Comment 2 for bug 743109

StacktraceTop:
 g_volume_eject_with_operation_finish (volume=<value optimized out>, result=0x7f4c0c003120, error=0x0) at /build/buildd/glib2.0-2.28.4/./gio/gvolume.c:519
 eject_wrapper_callback (source_object=<value optimized out>, res=<value optimized out>, user_data=0x25a9350) at gproxyvolume.c:585
 eject_cb (reply=<value optimized out>, error=<value optimized out>, data=0x30c1d70) at gproxydrive.c:565
 handle_async_reply (pending=<value optimized out>, data=<value optimized out>) at gvfsdbusutils.c:1222
 ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3