** Description changed: + The problem here is that incorrect information from the NVIDIA driver is + tricking some software like Compiz into using an incorrect refresh rate, + which makes the whole desktop look choppy. + The cause of this framerate problem is the DynamicTwinView feature of the NVIDIA graphics driver. It appears to be a documented "feature" of the driver, and has been for several years: http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html (Search for: DynamicTwinView) WORKAROUND: (in /etc/X11/xorg.conf) Section "Device" Option "DynamicTwinView" "False" EndSection ORIGINAL DESCRIPTION: Binary package hint: xorg My Samsung SyncMaster 931BF does actually support 75 hz screen refresh rate, but xorg lets me choose only between 50 Hz and 54 Hz. Modification of /etc/X11/xorg.conf does not help. xorg worked ok on edgy. Here's some info: $ uname -a Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 GNU/Linux $ apt-cache show xorg | grep Version Version: 1:7.2-0ubuntu7 The video card is Nvidia GeForce 7300GS. ProblemType: Bug Architecture: i386 Date: Thu Mar 15 21:08:22 2007 DistroRelease: Ubuntu 7.04 Uname: Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 GNU/Linux
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/92599 Title: Incorrect (low/stuttering) refresh rate with NVIDIA driver To manage notifications about this bug go to: https://bugs.launchpad.net/nvidia-drivers-ubuntu/+bug/92599/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs