The log messages seem common so I've made this bug just about them
(fixed in 42.1 in theory).
If you still have black screen issues after this reaches 'Fix Released'
then please open a new bug.
** Summary changed:
- Screen goes black when opening Settings [Unhandled promise rejection in
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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The black screen occurs regularly (but not systematically) when I click on
"Settings" or sometimes even when I try to change a setting, like Bluetooth or
WiFi.
And this error is one of those that appear in the logs.
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