Public bug reported:
Updated to 20.04 from 19.10 last week.
Wayland enabled on gdm3, Gnome on wayland session. When receiving
notifications from the Slack snap or notifications from Firefox
Developer Edition on the Slack site, the desktop freezes, the keyboard
does not work (cannot switch to virtual console), neither does the mouse
pointer. After some 30s the desktop unfreezes and everything continues
normally. Don't know what logs to check, journal and syslog offer no
clues.
Disabled wayland on gdm3. Gnome on Xorg session (configured "intel"
driver instead of "modesetting"). Slack notifications do not cause
desktop freezes.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1902885
Title:
Gnome on wayland freezes on notification
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