I have a laptop with a geforce 8400m g nvidia graphic card and I always
had this tearing problem. In Maverick I've managed to partially solve it
enabling Sync to VBlank both in the nvidia settings and compiz then
,always in compiz, i enbled the undirect fullscreen windows (I think
it's called like this), installed the compiz-fusion icon and set it to
start at boot with indirect rendering disabled. With all this I didn't
have tearing with moving windows or compiz cube. There was also no
tearing when watching videos at full screen. I tryed all this on natty (
with 270.41.06 nvidia drivers) but tearing on videos was still there,
the only thing I found out that solves the problem is to enable the
"Force full screen redraw (buffer swap) on repaint" option in the
workaround settings ( always in compiz). Probably it's not the best
solutions since the description tells: "Forces the entire screen to
redraw every repaint. Use with care, this will cause a massive increase
in GPU and CPU usage.". I just want to know what you think about it.

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/600178

Title:
  Screen tearing when dragging window, in videos and other large screen
  redraws (on nVidia GPU)

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