[amdgpu] [KDE] Display flashes black

Bug #1996900 reported by Pepijn de Vos
12
This bug affects 1 person
Affects Status Importance Assigned to Milestone
kwin (Ubuntu)
New
Undecided
Unassigned

Bug Description

During normal usage the display sometimes flashes black. In particular some websites cause intense flickering with several black frames per second.

This actually seems to happen in both Wayland and xorg sessions and flashes the entire screen, so it seems more like a driver bug but I'm not sure where to file that.

ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.19.0-23.24-generic 5.19.7
Uname: Linux 5.19.0-23-generic x86_64
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: KDE
Date: Thu Nov 17 14:00:15 2022
DistUpgraded: Fresh install
DistroCodename: kinetic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Raphael [1002:164e] (rev c1) (prog-if 00 [VGA controller])
   Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Raphael [1002:164e]
InstallationDate: Installed on 2022-10-30 (18 days ago)
InstallationMedia: Lubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221017.1)
MachineType: ASUS System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.19.0-23-generic root=UUID=bcf965e4-1a60-42fe-8033-214524d1908b ro quiet cryptdevice=UUID=66cc3c7b-e0bd-4535-b634-d56226dd88f1:luks-66cc3c7b-e0bd-4535-b634-d56226dd88f1 root=/dev/mapper/luks-66cc3c7b-e0bd-4535-b634-d56226dd88f1 splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/08/2022
dmi.bios.release: 6.3
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0603
dmi.board.asset.tag: Default string
dmi.board.name: TUF GAMING X670E-PLUS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0603:bd09/08/2022:br6.3:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnTUFGAMINGX670E-PLUS:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.113-2
version.libgl1-mesa-dri: libgl1-mesa-dri 22.2.1-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1

Revision history for this message
Pepijn de Vos (pepijndevos) wrote :
Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: [amdgpu] [KDE] Display flashes

Thanks for the bug report. Next time the flashes occur, please run:

  journalctl -b0 > flashes.txt

and attach the resulting text file here.

tags: added: amdgpu
summary: - display flashes
+ [amdgpu] [KDE] Display flashes
affects: xorg (Ubuntu) → linux (Ubuntu)
summary: - [amdgpu] [KDE] Display flashes
+ [amdgpu] [KDE] Display flashes black
Changed in linux (Ubuntu):
status: New → Incomplete
Revision history for this message
Pepijn de Vos (pepijndevos) wrote :

Here is the requested log. I reproduced the flashes at 13:20 by hovering the mouse over a diff on github.com and ran the requested command a few seconds later. There were many rapid black flashes on the screen, and no obvious corresponding output, but maybe there is something else interesting in there.

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

If those log messages are correlated at all then it would suggest the bug is in KDE(?)

dec 01 13:19:07 bizpep xdg-desktop-portal-kde[4970]: xdp-kde-background: GetAppState called: no parameters
dec 01 13:19:37 bizpep xdg-desktop-portal-kde[4970]: xdp-kde-background: GetAppState called: no parameters
dec 01 13:20:07 bizpep xdg-desktop-portal-kde[4970]: xdp-kde-background: GetAppState called: no parameters

Although I am skeptical they relate to the black flashes.

affects: linux (Ubuntu) → kwin (Ubuntu)
Changed in kwin (Ubuntu):
status: Incomplete → New
Revision history for this message
Pepijn de Vos (pepijndevos) wrote :

Yes there were many more flashes than log messages, I don't think they correlate.

Anything else I could try to narrow this down?

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