If you are using a Xorg session (and you probably are with Nvidia) then restarting gnome-shell might work around the problem:
1. Alt+F2 2. Type: r 3. Hit Enter -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-460 in Ubuntu. https://bugs.launchpad.net/bugs/1876632 Title: [nvidia] Corrupted shell textures when switching users or resuming from suspend Status in GNOME Shell: Unknown Status in gnome-shell package in Ubuntu: Triaged Status in mutter package in Ubuntu: Triaged Status in nvidia-graphics-drivers-440 package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-460 package in Ubuntu: Confirmed Bug description: I recently installed ubuntu 20.04 on my computer, and I am running into an issue when I do the following: * Login with a user on desktop * Select switch user, and login as second user * Switch user again, and return to original user At this point, text and icons in the menubar / sidebar are corrupted. Text and icons in normal windows appear correctly. I have attached a screenshot of what this looks like. Screenshots: https://imgur.com/a/3ZFDLMc ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30 Uname: Linux 5.4.0-28-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.driver.nvidia.gpus.0000.09.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:09:00.0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.suspend: suspend hibernate resume .proc.driver.nvidia.suspend_depth: default modeset uvm .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 440.64 Fri Feb 21 01:17:26 UTC 2020 GCC version: ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun May 3 18:12:45 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation GP104 [GeForce GTX 1070] [10de:1b81] (rev a1) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. GP104 [GeForce GTX 1070] [1043:85a0] InstallationDate: Installed on 2020-05-03 (0 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: Gigabyte Technology Co., Ltd. AX370-Gaming ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-28-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/19/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F3 dmi.board.asset.tag: Default string dmi.board.name: AX370-Gaming-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: se1 dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF3:bd06/19/2017:svnGigabyteTechnologyCo.,Ltd.:pnAX370-Gaming:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnAX370-Gaming-CF:rvrse1:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: AX370-Gaming dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-2ubuntu1 version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 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/gnome-shell/+bug/1876632/+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
