I wonder if this is related to bug 1923335. That also has an issue with
the screen flashing back on when it should be off.
** Package changed: gdm3 (Ubuntu) => mutter (Ubuntu)
** Also affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags added: focal
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https://bugs.launchpad.net/bugs/1939163
Title:
Screen splash when suspend or resume on I+N platform
Status in gnome-shell package in Ubuntu:
New
Status in mutter package in Ubuntu:
New
Bug description:
[Summary]
1.when clicking the the "Suspend" from the "shutdown" menu,The screen will
refresh and then sleep
2.when resuming ,the desktop in buffer will appear first, and then the lock
screen will appear
[Reproduce]
On Intel + Nvidia platform, do suspend and resume.
[Expected result]
1. It should show the screen without splash.
[Actual result]
1. the screen display abnormal after suspend or before resume.
[Additional information]
Kernel Version: 5.10.0-1038-oem
Ubuntu Version: 20.04.2 LTS
Image: Ubuntu Linux 20.04.2
system-manufacturer: LENOVO
Platform: ThinkPad L14, P15v or T14.
Nvidia: 460.91.03-0ubuntu0.20.04.1 or 470.57.02-0ubuntu0.20.04.1
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