*** This bug is a duplicate of bug 1846398 ***
https://bugs.launchpad.net/bugs/1846398
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1846398, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.
** Tags added: tearing
** This bug has been marked a duplicate of bug 1846398
[modeset] xrandr transformations cause significant visible tearing in Xorg
sessions
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1928507
Title:
Screen tearing for video playback is observed after screen is rotated
180 degree in Ubuntu 20.04, Gnome Vanilla, X11
Status in xorg-server package in Ubuntu:
Won't Fix
Bug description:
Screen tearing for video playback is observed after screen is rotated 180
degree in Ubuntu 20.04, Gnome Vanilla, X11. We haven't seen the issue in
Wayland.
Here are the steps to reproduce the issue.
1) Install Ubuntu 20.04.
2) Play video on ubuntu 20.04.
3) Turn on 'auto rotation" in setting to rotate the screen; Or use 'xrandr -o
2' to rotate the screen.
4) Screen tearing is observed for 100% reproducible after rotation.
5) It is happening on all of video contents with dynamic scene changing.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.17
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1327 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-05-14 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Intel Corporation Tiger Lake Client Platform
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-53-generic
root=UUID=a44b834c-d346-4f9c-aa08-ed4716d2ec2c ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.8.0-53.60~20.04.1-generic 5.8.18
RelatedPackageVersions:
linux-restricted-modules-5.8.0-53-generic N/A
linux-backports-modules-5.8.0-53-generic N/A
linux-firmware 1.187.12
Tags: focal
Uname: Linux 5.8.0-53-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 03/17/2021
dmi.bios.vendor: Intel Corporation
dmi.bios.version: TGLSFWI1.R00.4092.E68.2103171123
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: TigerLake U DDR4 SODIMM RVP
dmi.board.vendor: Intel Corporation
dmi.board.version: 1
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 0.1
dmi.ec.firmware.release: 1.35
dmi.modalias:
dmi:bvnIntelCorporation:bvrTGLSFWI1.R00.4092.E68.2103171123:bd03/17/2021:efr1.35:svnIntelCorporation:pnTigerLakeClientPlatform:pvr0.1:rvnIntelCorporation:rnTigerLakeUDDR4SODIMMRVP:rvr1:cvnIntelCorporation:ct9:cvr0.1:
dmi.product.family: Tiger Lake Client System
dmi.product.name: Tiger Lake Client Platform
dmi.product.sku: 0001100100010000
dmi.product.version: 0.1
dmi.sys.vendor: Intel Corporation
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