Problem disappeared with reinstallation of today's (Sep 28) karmic- desktop-amd64.iso; /dev/nvidia0 and /dev/nvidiactl both show permissions 666 and mutter just works. Sorry for the noise
** Changed in: ubuntu Status: New => Invalid -- mutter gives empty windows with nvidia driver https://bugs.launchpad.net/bugs/438078 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