apport information ** Tags added: apport-collected wayland-session
** Description changed: Description: Ubuntu 20.04.1 LTS Release: 20.04 What you expected to happen? After waking up from lock it should show the enter password screen and then after entering password it should show desktop What happened instead? After waking up the machine from lock , its starts flickering/blinking with black backlight for some times (from 20 seconds to 5 mins) and then shows enter password screen to login. Following is my hardware information along with a short video what happens Hardware Information : System: Kernel: 5.8.0-36-generic x86_64 bits: 64 compiler: N/A Desktop: Gnome 3.36.3 Distro: Ubuntu 20.04.1 LTS (Focal Fossa) Machine: Type: Laptop System: Dell product: Vostro 15-3568 v: N/A serial: <filter> Mobo: Dell model: 01Y1RD v: A00 serial: <filter> UEFI: Dell v: 01.08.00 date: 03/23/2017 CPU: Topology: Dual Core model: Intel Core i5-7200U bits: 64 type: MT MCP arch: Amber Lake rev: 9 L2 cache: 3072 KiB flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 21599 Speed: 800 MHz min/max: 400/3100 MHz Core speeds (MHz): 1: 802 2: 800 3: 800 4: 800 Graphics: Device-1: Intel HD Graphics 620 vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 Display: wayland server: X.Org 1.20.8 driver: i915 resolution: 1366x768~48Hz OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.0.8 direct render: Yes Video Link : hhttps://youtu.be/XPfYNbduPig + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu27.14 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: rishiraj 1366 F.... pulseaudio + CasperMD5CheckResult: skip + CurrentDesktop: ubuntu:GNOME + DistroRelease: Ubuntu 20.04 + InstallationDate: Installed on 2021-01-10 (0 days ago) + InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) + MachineType: Dell Inc. Vostro 15-3568 + Package: linux (not installed) + ProcFB: 0 i915drmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-36-generic root=UUID=ac2bc6f4-820f-41d4-b012-59118c273761 ro quiet splash drm.debug=0x1e log_buf_len=4M vt.handoff=7 + ProcVersionSignature: Ubuntu 5.8.0-36.40~20.04.1-generic 5.8.18 + RelatedPackageVersions: + linux-restricted-modules-5.8.0-36-generic N/A + linux-backports-modules-5.8.0-36-generic N/A + linux-firmware 1.187.7 + Tags: focal wayland-session + Uname: Linux 5.8.0-36-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 03/23/2017 + dmi.bios.release: 1.8 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 01.08.00 + dmi.board.name: 01Y1RD + dmi.board.vendor: Dell Inc. + dmi.board.version: A00 + dmi.chassis.type: 9 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr01.08.00:bd03/23/2017:br1.8:svnDellInc.:pnVostro15-3568:pvr:rvnDellInc.:rn01Y1RD:rvrA00:cvnDellInc.:ct9:cvr: + dmi.product.family: Vostro + dmi.product.name: Vostro 15-3568 + dmi.product.sku: 0794 + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1910861/+attachment/5451450/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910861 Title: Screen Keeps Blinking/Flickering after waking up from lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1910861/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs