** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1943463
Title:
Lock screen notifications break sleep
Status in GNOME Shell:
Unknown
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
On Ubuntu 21.04:
With pulseaudio lock screen notifications turned on (by default),
every time an audio device is added or removed, the screen gets woken
up to show the notification. When a monitor goes to sleep, it switches
off the HDMI audio channel connected to pulseaudio, which causes a
notification, which causes the screen to switch on again. Then the
lock screen goes to sleep again after a timeout.
Rinse, repeat.
Fixed by switching off lock screen notifications for pulseaudio, but
this was a head scratcher for a good few months.
Suggested fix - don't cause notifications to wake up a monitor.
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