qemu-system-arm -kernel kernel-qemu -cpu arm1176 -m 256 -M versatilepb -no-reboot -serial stdio -append "root=/dev/sda2 panic=1" -hda 2015-05-05-raspbian-wheezy.img -redir tcp:5022::22 -redir tcp:5080::80

WARNING: This bug has been widely reported and has *many* automatic subscribers. Please be considerate.

If you need help: try searching and asking on http://discourse.ubuntu.com or http://ubuntuforums.org or contacting a nearby user group (see http://loco.ubuntu.com or search for “LUG” in your area). Link back to this bug for clarity.

This seems to fix it (at least for one version upgrade) for many people

$ sudo dpkg-reconfigure nvidia-331

after that…

$ sudo dpkg-reconfigure nvidia-331-uvm

(some users may be on the versions of these packages suffixed with -updates )