If I could reproduce it myself then I would probably look at making Mutter ignore all monitor events for a second or two after it has been told to go to sleep. But if I can't reproduce the bug then I can't test fixes for it.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2106437 Title: monitors never dpms off when three present Status in mutter package in Ubuntu: New Bug description: DPMS off worked fine when I only had two monitors. I recently added a third monitor to my setup. When locking the screen or timing out, the monitor turns off as expected via DPMS, but then it wakes up within seconds. They go back and forth blinking on and off for a while and then eventually stays on forever. If I turn off the third monitor the other two will go to sleep. I have 3x Philips M/N 272V8 running at 1920x1080@60Hz. Computers bits should all be in the logs. I'm not sure if it helps, but the 1st monitor does not play audio any longer despite it being listed in the audio output choices. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: xorg 1:7.7+23ubuntu3 ProcVersionSignature: Ubuntu 6.8.0-57.59-generic 6.8.12 Uname: Linux 6.8.0-57-generic x86_64 ApportVersion: 2.28.1-0ubuntu3.5 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: pass CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Apr 8 11:51:04 2025 DistUpgraded: 2024-10-05 00:08:49,051 DEBUG migrateToDeb822Sources() DistroCodename: noble DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation AlderLake-S GT1 [8086:4680] (rev 0c) (prog-if 00 [VGA controller]) Subsystem: Gigabyte Technology Co., Ltd AlderLake-S GT1 [1458:d000] InstallationDate: Installed on 2023-03-16 (753 days ago) InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223) MachineType: Gigabyte Technology Co., Ltd. B760M DS3H AX DDR4 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-57-generic root=UUID=653c8900-8901-41bf-8732-ae9546cf4c94 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to noble on 2024-10-04 (186 days ago) dmi.bios.date: 10/12/2022 dmi.bios.release: 5.27 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: F1 dmi.board.asset.tag: Default string dmi.board.name: B760M DS3H AX DDR4 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrF1:bd10/12/2022:br5.27:svnGigabyteTechnologyCo.,Ltd.:pnB760MDS3HAXDDR4:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB760MDS3HAXDDR4:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring: dmi.product.family: B760 MB dmi.product.name: B760M DS3H AX DDR4 dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.122-1~ubuntu0.24.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1build1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2106437/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
