By request, I'm also including the information gathered by reportbug: -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386
Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=de_AT.UTF-8, LC_CTYPE=de_AT.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages sddm depends on: ii adduser 3.115 ii debconf [debconf-2.0] 1.5.59 ii libc6 2.24-5 ii libgcc1 1:6.2.0-9 ii libpam0g 1.1.8-3.3 ii libqt5core5a 5.6.1+dfsg-3+b1 ii libqt5dbus5 5.6.1+dfsg-3+b1 ii libqt5gui5 5.6.1+dfsg-3+b1 ii libqt5network5 5.6.1+dfsg-3+b1 ii libqt5qml5 5.6.1-11 ii libqt5quick5 5.6.1-11 ii libstdc++6 6.2.0-9 ii libsystemd0 231-9 ii libxcb-xkb1 1.12-1 ii libxcb1 1.12-1 ii qml-module-qtquick2 5.6.1-11 ii sddm-theme-breeze [sddm-theme] 4:5.8.2-1 Versions of packages sddm recommends: ii libpam-systemd 231-9 Versions of packages sddm suggests: ii libpam-kwallet5 5.8.2-1 -- debconf information: * shared/default-x-display-manager: sddm sddm/daemon_name: /usr/bin/sddm