The difference between 21.10 and 22.04 might just be that we now default
to Wayland instead of Xorg. So the display subsystems are different.
Please run this command to gather more information:
apport-collect 1975557
And to save time in future please use the 'ubuntu-bug' command to report
new bugs.
** Tags added: jammy
** Package changed: xorg (Ubuntu) => gnome-shell (Ubuntu)
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1975557
Title:
blank screen does not turn off display backlight
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1975557/+subscriptions
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