could the users having that issue copy their lspci -v infos in the bug or their video card pci ids? those will be set in the list of cards that can't run unity so users will get classic GNOME rather than a broken unity
could the users having that issue copy their lspci -v infos in the bug or their video card pci ids? those will be set in the list of cards that can't run unity so users will get classic GNOME rather than a broken unity