For anyone still experiencing this bug, here is a possible workaround (thanks to ColdFeetBob for pointing it out)
Modify* /xserver/mi/mieq.c and rebuild xserver * Increase the "#define QUEUE_SIZE 512" to 1024, 2048 or 4096 [1] Note that this is *not* a proper fix as you can see in the discussion [2], and it isn't recommended for unexperienced users [1] http://www.nvnews.net/vbulletin/showpost.php?p=2398370&postcount=2 [2] https://bugs.freedesktop.org/show_bug.cgi?id=15473 -- 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/553789 Title: [MASTER] [GT21x] X freeze/crash with nouveau driver To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/553789/+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