Tried it again with nouveau.debug=trace but it logged a surprisingly small amount after the MMIO write error. Probably froze. I couldn't switch to a virtual console but DPMS(?) worked strangely enough (monitor both went to sleep and woke up).
** Attachment added: "nouveau.debug-trace-linux-3.9.0-rc5.txt.xz" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1111884/+attachment/3625974/+files/nouveau.debug-trace-linux-3.9.0-rc5.txt.xz ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: Incomplete => Confirmed -- 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/1111884 Title: nouveau fails at suspend/resume - PAGE_NOT_PRESENT To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1111884/+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