Public bug reported:
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble ubuntu wayland-session
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Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/2106437
Title:
monitors never dpms off when three present
Status in xorg 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
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