Package: gnome-screensaver Version: 3.6.1-7+b1 Severity: important gnome-core installed, gnome-screensaver installed, gdm3 is my default display manager, screen lock is turned on in gnome settings: nothing happens. The screensaver does not turn on automatically, nor is there any obvious way to turn it on manually.
-- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (990, 'testing'), (700, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.5.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages gnome-screensaver depends on: ii dbus-x11 1.10.8-1 ii gnome-icon-theme 3.12.0-1 ii gnome-session-bin 3.20.1-2 ii gsettings-desktop-schemas 3.20.0-3 ii libc6 2.22-9 ii libcairo2 1.14.6-1+b1 ii libdbus-1-3 1.10.8-1 ii libdbus-glib-1-2 0.106-1 ii libgdk-pixbuf2.0-0 2.34.0-1 ii libglib2.0-0 2.48.1-1 ii libgnome-desktop-3-12 3.20.2-1 ii libgnomekbd8 3.6.0-1 ii libgtk-3-0 3.20.4-1 ii libpam0g 1.1.8-3.2 ii libsystemd0 229-6 ii libx11-6 2:1.6.3-1 ii libxext6 2:1.3.3-1 ii libxklavier16 5.2.1-1 ii libxxf86vm1 1:1.1.4-1 Versions of packages gnome-screensaver recommends: ii gnome-power-manager 3.20.0-1 ii libpam-gnome-keyring 3.20.0-1 gnome-screensaver suggests no packages. -- debconf-show failed