** Summary changed: - Ubuntu shows black screen after boot, when connected to external monitor + Ubuntu shows black screen after suspend
** Description changed: - Ubuntu shows black screen after boot, when connected to external monitor through docking station. - Thinkpad e14 gen 2. Closed lid. When detached from docking station, and lid opened Ubuntu still showing blank screen even on internal monitor. There is no possibility to switch to terminal. + Ubuntu shows black screen on internal monitor, after suspend. But only + when connected to external monitor through docking station while + suspending. + + There is no possibility to switch to terminal. Closing and opening lid don't fix the issue. The only option is to hard restart laptop while detached from docking station, and connect to it after logging in to the system. - I didn't have the problem month ago. Some update probably caused it. + I didn't have the problem a month ago. Some update probably caused it. Docking station - ThinkPad USB-C Dock Gen 2 (40AS). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-53-generic 5.15.0-53.59 ProcVersionSignature: Ubuntu 5.15.0-53.59-generic 5.15.64 Uname: Linux 5.15.0-53-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.2 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC2: as 5816 F.... pulseaudio - /dev/snd/controlC1: as 5816 F.... pulseaudio - /dev/snd/controlC0: as 5816 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC2: as 5816 F.... pulseaudio + /dev/snd/controlC1: as 5816 F.... pulseaudio + /dev/snd/controlC0: as 5816 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Dec 2 10:10:31 2022 InstallationDate: Installed on 2020-12-06 (725 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) MachineType: LENOVO 20T6000TPB ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-53-generic root=UUID=a5796f3d-37a8-428b-aa28-c160ea77bc9b ro quiet splash RelatedPackageVersions: - linux-restricted-modules-5.15.0-53-generic N/A - linux-backports-modules-5.15.0-53-generic N/A - linux-firmware 20220329.git681281e4-0ubuntu3.6 + linux-restricted-modules-5.15.0-53-generic N/A + linux-backports-modules-5.15.0-53-generic N/A + linux-firmware 20220329.git681281e4-0ubuntu3.6 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/06/2021 dmi.bios.release: 1.16 dmi.bios.vendor: LENOVO dmi.bios.version: R1AET40W (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: 20T6000TPB dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.16 dmi.modalias: dmi:bvnLENOVO:bvrR1AET40W(1.16):bd09/06/2021:br1.16:efr1.16:svnLENOVO:pn20T6000TPB:pvrThinkPadE14Gen2:rvnLENOVO:rn20T6000TPB:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20T6_BU_Think_FM_ThinkPadE14Gen2: dmi.product.family: ThinkPad E14 Gen 2 dmi.product.name: 20T6000TPB dmi.product.sku: LENOVO_MT_20T6_BU_Think_FM_ThinkPad E14 Gen 2 dmi.product.version: ThinkPad E14 Gen 2 dmi.sys.vendor: LENOVO ** Description changed: Ubuntu shows black screen on internal monitor, after suspend. But only when connected to external monitor through docking station while suspending. There is no possibility to switch to terminal. - Closing and opening lid don't fix the issue. - The only option is to hard restart laptop while detached from docking station, and connect to it after logging in to the system. + Closing and opening lid don't fix the issue, the same with suspending with power button or closing the lid again. + The only option is to hard restart laptop. I didn't have the problem a month ago. Some update probably caused it. Docking station - ThinkPad USB-C Dock Gen 2 (40AS). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-53-generic 5.15.0-53.59 ProcVersionSignature: Ubuntu 5.15.0-53.59-generic 5.15.64 Uname: Linux 5.15.0-53-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: as 5816 F.... pulseaudio /dev/snd/controlC1: as 5816 F.... pulseaudio /dev/snd/controlC0: as 5816 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Dec 2 10:10:31 2022 InstallationDate: Installed on 2020-12-06 (725 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) MachineType: LENOVO 20T6000TPB ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-53-generic root=UUID=a5796f3d-37a8-428b-aa28-c160ea77bc9b ro quiet splash RelatedPackageVersions: linux-restricted-modules-5.15.0-53-generic N/A linux-backports-modules-5.15.0-53-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.6 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/06/2021 dmi.bios.release: 1.16 dmi.bios.vendor: LENOVO dmi.bios.version: R1AET40W (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: 20T6000TPB dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.16 dmi.modalias: dmi:bvnLENOVO:bvrR1AET40W(1.16):bd09/06/2021:br1.16:efr1.16:svnLENOVO:pn20T6000TPB:pvrThinkPadE14Gen2:rvnLENOVO:rn20T6000TPB:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20T6_BU_Think_FM_ThinkPadE14Gen2: dmi.product.family: ThinkPad E14 Gen 2 dmi.product.name: 20T6000TPB dmi.product.sku: LENOVO_MT_20T6_BU_Think_FM_ThinkPad E14 Gen 2 dmi.product.version: ThinkPad E14 Gen 2 dmi.sys.vendor: LENOVO -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1998589 Title: Ubuntu shows black screen after suspend Status in linux package in Ubuntu: Confirmed Bug description: Ubuntu shows black screen on internal monitor, after suspend. But only when connected to external monitor through docking station while suspending. There is no possibility to switch to terminal. Closing and opening lid don't fix the issue, the same with suspending with power button or closing the lid again. The only option is to hard restart laptop. I didn't have the problem a month ago. Some update probably caused it. Docking station - ThinkPad USB-C Dock Gen 2 (40AS). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-53-generic 5.15.0-53.59 ProcVersionSignature: Ubuntu 5.15.0-53.59-generic 5.15.64 Uname: Linux 5.15.0-53-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: as 5816 F.... pulseaudio /dev/snd/controlC1: as 5816 F.... pulseaudio /dev/snd/controlC0: as 5816 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Dec 2 10:10:31 2022 InstallationDate: Installed on 2020-12-06 (725 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) MachineType: LENOVO 20T6000TPB ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-53-generic root=UUID=a5796f3d-37a8-428b-aa28-c160ea77bc9b ro quiet splash RelatedPackageVersions: linux-restricted-modules-5.15.0-53-generic N/A linux-backports-modules-5.15.0-53-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.6 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/06/2021 dmi.bios.release: 1.16 dmi.bios.vendor: LENOVO dmi.bios.version: R1AET40W (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: 20T6000TPB dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.16 dmi.modalias: dmi:bvnLENOVO:bvrR1AET40W(1.16):bd09/06/2021:br1.16:efr1.16:svnLENOVO:pn20T6000TPB:pvrThinkPadE14Gen2:rvnLENOVO:rn20T6000TPB:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20T6_BU_Think_FM_ThinkPadE14Gen2: dmi.product.family: ThinkPad E14 Gen 2 dmi.product.name: 20T6000TPB dmi.product.sku: LENOVO_MT_20T6_BU_Think_FM_ThinkPad E14 Gen 2 dmi.product.version: ThinkPad E14 Gen 2 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1998589/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
