Daniel, is this similar to LP: #1819968?
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https://bugs.launchpad.net/bugs/1819023
Title:
[nouveau] Scrolling screen flicker, especially on default Ubuntu lock
screen
Status in linux package in Ubuntu:
Confirmed
Bug description:
My screen is experiencing a weird "scrolling" flicker, especially
while displaying blue, indigo, and violet hues/colors, such as on the
default Ubuntu 18.10 (x64 Desktop) lock screen. The screen flicker
scrolls up and down, with the brightest part of the flicker being
towards the top, with a gradient that fades back to the original color
near the bottom.
Problem occurs on any one monitor on any one video output protocol
(DVI-D, HDMI, and VGA).
I will upload an illustration or render as soon as possible for better
explanation.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: xorg 1:7.7+19ubuntu8
ProcVersionSignature: Ubuntu 4.18.0-16.17-generic 4.18.20
Uname: Linux 4.18.0-16-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 7 10:39:50 2019
DistUpgraded: 2018-10-19 10:50:54,557 ERROR got error from PostInstallScript
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process
“./xorg_fix_proprietary.py” (No such file or directory) (8))
DistroCodename: cosmic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
NVIDIA Corporation GF108 [GeForce GT 440] [10de:0de0] (rev a1) (prog-if 00
[VGA controller])
Subsystem: NVIDIA Corporation GF108 [GeForce GT 440] [10de:0828]
InstallationDate: Installed on 2018-08-17 (202 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: BIOSTAR Group A880G+
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-16-generic
root=UUID=a967adb1-1600-455b-8704-e2bf5de5081d ro quiet splash vt.handoff=1
SourcePackage: xorg
UpgradeStatus: Upgraded to cosmic on 2018-10-19 (139 days ago)
dmi.bios.date: 09/21/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080016
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: A880G+
dmi.board.vendor: BIOSTAR Group
dmi.chassis.asset.tag: None
dmi.chassis.type: 3
dmi.chassis.vendor: BIOSTAR Group
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr080016:bd09/21/2011:svnBIOSTARGroup:pnA880G+:pvr:rvnBIOSTARGroup:rnA880G+:rvr:cvnBIOSTARGroup:ct3:cvr:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: A880G+
dmi.product.sku: To Be Filled By O.E.M.
dmi.sys.vendor: BIOSTAR Group
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
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