>>982 it's default configuration if you were using gnome desktop. the solution would be ja_JP システム->設定->スクリーンセイバー "セッションまでのアイドル時間"をスライドバーで調整する または "スクリーンセイバー起動時に画面をロック"のチェックを外す en_US system -> preference -> screensaver set the slide-bar's time as you want it be where "Regard the computer as idle after" or uncheck "Lock screen when screensaver is active"
-- turn off recording. cut here -- i love 'Fling Toasters' the screensaver theme