           PID: 7320 (gnome-shell)
           UID: 120 (gdm)
           GID: 120 (gdm)
        Signal: 11 (SEGV)
     Timestamp: on. 2016-06-29 21:05:22 CEST (8min ago)
  Command Line: /usr/bin/gnome-shell
    Executable: /usr/bin/gnome-shell
 Control Group: /user.slice/user-120.slice/session-c4.scope
          Unit: session-c4.scope
         Slice: user-120.slice
       Session: c4
     Owner UID: 120 (gdm)
       Boot ID: 7aee2b8584f248d895fa3fcc417cdd00
    Machine ID: 8c640ac0c7dd455bba25c1c545d18c45
      Hostname: njord
      Coredump: /var/lib/systemd/coredump/core.gnome-shell.120.7aee2b8584f248d895fa3fcc417cdd00.7320.1467227122000000000000.lz4
       Message: Process 7320 (gnome-shell) of user 120 dumped core.
                
                Stack trace of thread 7320:
                #0  0x00007f511e754147 center_pointer (libmutter.so.0)
                #1  0x00007f511e760745 meta_backend_x11_post_init (libmutter.so.0)
                #2  0x00007f511e787c5e meta_init (libmutter.so.0)
                #3  0x0000000000401ee2 main (gnome-shell)
                #4  0x00007f511c833741 __libc_start_main (libc.so.6)
                #5  0x00000000004022c9 n/a (gnome-shell)
                
                Stack trace of thread 7325:
                #0  0x00007f511c8f6269 syscall (libc.so.6)
                #1  0x00007f511ce5f2aa g_cond_wait_until (libglib-2.0.so.0)
                #2  0x00007f511cdefa19 n/a (libglib-2.0.so.0)
                #3  0x00007f511ce41c86 n/a (libglib-2.0.so.0)
                #4  0x00007f511ce412b5 n/a (libglib-2.0.so.0)
                #5  0x00007f511cbbb484 start_thread (libpthread.so.0)
                #6  0x00007f511c8fa6dd __clone (libc.so.6)
                
                Stack trace of thread 7321:
                #0  0x00007f511c8f16cd poll (libc.so.6)
                #1  0x00007f511ce1afd6 n/a (libglib-2.0.so.0)
                #2  0x00007f511ce1b0ec g_main_context_iteration (libglib-2.0.so.0)
                #3  0x00007f511ce1b131 n/a (libglib-2.0.so.0)
                #4  0x00007f511ce412b5 n/a (libglib-2.0.so.0)
                #5  0x00007f511cbbb484 start_thread (libpthread.so.0)
                #6  0x00007f511c8fa6dd __clone (libc.so.6)
                
                Stack trace of thread 7324:
                #0  0x00007f511c8f16cd poll (libc.so.6)
                #1  0x00007f511ce1afd6 n/a (libglib-2.0.so.0)
                #2  0x00007f511ce1b362 g_main_loop_run (libglib-2.0.so.0)
                #3  0x00007f511d623726 n/a (libgio-2.0.so.0)
                #4  0x00007f511ce412b5 n/a (libglib-2.0.so.0)
                #5  0x00007f511cbbb484 start_thread (libpthread.so.0)
                #6  0x00007f511c8fa6dd __clone (libc.so.6)
                
                Stack trace of thread 7326:
                #0  0x00007f511c8f16cd poll (libc.so.6)
                #1  0x00007f511ce1afd6 n/a (libglib-2.0.so.0)
                #2  0x00007f511ce1b0ec g_main_context_iteration (libglib-2.0.so.0)
                #3  0x00007f51026d043d n/a (libdconfsettings.so)
                #4  0x00007f511ce412b5 n/a (libglib-2.0.so.0)
                #5  0x00007f511cbbb484 start_thread (libpthread.so.0)
                #6  0x00007f511c8fa6dd __clone (libc.so.6)
