Although downloading the driver from the above link might cause even greater problems than we have here. Maybe hold that thought, since the only issue right now is corrupt wallpaper that might be the lesser evil.
It's still possible this bug could be fixed with a kernel/mesa/mutter update. ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: mesa (Ubuntu) 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/1860483 Title: [nouveau, GeForce 7300 LE] screen background overlaid with scan type artifact in red Status in linux package in Ubuntu: Confirmed Status in mesa package in Ubuntu: New Bug description: My desktop has both it's usual items in place; toolbar on left and desktop icons distributed around the screen. Then there's what appears to be a bunch of scan line, raster line artifacts, in red, laid over my normal background, which is a star field photo on what is ordinarily a black field. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7.1 ProcVersionSignature: Ubuntu 4.15.0-74.84-generic 4.15.18 Uname: Linux 4.15.0-74-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Jan 21 13:04:20 2020 DistUpgraded: 2018-10-03 14:38:19,863 DEBUG icon theme changed, re-reading DistroCodename: bionic DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation G72 [GeForce 7300 LE] [10de:01d1] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Dell G72 [GeForce 7300 LE] [1028:0405] InstallationDate: Installed on 2016-08-19 (1249 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: Dell Inc. Inspiron 531 ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-74-generic root=UUID=08d8f7c1-e351-4abe-8ebe-443d6a751497 ro plymouth:debug=1 quiet splash vt.handoff=1 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to bionic on 2018-10-03 (474 days ago) dmi.bios.date: 11/09/2007 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.0.7 dmi.board.name: 0RY206 dmi.board.vendor: Dell Inc. dmi.board.version: ��� dmi.chassis.type: 3 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnDellInc.:bvr1.0.7:bd11/09/2007:svnDellInc.:pnInspiron531:pvr00:rvnDellInc.:rn0RY206:rvr:cvnDellInc.:ct3:cvrChassisVersion: dmi.product.name: Inspiron 531 dmi.product.version: 00 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1 version.libdrm2: libdrm2 2.4.99-1ubuntu1~18.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1~18.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.1-1ubuntu1~18.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Wed Oct 3 10:41:28 2018 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Dell Dell USB Keyboard KEYBOARD, id 8 input Logitech USB Trackball MOUSE, id 9 xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.18.4-0ubuntu0.8 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860483/+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