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[Thad E Ginathom <764330@xxxxxxxxxxxxxxxxxx>]

Ubuntu 11.04; ATI Radeon HD 4290 (integrated on Gigabyte GA-890GPA-UD3H); 3.2Mhz AMD 955; 4Gb DDR3.
Driver Packaging Version 8.84.6-110324a-116088C-ATI
OpenGL Version 3.3.10665 Compatibility Profile Context


I just gave myself this problem tonight, and got rid of it again. No change of mouse, keyboard or HID settings (although I will look into those mouse polling settings)

Made various changes to the Compiz settings. Of course, I did not
document them, but they included adding an animated skydome and changing
transparency settings for the cube to give some transparency when not
rotating. Apart from that, I think that changes were minor, such as
changing the mouse button to change viewpoints, and changing the
brightness for menus. "including but not limited to".

Having made everything very pretty, I then found I could not move a
window, using the mouse, without this lagging-behind effect. Moving the
mouse back and forth even made the window spring forward and back again.
CPU activity remained at minimum.

After making a satisfactory set of tweaks, I always use Ubuntu Tweak to
back up my settings. I reverted to my last-backed up good setting. No
more lagging windows --- but a bit of tearing at the window edges.

Exploring Catalyst Control Centre (AMD/ATI proprietary drivers/software)
I selected "Enable Tear Free Desktop" under Display Options. This
improved things a lot. There are reports here of similar problems with
different hardware: this fix is obviously hardware/driver specific.

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https://bugs.launchpad.net/bugs/764330

Title:
  Move window annoying slow with compiz

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