*** This bug is a duplicate of bug 1809407 *** https://bugs.launchpad.net/bugs/1809407
Just change your driver from proprietary to open source noveau driver. I also had the same problem but it is solved. It is a problem of nvidia driver.Enjoy -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1824916 Title: Wallpaper corruption after waking from sleep Status in xorg package in Ubuntu: Confirmed Bug description: I upgraded to Dingo today, and I'm having a new issue with waking from sleep on my Dell XPS 9560. When I wake my laptop, the wallpaper becomes corrupted (screenshot attached), and it doesn't go away until I restart. ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: xorg 1:7.7+19ubuntu12 ProcVersionSignature: Ubuntu 5.0.0-11.12-generic 5.0.6 Uname: Linux 5.0.0-11-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:01:00.0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 418.56 Fri Mar 15 12:59:26 CDT 2019 GCC version: gcc version 8.3.0 (Ubuntu 8.3.0-6ubuntu1) ApportVersion: 2.20.10-0ubuntu27 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Mon Apr 15 23:06:37 2019 DistUpgraded: 2019-04-15 19:46:05,884 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py' DistroCodename: disco DistroVariant: ubuntu DkmsStatus: nvidia, 418.56, 5.0.0-11-generic, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA controller]) Subsystem: Dell HD Graphics 630 [1028:07be] Subsystem: Dell GP107M [GeForce GTX 1050 Mobile] [1028:07be] InstallationDate: Installed on 2018-10-28 (170 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 0cf3:e301 Qualcomm Atheros Communications Bus 001 Device 003: ID 0c45:6713 Microdia Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. XPS 15 9560 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/usr/bin/fish ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-11-generic root=UUID=9f074e0b-7e2f-475a-9cae-48d43abd3345 ro quiet splash vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to disco on 2019-04-15 (0 days ago) dmi.bios.date: 10/02/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.12.1 dmi.board.name: 05FFDN dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.12.1:bd10/02/2018:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: XPS dmi.product.name: XPS 15 9560 dmi.product.sku: 07BE dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.97-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20180925-2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1824916/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp