$ gdb /d/dev/gnome.org/gnome-windows/checkout/gtk+/git/build/tests/testdnd.exe
GNU gdb (GDB) 7.3
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from d:\dev\gnome.org\gnome-windows\checkout\gtk+\git\build\tests\testdnd.exe...done.
(gdb) run
Starting program: d:\dev\gnome.org\gnome-windows\checkout\gtk+\git\build\tests\testdnd.exe
[New Thread 91104.0x15df4]
[New Thread 91104.0x14ff8]
warning: BTMMHOOK 20.09.2011 09:44:59 Thread<15DF4> Hook DLL loaded


Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) thread apply all bt full

Thread 2 (Thread 91104.0x14ff8):
#0  0x7c90e514 in ntdll!LdrAccessResource () from C:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#1  0x7c90df4a in ntdll!ZwWaitForMultipleObjects () from C:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#2  0x7c809590 in KERNEL32!CreateFileMappingA () from C:\WINDOWS\system32\kernel32.dll
No symbol table info available.
#3  0x7e4195f9 in USER32!GetLastInputInfo () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#4  0x7e4196a8 in USER32!MsgWaitForMultipleObjects () from C:\WINDOWS\system32\user32.dll
No symbol table info available.
#5  0x4ec674b2 in gdiplus!GdipGetVisibleClipBoundsI () from C:\WINDOWS\WinSxS\x86_Microsoft.Windows.GdiPlus_6595b64144ccf1df_1.0.6002.22509_x-ww_c7dad023\GdiPlus.dll
No symbol table info available.
#6  0x7c80b729 in KERNEL32!GetModuleFileNameA () from C:\WINDOWS\system32\kernel32.dll
No symbol table info available.
#7  0x00000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 91104.0x15df4):
#0  0x00000000 in ?? ()
No symbol table info available.
#1  0x70ecb089 in gdk_drag_find_window_for_screen (context=0xd60c90, drag_window=0xc79550, screen=0xc77020, x_root=136, y_root=165, dest_window=0x22fd40, protocol=0x22fd3c)
    at d:/dev/gnome.org/gnome-windows/checkout/gtk+/git/src/gdk/gdkdnd.c:278
        __PRETTY_FUNCTION__ = "gdk_drag_find_window_for_screen"
#2  0x666d978b in gtk_drag_update_idle (data=0x1304db0) at d:/dev/gnome.org/gnome-windows/checkout/gtk+/git/src/gtk/gtkdnd.c:4083
        info = 0x1304db0
        dest_window = 0x22fd64
        protocol = 13897336
        selection = 0x0
        action = GDK_ACTION_COPY
        possible_actions = 6
        time = 147733812
#3  0x70ec18ee in gdk_threads_dispatch (data=0xc71b10) at d:/dev/gnome.org/gnome-windows/checkout/gtk+/git/src/gdk/gdk.c:754
        dispatch = 0xc71b10
        ret = 0
#4  0x685f70e3 in g_idle_dispatch (source=0x1307ca0, callback=0x70ec18b5 <gdk_threads_dispatch>, user_data=0xc71b10)
    at d:/dev/gnome.org/gnome-windows/checkout/glib/git/src/glib/gmain.c:4801
No locals.
#5  0x685f40d4 in g_main_dispatch (context=0xcbf318) at d:/dev/gnome.org/gnome-windows/checkout/glib/git/src/glib/gmain.c:2441
        dispatch = 0x685f70a9 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xc71b10
        callback = 0x70ec18b5 <gdk_threads_dispatch>
        cb_funcs = 0x68674ce8
        cb_data = 0x1305630
        need_destroy = 13366264
        current_source_link = {data = 0x1307ca0, next = 0x0}
        source = 0x1307ca0
        current = 0xd40e78
        i = 0
        __PRETTY_FUNCTION__ = "g_main_dispatch"
#6  0x685f50d5 in g_main_context_dispatch (context=0xcbf318) at d:/dev/gnome.org/gnome-windows/checkout/glib/git/src/glib/gmain.c:3011
No locals.
#7  0x685f543e in g_main_context_iterate (context=0xcbf318, block=1, dispatch=1, self=0xa969f0) at d:/dev/gnome.org/gnome-windows/checkout/glib/git/src/glib/gmain.c:3089
        max_priority = 125
        timeout = 0
        some_ready = 1
        nfds = 2
        allocated_nfds = 2
        fds = 0xd17708
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#8  0x685f59f2 in g_main_loop_run (loop=0xd176e0) at d:/dev/gnome.org/gnome-windows/checkout/glib/git/src/glib/gmain.c:3297
        self = 0xa969f0
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#9  0x6652d13a in gtk_main () at d:/dev/gnome.org/gnome-windows/checkout/gtk+/git/src/gtk/gtkmain.c:1362
        loop = 0xd176e0
#10 0x00402043 in main (argc=1, argv=0xa93620) at d:/dev/gnome.org/gnome-windows/checkout/gtk+/git/src/tests/testdnd.c:679
        window = 0xc7d008
        table = 0xce3070
        label = 0xce50b8
        pixmap = 0xc790b8
        button = 0xce5168
        drag_icon = 0xc7e438
(gdb) Quit (expect signal SIGINT when the program is resumed)
