This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1663637 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => 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/1663637 Title: Image flickering on eDP screen since 4.4.0-59 kernel upgrade Status in linux package in Ubuntu: Incomplete Bug description: Image on my HiDPI 4K eDP screen (HP zbook 15) is flickering since I upgraded my kernel to 4.4.0-59. With 4.4.0-53 kernel, everything is ok. I have try : - 4.4.0-59 - 4.4.0-62 - 4.8.0-36 (from linux-generic-hwe-16.04) All of us make my eDP screen flickering when it was alone. Because the amazing things is here : when my laptop is docked and get two other screen (one fullHD and one 2K), everything get back to normal. Even on my eDP 4K screen ! I don't know how to know where the problem come from. Kernel ? radeon.ko ? xorg-video-radeon ? Gnome Shell ? Is amdgpu.ko usable ? How to test it ? ... need help. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-generic-hwe-16.04 4.8.0.36.8 ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11 Uname: Linux 4.8.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CurrentDesktop: GNOME Date: Fri Feb 10 16:09:52 2017 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: linux-meta-hwe UpgradeStatus: Upgraded to xenial on 2016-04-21 (294 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1663637/+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