I have something maybe related to this problem. Incorrect resolution detected:
screen #0: dimensions: 5120x1024 pixels (1354x270 millimeters) resolution: -2147483648x-2147483648 dots per inch More on https://bugs.launchpad.net/xorg-server/+bug/1650192 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/201491 Title: Screen DPI detected incorrectly by xdpyinfo To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/201491/+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