Public bug reported:
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 Battery: ID-1: BAT0 charge: 21.9 Wh condition: 29.9/41.4 Wh (72%) model: Panasonic DELL 78V9D74 status: Discharging 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 Audio: Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1f.3 Sound Server: ALSA v: k5.8.0-36-generic Network: Device-1: Intel Wireless 3165 driver: iwlwifi v: kernel port: f040 bus ID: 01:00.0 IF: wlp1s0 state: up mac: <filter> Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Dell driver: r8169 v: kernel port: e000 bus ID: 02:00.0 IF: enp2s0 state: down mac: <filter> Drives: Local Storage: total: 931.51 GiB used: 8.03 GiB (0.9%) ID-1: /dev/sda vendor: Seagate model: ST1000LM035-1RK172 size: 931.51 GiB temp: 37 C Partition: ID-1: / size: 915.40 GiB used: 8.03 GiB (0.9%) fs: ext4 dev: /dev/sda2 Sensors: System Temperatures: cpu: 45.0 C mobo: 39.0 C Fan Speeds (RPM): cpu: 2894 Info: Processes: 220 Uptime: 49m Memory: 11.57 GiB used: 2.44 GiB (21.1%) Init: systemd runlevel: 5 Compilers: gcc: N/A Shell: bash v: 5.0.17 inxi: 3.0.38 Video Link : https://drive.google.com/file/d/1v8d1vnPz9JNqmU3zCiKcXZZCgmHyjgJ2/view?usp=sharing ** Affects: gnome-shell-extension-ubuntu-dock (Ubuntu) Importance: Undecided Status: New ** Tags: ubuntu20.04 unity -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell-extension-ubuntu-dock in 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/gnome-shell-extension-ubuntu-dock/+bug/1910861/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs