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[Rasmus Iversen <1058636@xxxxxxxxxxxxxxxxxx>]

I still have this bug with the Legacy drivers. Disabling gpu vsync fixes
the problem, but certain pages wont load and certain plugins wont work
correctly.

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https://bugs.launchpad.net/bugs/1058636

Title:
  system lags with fglrx, Chrome and Vsync

Status in Chromium Browser:
  New
Status in “fglrx-installer” package in Ubuntu:
  Confirmed

Bug description:
  Using the latest Ubuntu 12.10 build, the system stutters (to the point
  that the mouse doesn't move for a few milliseconds, very noticeable
  and annoying) when using the latest AMD Catalyst driver (fglrx 9.000
  from the quantal repository), Google Chrome and overwriting the driver
  software blacklist in about:flags (normally it should be accelerated
  by default anyway, it does with the driver from AMD.com and Ubuntu
  12.04).

  You you hover over some links, like the ones on engadget.com on the
  right (recent reviews), it stutters A LOT. When you go to about:flags
  and check "disable GPU Vsync" it runs smoothly and perfectly fine like
  it did with Compiz 0.9.7.x.

  Also while hovering/moving over links (with Vsync on/off), CPU usage
  goes up till 60% on my quadcore, but that's another story and has
  always been like that).

  I know there's one more Vsync related fix coming with the final compiz
  0.9.8.4 release, but I think I've read it only matters for nVidia.

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