Public bug reported:
After switching back to Xorg, I have encountered the issue with the
second (external) monitor - after the screen is locked and I unlock it,
the second monitor either shows a blank black screen or is not even
active in Display settings. It's like the configuration is lost during
lock/unclock process.
I am using USB-C to HDMI cable with the second screen and Xorg as
display manager.
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 6.5.0-17.17-generic 6.5.8
Uname: Linux 6.5.0-17-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
.proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
.proc.driver.nvidia.gpus..01.00.0: Error: path was not a regular file.
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 535.154.05 Thu Dec 28
15:37:48 UTC 2023
GCC version:
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 13 12:53:24 2024
DistUpgraded: Fresh install
DistroCodename: mantic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
NVIDIA Corporation GA104M [GeForce RTX 3080 Mobile / Max-Q 8GB/16GB]
[10de:24dc] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Lenovo GA104M [GeForce RTX 3080 Mobile / Max-Q 8GB/16GB]
[17aa:3a58]
InstallationDate: Installed on 2024-01-12 (32 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
MachineType: {report['dmi.sys.vendor']} {report['dmi.product.name']}
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-17-generic
root=UUID=9943bf1f-3749-4bb4-89b5-33eeb86f8afc ro quiet splash
amd_pstate=guided vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/07/2023
dmi.bios.release: 1.64
dmi.bios.vendor: LENOVO
dmi.bios.version: GKCN64WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0K17763 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion 7 16ACHg6
dmi.ec.firmware.release: 1.64
dmi.modalias:
dmi:bvnLENOVO:bvrGKCN64WW:bd12/07/2023:br1.64:efr1.64:svnLENOVO:pn82N6:pvrLegion716ACHg6:rvnLENOVO:rnLNVNB161216:rvrSDK0K17763WIN:cvnLENOVO:ct10:cvrLegion716ACHg6:skuLENOVO_MT_82N6_BU_idea_FM_Legion716ACHg6:
dmi.product.family: Legion 7 16ACHg6
dmi.product.name: 82N6
dmi.product.sku: LENOVO_MT_82N6_BU_idea_FM_Legion 7 16ACHg6
dmi.product.version: Legion 7 16ACHg6
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.115-1
version.libgl1-mesa-dri: libgl1-mesa-dri 23.2.1-1ubuntu3.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.7-3ubuntu2.7
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug mantic ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/2053019
Title:
Second (external) monitor not active after screen lock
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