You have been subscribed to a public bug: SUMMARY When returning from "suspend" (sleep mode), the monitors do not turn on, or rarely return with low resolution (640x480). Wayland does not allow resolution change (attachment). I have two HP V206hz monitors that have a maximum resolution of 1600x900x60hz and are connected to a Radeon RX 6600 via cable (displayport > DVI).
STEPS TO REPRODUCE 1. Manually suspend the computer. 2. Wait for the suspend process to finish (front panel LED flashes). 3. Press any key to wake up the computer. OBSERVED RESULT A1 - The screens do not turn on (monitor LED is blinking) after manual suspension. A2 - Sometimes the screens turn on, but with low resolution (640x480). A3 - Sometimes one of the screens returns with a resolution of 640x480 after returning from automatic suspension (when the automatic shutdown of the splint is not active). A4 - If the screen turns off automatically (before the automatic suspension) the monitor video returns with adequate resolution (1600x900) EXPECTED OUTCOME The screens turn on after the computer wakes up from sleep mode. SOFTWARE/OS VERSIONS Linux/KDE Plasma: OS: Kubuntu 22.04.2 LTS x86_64 Kernel: 5.19.0-42-generic KDE Plasma Version: 5.24.7 KDE Framework Version: 5.92.0 Qt Version: 5.15.3 ADDITIONAL INFORMATION To view any content, you must force restart with the power button or remove and reinsert the display cable. I installed the amd package for the gpu but the problem remained. https://www.amd.com/en/support/graphics/amd-radeon-6000-series/amd-radeon-6600-series/amd-radeon-rx-6600 Attachment dmesg (after removing and inserting displayport cable) https://pastebin.com/Xbq3JaWT dmesg (after return of sleep) https://pastebin.com/9LPvK9JL https://bugs.kde.org/show_bug.cgi?id=470180#attach_159212 ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: xorg 1:7.7+23ubuntu2 ProcVersionSignature: Ubuntu 5.19.0-42.43~22.04.1-generic 5.19.17 Uname: Linux 5.19.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.4 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: pass CompositorRunning: None CurrentDesktop: KDE Date: Wed May 24 17:12:50 2023 DistUpgraded: Fresh install DistroCodename: jammy DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Navi 23 [Radeon RX 6600/6600 XT/6600M] [1002:73ff] (rev c7) (prog-if 00 [VGA controller]) Subsystem: Tul Corporation / PowerColor Navi 23 [Radeon RX 6600/6600 XT/6600M] [148c:2413] InstallationDate: Installed on 2023-05-20 (3 days ago) InstallationMedia: Kubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223) MachineType: To Be Filled By O.E.M. B550M-ITX/ac ProcEnviron: LANGUAGE=pt_BR:pt:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pt_BR.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.19.0-42-generic root=UUID=14e3583d-5b94-40f1-b1ff-0d1d175e7bc8 ro rootflags=subvol=@ quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/27/2022 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: P2.20 dmi.board.name: B550M-ITX/ac 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:bvnAmericanMegatrendsInternational,LLC.:bvrP2.20:bd12/27/2022:br5.17:svnToBeFilledByO.E.M.:pnB550M-ITX/ac:pvrToBeFilledByO.E.M.:rvnASRock:rnB550M-ITX/ac:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: B550M-ITX/ac 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. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.113-2~ubuntu0.22.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 22.2.5-0ubuntu0.1~22.04.2 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1 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 ** Affects: kwin (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug jammy kubuntu ubuntu -- Screens won't turn on after manually suspending https://bugs.launchpad.net/bugs/2020709 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kwin in Ubuntu. -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs