Bug#842174: Acknowledgement ([sddm] sddm crashes when second session is started)

[Johannes Zarl-Zierl <johannes@zarl-zierl.at>]

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