#0  0xb74dffcc in g_logv () from /usr/lib/libglib-2.0.so.0
#1  0xb74e0249 in g_log () from /usr/lib/libglib-2.0.so.0
#2  0xb74e04ab in g_return_if_fail_warning () from /usr/lib/libglib-2.0.so.0
#3  0xb755f92a in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#4  0xb74d4871 in g_list_foreach () from /usr/lib/libglib-2.0.so.0
#5  0xb09087e4 in ?? () from /usr/lib/gio/modules/libgiohal-volume-monitor.so
#6  0x094ae800 in ?? ()
#7  0xb755f870 in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00000000 in ?? ()