This seems to be happening to me also on 14.04, GeForce 6600 AGP, Nouveau. I'm now going to try and add "nomodeset" to my kernel options and see if that helps (as suggested here: http://askubuntu.com/questions/205021/how-to-solve-gpu-lockup-switching- to-software-fbcon-on-new-install-of-12-10)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1291574 Title: nouveau DRM GPU lockup, PFIFO unhandled status 0x00800000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1291574/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs