(gdb) bt full
#0  0xb6410ecd in dbus_pending_call_get_completed ()
   from /usr/lib/libdbus-1.so.3
No symbol table info available.
#1  0xb6403d3f in dbus_connection_flush () from /usr/lib/libdbus-1.so.3
No symbol table info available.
#2  0xb64111fd in dbus_pending_call_block () from /usr/lib/libdbus-1.so.3
No symbol table info available.
#3  0xb6404299 in dbus_connection_send_with_reply_and_block ()
   from /usr/lib/libdbus-1.so.3
No symbol table info available.
#4  0xb2c84ac9 in libhal_find_device_by_capability () from /usr/lib/libhal.so.1
No symbol table info available.
#5  0xb3123d27 in gp_port_library_list ()
   from /usr/lib/libgphoto2_port/0.6.1/disk.so
No symbol table info available.
#6  0xb2e93081 in gp_port_info_list_load () from /usr/lib/libgphoto2_port.so.0
No symbol table info available.
#7  0xb2e98538 in gp_port_result_as_string ()
   from /usr/lib/libgphoto2_port.so.0
No symbol table info available.
#8  0xb2e980b2 in gp_port_result_as_string ()
   from /usr/lib/libgphoto2_port.so.0
No symbol table info available.
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