I don't see why you reopened the compiz bug, if you had read the comments in this bug report you would see that it is clearly an nvidia problem.
** Changed in: compiz (Ubuntu) Status: Confirmed => Invalid -- [nvidia] compiz displays white screen when locked https://bugs.launchpad.net/bugs/160264 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs