Screen tearing with 2 or more monitors in Xorg is a known problem,
unlikely to be fixed.
Using Wayland should solve this. Although for GNOME, Wayland doesn't yet
perform well enough. And I don't know what the status of KDE with
Wayland is.
** Tags added: multimonitor
** Changed in: xorg-server (Ubuntu)
Importance: Undecided => Medium
** Changed in: xorg-server (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1791452
Title:
screen tearing in some games (fullscreen and windowed)
Status in xorg-server package in Ubuntu:
Triaged
Bug description:
examples of games where I extreme screen tearing:
- Cities: Skylines
- Crusader Kings II
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.6-1ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: KDE
Date: Sat Sep 8 19:42:44 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Subsystem: ASRock Incorporation Xeon E3-1200 v3/4th Gen Core Processor
Integrated Graphics Controller [1849:0412]
Advanced Micro Devices, Inc. [AMD/ATI] Hawaii PRO [Radeon R9 290/390]
[1002:67b1] (rev 80) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Hawaii PRO [Radeon R9 290/390]
[1458:22bd]
InstallationDate: Installed on 2018-08-05 (34 days ago)
InstallationMedia: Kubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-33-generic
root=UUID=c34f72e1-74aa-410a-a0c7-b7ce55ad8b93 ro quiet splash vt.handoff=1
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/03/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.20
dmi.board.name: H87 Pro4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP2.20:bd08/03/2015:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH87Pro4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.1.7-0~b~padoka0
version.libgl1-mesa-glx: libgl1-mesa-glx 18.1.7-0~b~padoka0
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
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
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