apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1844580/+attachment/5289608/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => New
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1844580
Title:
Screen tearing with AMD open source drivers and a high refresh rate
monitor
Status in linux package in Ubuntu:
Confirmed
Bug description:
i have the following issue:
If i use a monitor with a higher refresh rate then 60 then i will get nasty
screen tearing and flickering.
I have a monitor with 75 hz ,a amd rx 480 gpu with open source video drivers.
The work-around the issue that i found is to force the gpu power state to
high with the command echo high >
/sys/class/drm/card0/device/power_dpm_force_performance_level
In my opinion this should be a High importance because it will offer a pour
experience when for every user that it's using open source drivers and a high
refresh monitor
Tested on Ubuntu and Ubuntu Mate 18.04.x ,19.04 and 19.10 daily.
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: apolihron 1196 F.... pulseaudio
/dev/snd/controlC0: apolihron 1196 F.... pulseaudio
CurrentDesktop: MATE
DistroRelease: Ubuntu 19.10
InstallationDate: Installed on 2019-08-27 (22 days ago)
InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Alpha amd64 (20190827)
IwConfig:
lo no wireless extensions.
enp31s0 no wireless extensions.
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-10-generic
root=UUID=0f0545cf-77f5-426f-8140-ce269bf41654 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.3.0-10.11-generic 5.3.0-rc8
RelatedPackageVersions:
linux-restricted-modules-5.3.0-10-generic N/A
linux-backports-modules-5.3.0-10-generic N/A
linux-firmware 1.182
RfKill:
Tags: eoan
Uname: Linux 5.3.0-10-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/05/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P5.10
dmi.board.name: AB350M 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.:bvrP5.10:bd10/05/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnAB350MPro4: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.sku: 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.
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