On 22/06/12 15:30, walt wrote:
On 06/21/2012 12:47 PM, walt wrote:
On 06/20/2012 07:46 AM, Nikos Chantziaras wrote:
On 20/06/12 17:04, walt wrote:
On 06/18/2012 02:29 AM, Philip Webb wrote:
120615 Nikos Chantziaras wrote:
2012/6/15 Philip Webb <[email protected]>
after installing Kernel 3.4 , Nvidia-drivers 295.49 wouldn't
compile.
I can see that 295.53 and 295.59 are available.  Use 295.59.

I've updated to the latest testing 302.17 & it's working ok so far.

I just did the same update.  I thought at first everything was okay,
then I ran glxgears, which runs at 1/5 normal speed.  Going back to
295.59 fixed it.  Very puzzling, since there was nothing unusual in
Xorg.0.log.

http://www.nvnews.net/vbulletin/showthread.php?t=176815

Would you mind translating that bulletin into Greek so I can
understand it? ;)

Aha.  I re-emerged nvidia-drivers-302.17 and the lightbulb lit up:

$glxgears
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
302 frames in 5.0 seconds = 60.292 FPS

Sure enough, my monitor's vertical refresh rate is 60Hz.  I guess the
logic is that the video card needn't render more frames than the monitor
can display each second?

Yes. You can set this stuff up in the nvidia-settings control panel. Unfortunately, the Gentoo nvidia-drivers ebuild isn't the best, and it doesn't install a start-up launch script for nvidia-settings (like Ubuntu and other distros do.) So when you change settings, you need to manually run nvidia-settings to restore them again after every login.

I solved this problem by creating an executable file:

  /etc/X11/xinit/xinitrc.d/95-nvidia-settings

with the following contents:

#!/bin/sh
[ -x /opt/bin/nvidia-settings ] &&
    /opt/bin/nvidia-settings --load-config-only > /dev/null 2>&1

This restores the settings automatically on every X11 login. Ah well, welcome to Gentoo :-P


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