nvidia 7050 glitch on Nouveau and Xubuntu 20.04

[Michel-Ekimia]

nvidia 7050 glitch on Nouveau and Xubuntu 20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xserver-xorg-video-nouveau 1:1.0.16-1
ProcVersionSignature: Ubuntu 5.4.0-45.49-generic 5.4.55
Uname: Linux 5.4.0-45-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
CasperMD5CheckResult: skip
CompositorRunning: None
Date: Sun Sep 6 19:02:23 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 NVIDIA Corporation C73 [GeForce 7050 / nForce 610i] [10de:07e3] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Packard Bell B.V. C73 [GeForce 7050 / nForce 610i] [1631:e038]
InstallationDate: Installed on 2020-09-06 (0 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
 Bus 001 Device 002: ID 0846:4260 NetGear, Inc. WG111v3 54 Mbps Wireless [realtek RTL8187B]
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Lsusb-t:
 /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/8p, 12M
 /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/8p, 480M
     |__ Port 3: Dev 2, If 0, Class=Vendor Specific Class, Driver=rtl8187, 480M
MachineType: Packard Bell BV IMEDIA D9378 AIO
ProcEnviron:
 LANGUAGE=fr_FR
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-45-generic root=UUID=b807077b-46c6-4253-9a39-2be7f9e84214 ro quiet splash
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/08/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: PBDV10.P17
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: MCP73VT-PM
dmi.board.vendor: Packard Bell BV
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Packard Bell BV
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrPBDV10.P17:bd04/08/2008:svnPackardBellBV:pnIMEDIAD9378AIO:pvrPB80139602:rvnPackardBellBV:rnMCP73VT-PM:rvr1.0:cvnPackardBellBV:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: IMEDIA D9378 AIO
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: PB80139602
dmi.sys.vendor: Packard Bell BV
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.3
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