I just ran into what I believe is the same bug. I attempted to file a description upstream. https://bugs.freedesktop.org/show_bug.cgi?id=90825
** Bug watch added: freedesktop.org Bugzilla #90825 https://bugs.freedesktop.org/show_bug.cgi?id=90825 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1391086 Title: nouveau crashes with segfault when starting VirtualBox with Win8 guest To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1391086/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
