Hi, Looking at the date of OP's situation, problem may be different.
Booting with the older kernel linux-image-3.16-2-amd64 did not fix my situation. My problem may be mutter or mesa. Osamu -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org