Bug#839104: extremetuxracer takes the focus but no windows is displayed but sound is played => impossible to switch to other applications, impossible to close extremetuxracer

[gpe92]

Package: extremetuxracer
Version: 0.7.3-2+b1
Severity: normal

Dear Maintainer,

   * What led up to the situation?
   launch extremetuxracer
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
     none window is displayed, the screen is flashing
   * What was the outcome of this action?
   impossible to switch to other applications and to close
   extremetuxracer
   * What outcome did you expect instead?
   displaying the extremetuxracer window


-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages extremetuxracer depends on:
ii  extremetuxracer-data      0.7.3-2
ii  libc6                     2.23-5
ii  libgcc1                   1:6.1.1-11
ii  libgl1-mesa-glx [libgl1]  12.0.3-1
ii  libglu1-mesa [libglu1]    9.0.0-2.1
ii  libsfml-audio2.4          2.4.0+dfsg-2
ii  libsfml-graphics2.4       2.4.0+dfsg-2
ii  libsfml-system2.4         2.4.0+dfsg-2
ii  libsfml-window2.4         2.4.0+dfsg-2
ii  libstdc++6                6.1.1-11

extremetuxracer recommends no packages.

extremetuxracer suggests no packages.

-- no debconf information