Lock screen wallpaper vanishes (goes black) if a second monitor is plugged in/out

Bug #2013042 reported by Daniel van Vugt
20
This bug affects 3 people
Affects Status Importance Assigned to Milestone
GNOME Shell
New
Unknown
gnome-shell (Ubuntu)
Triaged
Low
Unassigned

Bug Description

Lock screen's blurry wallpaper vanishes on the primary monitor if a second monitor is plugged in/out. I'm left with just the lock screen text on a black background.

description: updated
Changed in gnome-shell:
status: Unknown → New
Changed in gnome-shell (Ubuntu):
status: New → Triaged
Revision history for this message
Lukáš Chmela (lukaschmela) wrote :

Confirmed in Ubuntu 23.04. The issue happens on my external monitor (2560x1440@60Hz) set as primary monitor and located above the laptop's internal FullHD display (both physically and virtually). Background with no elements on it is only displayed on my secondary monitor (laptop screen when external monitor is plugged in) when lock screen is displayed. If I unplug the external monitor, lock screen is correctly displayed on my internal laptop screen, together with the background.

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