StacktraceTop: gdk_window_has_impl (window=0x0) at /build/buildd/gtk+3.0-3.1.18/./gdk/gdkwindow.c:650 _gdk_window_has_impl (window=0x0) at /build/buildd/gtk+3.0-3.1.18/./gdk/gdkwindow.c:651 gdk_x11_window_get_xid (window=0x0) at /build/buildd/gtk+3.0-3.1.18/./gdk/x11/gdkwindow-x11.c:4753 present_gdk_window_with_timestamp (timestamp=20631658, widget=0xd882d0) at /build/buildd/overlay-scrollbar-0.2.10/./os/os-scrollbar.c:1246 thumb_button_press_event_cb (user_data=<optimized out>, event=0xc85140, widget=<optimized out>) at /build/buildd/overlay-scrollbar-0.2.10/./os/os-scrollbar.c:1269
StacktraceTop: has_impl (window=0x0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gdk/gdkwindow .c:650 has_impl (window=0x0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gdk/gdkwindow .c:651 window_ get_xid (window=0x0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gdk/x11/ gdkwindow- x11.c:4753 gdk_window_ with_timestamp (timestamp= 20631658, widget=0xd882d0) at /build/ buildd/ overlay- scrollbar- 0.2.10/ ./os/os- scrollbar. c:1246 button_ press_event_ cb (user_data= <optimized out>, event=0xc85140, widget=<optimized out>) at /build/ buildd/ overlay- scrollbar- 0.2.10/ ./os/os- scrollbar. c:1269
gdk_window_
_gdk_window_
gdk_x11_
present_
thumb_