Public bug reported: I have an issue since about a week or so, the display blinks black, like it's turning off and on again. The black blink lasts for not more than a second. I haven't managed to reproduce it in UEFI yet, so i believe it might not be a hardware issue.
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-52.57-lowlatency 5.4.65 Uname: Linux 5.4.0-52-lowlatency x86_64 ApportVersion: 2.20.11-0ubuntu27.10 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sat Oct 24 12:29:59 2020 DistUpgraded: 2020-10-23 18:35:32,104 DEBUG /openCache(), new cache size 66443 DistroCodename: focal DistroVariant: ubuntu DkmsStatus: nvidia, 450.80.02, 5.4.0-51-lowlatency, x86_64: installed nvidia, 450.80.02, 5.4.0-52-lowlatency, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] UHD Graphics 620 [1025:1193] Subsystem: Acer Incorporated [ALI] GP108M [GeForce MX150] [1025:119a] InstallationDate: Installed on 2020-02-08 (258 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Acer Aspire A515-51G ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-52-lowlatency root=/dev/mapper/vgubuntu-root ro quiet splash resume=UUID=f0e63db4-d3af-4977-a82a-5a46a3c677ae lockdown=confidentiality intel_iommu=on SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to focal on 2020-10-23 (0 days ago) dmi.bios.date: 01/03/2019 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V2.02 dmi.board.asset.tag: Type2 - Board Serial Number dmi.board.name: Charmander_KL dmi.board.vendor: KBL dmi.board.version: V2.02 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V2.02 dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.02:bd01/03/2019:svnAcer:pnAspireA515-51G:pvrV2.02:rvnKBL:rnCharmander_KL:rvrV2.02:cvnAcer:ct10:cvrV2.02: dmi.product.family: Aspire 5 dmi.product.name: Aspire A515-51G dmi.product.sku: 0000000000000000 dmi.product.version: V2.02 dmi.sys.vendor: Acer mtime.conffile..etc.apport.crashdb.conf: 2020-05-15T09:41:35.683742 version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ubuntu wayland-session -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1901296 Title: Display blinks black from time to time Status in xorg package in Ubuntu: New Bug description: I have an issue since about a week or so, the display blinks black, like it's turning off and on again. The black blink lasts for not more than a second. I haven't managed to reproduce it in UEFI yet, so i believe it might not be a hardware issue. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-52.57-lowlatency 5.4.65 Uname: Linux 5.4.0-52-lowlatency x86_64 ApportVersion: 2.20.11-0ubuntu27.10 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sat Oct 24 12:29:59 2020 DistUpgraded: 2020-10-23 18:35:32,104 DEBUG /openCache(), new cache size 66443 DistroCodename: focal DistroVariant: ubuntu DkmsStatus: nvidia, 450.80.02, 5.4.0-51-lowlatency, x86_64: installed nvidia, 450.80.02, 5.4.0-52-lowlatency, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] UHD Graphics 620 [1025:1193] Subsystem: Acer Incorporated [ALI] GP108M [GeForce MX150] [1025:119a] InstallationDate: Installed on 2020-02-08 (258 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Acer Aspire A515-51G ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-52-lowlatency root=/dev/mapper/vgubuntu-root ro quiet splash resume=UUID=f0e63db4-d3af-4977-a82a-5a46a3c677ae lockdown=confidentiality intel_iommu=on SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to focal on 2020-10-23 (0 days ago) dmi.bios.date: 01/03/2019 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V2.02 dmi.board.asset.tag: Type2 - Board Serial Number dmi.board.name: Charmander_KL dmi.board.vendor: KBL dmi.board.version: V2.02 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V2.02 dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.02:bd01/03/2019:svnAcer:pnAspireA515-51G:pvrV2.02:rvnKBL:rnCharmander_KL:rvrV2.02:cvnAcer:ct10:cvrV2.02: dmi.product.family: Aspire 5 dmi.product.name: Aspire A515-51G dmi.product.sku: 0000000000000000 dmi.product.version: V2.02 dmi.sys.vendor: Acer mtime.conffile..etc.apport.crashdb.conf: 2020-05-15T09:41:35.683742 version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1901296/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp