. Thread 4 (LWP 1712): #0 0x00007fc5de35f83d in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007fc5de89633c in g_main_context_iterate.isra () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fc5de8966c2 in g_main_loop_run () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fc5dee94816 in gdbus_shared_thread_func () from /tmp/apport_sandbox_8UteiF/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007fc5de8bcb95 in g_thread_proxy () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fc5d58a4754 in ?? () from /tmp/apport_sandbox_8UteiF/usr/lib/nvidia-304/libGL.so.1 No symbol table info available. #6 0x00007fc5de63566a in start_thread (arg=0x7fc5d1b8f700) at pthread_create.c:333 __res = pd = 0x7fc5d1b8f700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140487603844864, -3624415120352506381, 0, 140487625270815, 140487603845568, 7130912, 3618887317480377843, 3618854918729731571}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fc5de36ae4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 No locals. . Thread 3 (LWP 1711): #0 0x00007fc5de35f83d in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007fc5de89633c in g_main_context_iterate.isra () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fc5de89644c in g_main_context_iteration () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fc5de896489 in glib_worker_main () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007fc5de8bcb95 in g_thread_proxy () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fc5d58a4754 in ?? () from /tmp/apport_sandbox_8UteiF/usr/lib/nvidia-304/libGL.so.1 No symbol table info available. #6 0x00007fc5de63566a in start_thread (arg=0x7fc5d2390700) at pthread_create.c:333 __res = pd = 0x7fc5d2390700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140487612237568, -3624415120352506381, 0, 140487625270463, 140487612238272, 7130832, 3618881819385368051, 3618854918729731571}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fc5de36ae4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 No locals. . Thread 2 (LWP 1710): #0 0x00007fc5de35f83d in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007fc5de89633c in g_main_context_iterate.isra () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fc5de89644c in g_main_context_iteration () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fc5d300728d in ?? () from /tmp/apport_sandbox_8UteiF/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007fc5de8bcb95 in g_thread_proxy () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fc5d58a4754 in ?? () from /tmp/apport_sandbox_8UteiF/usr/lib/nvidia-304/libGL.so.1 No symbol table info available. #6 0x00007fc5de63566a in start_thread (arg=0x7fc5d2fff700) at pthread_create.c:333 __res = pd = 0x7fc5d2fff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140487625275136, -3624415120352506381, 0, 140724197145951, 140487625275840, 7129408, 3618880179244731891, 3618854918729731571}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fc5de36ae4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 No locals. . Thread 1 (LWP 1707): #0 0x00007fc5ad919809 in _cogl_renderer_handle_native_event () from /tmp/apport_sandbox_8UteiF/usr/lib/x86_64-linux-gnu/libcogl.so.20 No symbol table info available. #1 0x00007fc5adbe4f80 in cogl_gdk_filter () from /tmp/apport_sandbox_8UteiF/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0 No symbol table info available. #2 0x00007fc5df600761 in gdk_event_apply_filters (xevent=xevent@entry=0x7ffce7c84d00, event=event@entry=0xaf3170, window=window@entry=0x0) at /build/gtk+3.0-vke6KI/gtk+3.0-3.18.6/./gdk/x11/gdkeventsource.c:81 filter = 0x679c10 node = tmp_list = 0x7e1520 result = #3 0x00007fc5df600a20 in gdk_event_source_translate_event (xevent=0x7ffce7c84d00, event_source=0x6d4df0) at /build/gtk+3.0-vke6KI/gtk+3.0-3.18.6/./gdk/x11/gdkeventsource.c:195 dpy = 0x680ed0 event = 0xaf3170 result = GDK_FILTER_CONTINUE event_translator = #4 _gdk_x11_display_queue_events (display=0x68d020) at /build/gtk+3.0-vke6KI/gtk+3.0-3.18.6/./gdk/x11/gdkeventsource.c:338 xevent = {type = 28, xany = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129}, xkey = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, root = 34, subwindow = 68044, time = 0, x = 0, y = 0, x_root = 0, y_root = 0, state = 0, keycode = 0, same_screen = 0}, xbutton = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, root = 34, subwindow = 68044, time = 0, x = 0, y = 0, x_root = 0, y_root = 0, state = 0, button = 0, same_screen = 0}, xmotion = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, root = 34, subwindow = 68044, time = 0, x = 0, y = 0, x_root = 0, y_root = 0, state = 0, is_hint = 0 '\000', same_screen = 0}, xcrossing = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, root = 34, subwindow = 68044, time = 0, x = 0, y = 0, x_root = 0, y_root = 0, mode = 0, detail = 0, same_screen = 0, focus = 0, state = 0}, xfocus = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, mode = 34, detail = 0}, xexpose = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, x = 34, y = 0, width = 68044, height = 0, count = 0}, xgraphicsexpose = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, drawable = 29360129, x = 34, y = 0, width = 68044, height = 0, count = 0, major_code = 0, minor_code = 0}, xnoexpose = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, drawable = 29360129, major_code = 34, minor_code = 0}, xvisibility = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, state = 34}, xcreatewindow = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, parent = 29360129, window = 34, x = 68044, y = 0, width = 0, height = 0, border_width = 0, override_redirect = 0}, xdestroywindow = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34}, xunmap = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, from_configure = 68044}, xmap = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, override_redirect = 68044}, xmaprequest = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, parent = 29360129, window = 34}, xreparent = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, parent = 68044, x = 0, y = 0, override_redirect = 0}, xconfigure = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, x = 68044, y = 0, width = 0, height = 0, border_width = 0, above = 0, override_redirect = 0}, xgravity = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, x = 68044, y = 0}, xresizerequest = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, width = 34, height = 0}, xconfigurerequest = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, parent = 29360129, window = 34, x = 68044, y = 0, width = 0, height = 0, border_width = 0, above = 0, detail = 0, value_mask = 0}, xcirculate = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, event = 29360129, window = 34, place = 68044}, xcirculaterequest = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, parent = 29360129, window = 34, place = 68044}, xproperty = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, atom = 34, time = 68044, state = 0}, xselectionclear = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, selection = 34, time = 68044}, xselectionrequest = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, owner = 29360129, requestor = 34, selection = 68044, target = 0, property = 0, time = 0}, xselection = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, requestor = 29360129, selection = 34, target = 68044, property = 0, time = 0}, xcolormap = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, colormap = 34, new = 68044, state = 0}, xclient = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, message_type = 34, format = 68044, data = {b = '\000' , s = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, l = {0, 0, 0, 0, 0}}}, xmapping = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, request = 34, first_keycode = 0, count = 68044}, xerror = {type = 28, display = 0x84, resourceid = 0, serial = 6819536, error_code = 1 '\001', request_code = 0 '\000', minor_code = 192 '\300'}, xkeymap = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, window = 29360129, key_vector = "\"\000\000\000\000\000\000\000\314\t\001", '\000' }, xgeneric = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, extension = 29360129, evtype = 0}, xcookie = {type = 28, serial = 132, send_event = 0, display = 0x680ed0, extension = 29360129, evtype = 0, cookie = 34, data = 0x109cc}, pad = {140484085284892, 132, 0, 6819536, 29360129, 34, 68044, 0 }} xdisplay = 0x680ed0 event_source = 0x6d4df0 display_x11 = 0x68d020 #5 0x00007fc5df5d2da9 in gdk_display_get_event (display=display@entry=0x68d020) at /build/gtk+3.0-vke6KI/gtk+3.0-3.18.6/./gdk/gdkdisplay.c:340 __func__ = "gdk_display_get_event" #6 0x00007fc5df6007e2 in gdk_event_source_dispatch (source=, callback=, user_data=) at /build/gtk+3.0-vke6KI/gtk+3.0-3.18.6/./gdk/x11/gdkeventsource.c:360 display = 0x68d020 event = #7 0x00007fc5de896147 in g_main_context_dispatch () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007fc5de8963a0 in g_main_context_iterate.isra () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007fc5de89644c in g_main_context_iteration () from /tmp/apport_sandbox_8UteiF/lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007fc5dee5dbed in g_application_run () from /tmp/apport_sandbox_8UteiF/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #11 0x00000000004075b6 in main (argc=2, argv=0x7ffce7c850b8) at control-center.c:343 shell = application = 0x6d7490 status =