Screen flickering on many programm

[max]

While using VSCode, Firefox Developer Edition, Google Chrome. Watching youtube videos or coding the screen flickering really bad

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: i3
Date: Thu Jan 31 10:55:30 2019
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus: virtualbox, 5.2.18, 4.15.0-43-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. UHD Graphics 620 [1043:1c20]
InstallationDate: Installed on 2019-01-11 (19 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: ASUSTeK COMPUTER INC. UX430UAR
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-43-generic root=UUID=b2e09cf1-c874-41a4-86ee-c64c58e32f29 ro quiet splash vt.handoff=1
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
XorgConf:
 Section "Device"
 Identifier "Card0"
 Driver "intel"
 Option "Backlight" "intel_backlight"
 EndSection
dmi.bios.date: 10/06/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX430UAR.300
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX430UAR
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX430UAR.300:bd10/06/2017:svnASUSTeKCOMPUTERINC.:pnUX430UAR:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX430UAR:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: UX
dmi.product.name: UX430UAR
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97+git1901221830.b7a7a9~oibaf~b
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0~git1901260730.8e9ad5~oibaf~b
version.libgl1-mesa-glx: libgl1-mesa-glx 19.0~git1901260730.8e9ad5~oibaf~b
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.99+git1901101932.b1c016~oibaf~b
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git1901211932.33ee0c~oibaf~b
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15+git1901240732.ca1391~oibaf~b

[Daniel van Vugt (vanvugt)]

It appears you have some unsupported graphics packages installed from the "Oibaf" PPA. Please use 'ppa-purge' to remove that PPA from the system. Then reboot.

If the problem still persists after that then run:

  dpkg -l > allpackages.txt

and send us the resulting file 'allpackages.txt'.

[Launchpad Janitor (janitor)]

[Expired for xorg-server (Ubuntu) because there has been no activity for 60 days.]