Alistair Buxton, thank you for reporting this and helping make Ubuntu better.
As per https://wiki.ubuntu.com/Releases 13.10 is EOL. If this is still an issue, could you please run the following command once from a terminal by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information: apport-collect 1217585 ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: Confirmed => Incomplete -- 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/1217585 Title: System hangs after some time with nouveau and GT240 To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1217585/+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
