Ken D'Ambrosio, could you please provide the results requested in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1585462/comments/3 ?
Don't worry about timing it to the crash. ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1585462 Title: Dell Latitude E7440 crash on lid close (MATE 16.04) Status in linux package in Ubuntu: Incomplete Bug description: Fresh install of 16.04 (installed twice, now -- same issue both times; apt-get update; apt-get dist-upgrade run in both cases, so latest packages). On lid close, system hard freezes, requiring power cycle. On opening lid, is frozen on lockscreen. No mouse movement, no keyboard movement, <ctl><alt><f1> does nothing. Freezes ~80% of the time; occasionally (perhaps related to WiFi not being enabled), it suspends properly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1585462/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp