Samsung NP535 laptop with Debian 8 (netinstall), the kernel 3.16.0-4-686-pae, openbox, video Radeon 7500G HD 7550M and (wood amdshnye). Installed pm-utils, earned standby (no swap).
From Ruta perform a pm-suspend, the laptop goes into standby, normally comes out of it. But if you reactivate the pm-suspend the screen turns o...