** Description changed:
After automatic Xorg reconfiguring I cannot set refresh rate other than
60 Hz.
Before reconfiguring I had had 60 Hz after boot but could start nvidia-
settings and set the rate to 76Hz. gnome-diasplay-settings did not allow
setting any refresh rate than 53 Hz.
Now I cannot do even this. With empty xorg gnome-diasplay-settings
suggest setting any rate up to 100 Hz but nothing happens: the refresh
rate still 60 Hz. nvidia-settings does not start at all. When using my
old xorg.conf nvidia-settings can be started, and I can select 76 Hz,
but nothing happens again: the rate still remains 60 Hz. xrandr does
nbot help either: it says "Rate x Hz not available for this size" for
any rate higher than 53 Hz.
If to set this option
Option "DynamicTwinView" "False"
Then xrandr reports the following:
1280x1024 76.0* 75.0 60.0 72.0
1280x960 60.0
1152x864 75.0 70.0 60.0
1024x768 75.0 70.0 60.0
960x600 60.0
960x540 60.0
896x672 60.0
840x525 75.0 70.0 60.0
832x624 75.0
800x600 75.0 72.0 60.0 56.0 65.0
800x512 60.0
720x450 60.0
700x525 75.0 70.0 60.0
680x384 60.0
640x512 75.0 60.0
640x480 75.0 73.0 60.0
640x350 70.0
576x432 75.0 70.0 60.0
512x384 75.0 70.0 60.0
416x312 75.0
400x300 75.0 72.0 60.0 56.0
320x240 75.0 73.0 60.0
But real refresh rate as reported by monitor still remains 60 Hz.
This is under Ubuntu Intrepid
+
+ See screencast:
+ http://verger1.narod.ru/refresh.ogv
--
Cannot set refresh rate other than 60 Hz, xrandr reports false frequency
https://bugs.launchpad.net/bugs/339811
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