After installing some updates – sorry, I don't know which was the relevant one, I assume gnome-shell – I'm forced into GNOME fallback mode now; I suppose my graphics hardware got blacklisted. xsession-errors contains the following lines: > gnome-session-is-accelerated: No hardware 3D support. > gnome-session-check-accelerated: Helper exited with code 256 Does it make any sense to switch to GNOME shell with 'gnome-shell --replace' and add more information to this report? Or is there a way to avoid fallback mode for testing purposes? Thanks, Stefan.
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