I solved installing the nvidia driver from the nvidia installer (I used the lastest usable non-legacy driver). Be sure to delete all the nvidia related package and the linux-restrincted-module-(generic i386 ...) I think that the previews problem is that the legacy driver is too old!
-- Xorg freezes because of nvidia-driver https://bugs.launchpad.net/bugs/58019 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
