Bug#751736: gnome-screensaver: quite often unable to unlock the screen

Janusz S. Bień jsbien at mimuw.edu.pl
Mon Jun 16 07:02:22 UTC 2014

Package: gnome-screensaver
Version: 3.6.1-1
Severity: important

Quite often I'm unable to unlock the screen. This happens almost always
when the computer is not used locally for serveral hours.

The screen look similar to 


After pressing Enter the arrows moves but that's all.

I tried the unlock the screen remotely following the advice of


but it doesn't work for me:

jsbien at debian2050pc1:~$ DISPLAY=:0 gnome-screensaver-command -d
** Message: Failed to get session bus: Error spawning command line 'dbus-launch --autolaunch=c5dd83e04d31e5407fe1366551d54718 --binary-syntax --close-stderr': Child process exited with code 1

jsbien at debian2050pc1:~$ export DISPLAY=:0
jsbien at debian2050pc1:~$ dbus-send --session \
>          --dest=org.gnome.ScreenSaver \
>          --type=method_call \
>          --print-reply \
>          --reply-timeout=20000 \
>          /org/gnome/ScreenSaver \
>          org.gnome.ScreenSaver.SetActive \
>          boolean:false
Failed to open connection to "session" message bus: /usr/bin/dbus-launch terminated abnormally with the following error: No protocol specified
Autolaunch error: X11 initialization failed.

I will appreciate your help.

Best regards


-- System Information:
Debian Release: jessie/sid
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.13-1-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

Versions of packages gnome-screensaver depends on:
ii  dbus-x11                   1.8.2-1
ii  gnome-icon-theme           3.12.0-1
ii  gnome-session-bin          3.8.4-4
ii  gsettings-desktop-schemas  3.8.2-2
ii  libc6                      2.18-7
ii  libcairo2                  1.12.16-2
ii  libdbus-1-3                1.8.2-1
ii  libdbus-glib-1-2           0.102-1
ii  libgdk-pixbuf2.0-0         2.30.7-1
ii  libglib2.0-0               2.40.0-3
ii  libgnome-desktop-3-7       3.8.4-2
ii  libgnomekbd8               3.6.0-1
ii  libgtk-3-0                 3.12.2-1
ii  libpam0g                   1.1.8-3
ii  libx11-6                   2:1.6.2-2
ii  libxext6                   2:1.3.2-1
ii  libxklavier16              5.2.1-1
ii  libxxf86vm1                1:1.1.3-1

Versions of packages gnome-screensaver recommends:
ii  gnome-power-manager   3.8.2-1
ii  libpam-gnome-keyring  3.8.2-2+b1

gnome-screensaver suggests no packages.

-- no debconf information

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