.
Thread 2 (process 3480):
#0  0x00efb416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0080ee96 in *__GI___poll (fds=0x21667190, nfds=3, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	oldtype = -516
	result = <value optimized out>
#2  0xffffffff in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (process 1381):
#0  0x00c64253 in xfdesktop_icon_get_extents (icon=0xafd, pixbuf_extents=0x0, 
    text_extents=0x0, total_extents=0xbfaccde0)
    at /usr/include/glib-2.0/glib/gthread.h:347
	__inst = (GTypeInstance *) 0xafd
	__t = 558853120
	__r = <value optimized out>
	_g_boolean_var_ = <value optimized out>
	__PRETTY_FUNCTION__ = "xfdesktop_icon_get_extents"
#1  0x00c67148 in xfdesktop_icon_view_invalidate_icon (icon_view=0x214a91b8, 
    icon=0xafd, recalc_extents=0) at xfdesktop-icon-view.c:2553
	extents = {x = 561260096, y = 558535096, width = -1079194104, 
  height = 17065633}
	invalidated_something = Unhandled dwarf expression opcode 0x9f