Same issue after an upgrade from 17.04
* I was using lightdm and ctrl+alt+L * After upgrade I was on gdm (oO ok~~~) Neither ctrl+alt+L or super+L worked * I switched to lightdm and changed shortcut from ctrl+alt+L to super+L and it works, hurray! I'm keeping it but meh...
Same issue after an upgrade from 17.04
* I was using lightdm and ctrl+alt+L
* After upgrade I was on gdm (oO ok~~~) Neither ctrl+alt+L or super+L worked
* I switched to lightdm and changed shortcut from ctrl+alt+L to super+L and it works, hurray! I'm keeping it but meh...