In dmesg there're error messages: [drm:fimd_win_mode_set] *ERROR* Invalid panel parameters
** Attachment added: "dmesg with error messages" https://bugs.launchpad.net/ubuntu/+source/xf86-video-armsoc/+bug/1308192/+attachment/4084679/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xf86-video-armsoc in Ubuntu. https://bugs.launchpad.net/bugs/1308192 Title: armsoc-exynos stopped working on Chromebook after upgrade to trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xf86-video-armsoc/+bug/1308192/+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