I have the same issue on Ubuntu 16.04 4.4.0-34-generic and Lenovo x260 If it was suspended with two screens, it would not wake up.
** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1581560/+attachment/4727743/+files/dmesg.log -- 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/1581560 Title: system crash when attaching external display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1581560/+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
