#0  0x00007f5648a39369 in g_logv (log_domain=0x7f5649744d46 "Gdk", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7fff186ce9e8) at /build/buildd/glib2.0-2.37.6/./glib/gmessages.c:989
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmessages.c was not found in source tree]
#1  0x00007f5648a394b2 in g_log (log_domain=log_domain@entry=0x7f5649744d46 "Gdk", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7f5649750ac8 "%s") at /build/buildd/glib2.0-2.37.6/./glib/gmessages.c:1025
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmessages.c was not found in source tree]
#2  0x00007f5649723970 in _gdk_x11_display_error_event (display=display@entry=0xffe030, error=error@entry=0x7fff186ceb80) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdisplay-x11.c:2556
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdisplay-x11.c was not found in source tree]
#3  0x00007f564972e321 in gdk_x_error (xdisplay=0xff2480, error=0x7fff186ceb80) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkmain-x11.c:303
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkmain-x11.c was not found in source tree]
#4  0x00007f564a2cab9b in _XError (dpy=dpy@entry=0xff2480, rep=rep@entry=0x1008dd0) at ../../src/XlibInt.c:1581
  [Error: ../../src/XlibInt.c was not found in source tree]
#5  0x00007f564a2c7c07 in handle_error (dpy=0xff2480, err=0x1008dd0, in_XReply=<optimized out>) at ../../src/xcb_io.c:213
  [Error: ../../src/xcb_io.c was not found in source tree]
#6  0x00007f564a2c7cb5 in handle_response (dpy=dpy@entry=0xff2480, response=0x1008dd0, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:325
  [Error: ../../src/xcb_io.c was not found in source tree]
#7  0x00007f564a2c8bb0 in _XReply (dpy=dpy@entry=0xff2480, rep=rep@entry=0x7fff186ced60, extra=extra@entry=0, discard=discard@entry=0) at ../../src/xcb_io.c:627
  [Error: ../../src/xcb_io.c was not found in source tree]
#8  0x00007f5646917c82 in XIQueryDevice (dpy=dpy@entry=0xff2480, deviceid=6, ndevices_return=ndevices_return@entry=0x7fff186cee28) at ../../src/XIQueryDevice.c:60
  [Error: ../../src/XIQueryDevice.c was not found in source tree]
#9  0x00007f56497212dc in handle_hierarchy_changed (ev=0x12ef870, ev=0x12ef870, device_manager=0xfdead0) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdevicemanager-xi2.c:691
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdevicemanager-xi2.c was not found in source tree]
#10 gdk_x11_device_manager_xi2_translate_event (translator=0xfdead0, display=<optimized out>, event=0x10309f0, xevent=0x7fff186ceec0) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdevicemanager-xi2.c:1147
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkdevicemanager-xi2.c was not found in source tree]
#11 0x00007f564972b842 in _gdk_x11_event_translator_translate (translator=0xfdead0, display=0xffe030, xevent=xevent@entry=0x7fff186ceec0) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventtranslator.c:51
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventtranslator.c was not found in source tree]
#12 0x00007f564972b3cd in gdk_event_source_translate_event (xevent=0x7fff186ceec0, event_source=0x1000bc0) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c:240
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c was not found in source tree]
#13 _gdk_x11_display_queue_events (display=0xffe030) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c:338
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c was not found in source tree]
#14 0x00007f56496fff78 in gdk_display_get_event (display=display@entry=0xffe030) at /build/buildd/gtk+3.0-3.8.2/./gdk/gdkdisplay.c:313
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/gdkdisplay.c was not found in source tree]
#15 0x00007f564972afe2 in gdk_event_source_dispatch (source=source@entry=0x1000bc0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c:360
  [Error: /build/buildd/gtk+3.0-3.8.2/./gdk/x11/gdkeventsource.c was not found in source tree]
#16 0x00007f5648a322d6 in g_main_dispatch (context=0xfecf00) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3065
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmain.c was not found in source tree]
#17 g_main_context_dispatch (context=context@entry=0xfecf00) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmain.c was not found in source tree]
#18 0x00007f5648a32628 in g_main_context_iterate (context=0xfecf00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmain.c was not found in source tree]
#19 0x00007f5648a32a2a in g_main_loop_run (loop=0x1024c70) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3906
  [Error: /build/buildd/glib2.0-2.37.6/./glib/gmain.c was not found in source tree]
#20 0x0000000000412cde in main ()