Can't turn screen on after long inactivity

Proxecto:Trisquel
Versión:8.0
Componente:Gnome
Categoría:informe de erro
Prioridade:critical
Asignado:llz
Estado:active
Descrición

After a long period of inactivity (after screensaver turns off and display turns off) like 1 hour, I can't wake him up with IO devices (mouse / keyboard). I have to restart the machine.