*** This bug is a duplicate of bug 2056445 ***
https://bugs.launchpad.net/bugs/2056445
** This bug has been marked a duplicate of bug 2056445
external monitors flash white with every interrupt
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https://bugs.launchpad.net/bugs/2056803
Title:
amdgpu: hotplugging display sometimes fails
Status in linux package in Ubuntu:
New
Bug description:
Description: Ubuntu Noble Numbat (development branch)
Release: 24.04
Kernel info: Linux gman-Laptop-13-AMD-Ryzen-7040Series
6.8.0-11-generic #11-Ubuntu SMP PREEMPT_DYNAMIC Wed Feb 14 00:29:05
UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Hardware: AMD Framework 13
Expected:
Hotplugging HDMI display (via usb-c displayport alt mode with DP-HDMI
adapter) after boot does not fail every time
What happened:
Hotplugging HDMI display (via usb-c displayport alt mode with DP-HDMI
adapter) frequently fails with either:
- no outout
- a white screen with only the mouse cursor visible
- attempt enable and disable over and over again with dmesg log spam and KDE
display configuration showing that the display arrangement changes every couple
of seconds
this problem is not observed on Windows 11 with the same hardware.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-generic 6.8.0-11.11+1
ProcVersionSignature: Ubuntu 6.8.0-11.11-generic 6.8.0-rc4
Uname: Linux 6.8.0-11-generic x86_64
ApportVersion: 2.28.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Mon Mar 11 16:59:30 2024
InstallationDate: Installed on 2023-11-16 (117 days ago)
InstallationMedia: Kubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
MachineType: Framework Laptop 13 (AMD Ryzen 7040Series)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-11-generic
root=UUID=8484eee5-4c87-4cb9-9f40-5f1c9a24db18 ro rtc_cmos.use_acpi_alarm=1
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.8.0-11-generic N/A
linux-backports-modules-6.8.0-11-generic N/A
linux-firmware 20240202.git36777504-0ubuntu1
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-02-25 (16 days ago)
dmi.bios.date: 10/17/2023
dmi.bios.release: 3.3
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 03.03
dmi.board.asset.tag: *
dmi.board.name: FRANMDCP05
dmi.board.vendor: Framework
dmi.board.version: A5
dmi.chassis.asset.tag: FRANDGCPA5342400SJ
dmi.chassis.type: 10
dmi.chassis.vendor: Framework
dmi.chassis.version: A5
dmi.modalias:
dmi:bvnINSYDECorp.:bvr03.03:bd10/17/2023:br3.3:svnFramework:pnLaptop13(AMDRyzen7040Series):pvrA5:rvnFramework:rnFRANMDCP05:rvrA5:cvnFramework:ct10:cvrA5:skuFRANDGCP05:
dmi.product.family: Laptop
dmi.product.name: Laptop 13 (AMD Ryzen 7040Series)
dmi.product.sku: FRANDGCP05
dmi.product.version: A5
dmi.sys.vendor: Framework
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