Work-around: 1) Go into unity config (alt+f2 > about:config). 2) Change the "Key to show the launcher" from "<Super>" to "<Super>u". 3) Try again, gnome correctly locks the screen
Work-around:
1) Go into unity config (alt+f2 > about:config).
2) Change the "Key to show the launcher" from "<Super>" to "<Super>u".
3) Try again, gnome correctly locks the screen