with
> > another system with a nVidia 6100, the video randomly freezes
> > with NVP:
> > Timed out waiting for free video buffers, the only way out is to kill
> > the frontend and restart it.  I can work around it by
> > disabling glx, but
> > I'm hoping for a better solution.  I have compiled the
> > frontend against
> > nvidia glx headers and mesa headers, the problem exists with both.
> No one?
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