This bug stopped happening for me as well in 12.04 since actually. I think I installed nvidia-304 from the nvidia website instead of through apt in order to get RandR and at the same time fixed the problem.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/747717 Title: 11.04 - opening too many windows causes new windows to render blank white Status in NVIDIA Drivers Ubuntu: New Status in “nvidia-graphics-drivers” package in Ubuntu: Confirmed Bug description: Problems with Driver (NVIDIA Driver Version: 270.30) Blank screens have more than two windows open, wrong behavior in some applications, smplayer, cairo dock, etc, so will the edges of window, application screens suddenly go blank, sometimes not launch applications. without the driver enabled these problems disappear. Hardware 1) GeForce 6150SE nForce 430 (GPU 0) System Information 1) Operating System: Linux-x86_64 Distributor ID: Ubuntu Description: Ubuntu Natty (development branch) Release: 11.04 Codename: natty 2) NVIDIA Driver Version: 270.30 X Server Information: 1) Server Version Number: 11.0 2) Server Vendor String: The X.Org Foundation 3) Server Vendor Version: 1.10.0 (11000000) 4) NV-CONTROL Version: 1.26 To manage notifications about this bug go to: https://bugs.launchpad.net/nvidia-drivers-ubuntu/+bug/747717/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

