Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.11 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11-rc2 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Xenial) Status: New => Incomplete ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => Medium -- 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/1672782 Title: Graphics trouble after hibernation or Sleep Status in linux package in Ubuntu: Incomplete Status in linux source package in Xenial: Incomplete Bug description: Edges around windows get pixelated ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-66-generic 4.4.0-66.87 ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44 Uname: Linux 4.4.0-66-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: abhilash 2353 F.... pulseaudio /dev/snd/controlC0: abhilash 2353 F.... pulseaudio CurrentDesktop: Unity Date: Tue Mar 14 11:52:03 2017 HibernationDevice: RESUME=UUID=e086eed9-3076-4bc3-b94b-8674e530b351 InstallationDate: Installed on 2016-12-28 (75 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: LENOVO 20378 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-66-generic root=UUID=2e21e919-a77e-41b5-889c-9339d654e040 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-66-generic N/A linux-backports-modules-4.4.0-66-generic N/A linux-firmware 1.157.8 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/16/2014 dmi.bios.vendor: LENOVO dmi.bios.version: 9ECN30WW(V1.13) dmi.board.asset.tag: 31900058Std dmi.board.name: Lenovo Y50-70 dmi.board.vendor: LENOVO dmi.board.version: 31900058Std dmi.chassis.asset.tag: 31900058Std dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo Y50-70 dmi.modalias: dmi:bvnLENOVO:bvr9ECN30WW(V1.13):bd07/16/2014:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoY50-70: dmi.product.name: 20378 dmi.product.version: Lenovo Y50-70 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1672782/+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
