Exactly the same on my machine. My graphics card is NVIDIA Quadro FX 380. After first upgrading to 11.04 artifacts has appeared and only disabling VSync have helped. Now after first update which has come (4.6 .2a-0ubuntu5.1) even disabling VSync does not help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/772465 Title: Snow artifacts in kwin under NVIDIA proprietary driver -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs