This is probably a crash or freeze related to the open source graphics driver: 'nouveau'. Your GPU looks new enough to support the latest proprietary Nvidia driver instead so I suggest trying that. Just open the 'Additional Drivers' app and have a look.
If for any reason the problem persists then please follow these instructions: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment ** Tags added: nouveau ** Summary changed: - Xorg freeze + [nouveau] Xorg freeze ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1894886 Title: [nouveau] Xorg freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1894886/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

