Regardless of whether the gnome-shell/mutter log line means anything, I don't think the NVIDIA driver should be failing with a seg fault, so I also filed a copy of the stack on the NVIDIA forum:
https://devtalk.nvidia.com/default/topic/856765/linux/crash-report/ -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
