.
Thread 1 (process 2304):
#0  *__GI___libc_free (mem=0xb8) at malloc.c:3709
	ar_ptr = <value optimized out>
	p = (mchunkptr) 0xb0
#1  0x00a94c3d in usb_destroy_configuration (dev=0x9ec1038)
    at ../descriptors.c:414
	as = <value optimized out>
	ifp = (struct usb_interface *) 0x9ebed78
	cf = (struct usb_config_descriptor *) 0x9eb91b8
	c = 0
	i = 1
	j = 0
	k = 1
#2  0x00a943a2 in usb_free_dev (dev=0x9ec1038) at ../usb.c:293
No locals.
#3  0x00a94820 in usb_find_devices () at ../usb.c:121
	tndev = (struct usb_device *) 0x0
	ndev = (struct usb_device *) 0x9ec1038
	tdev = (struct usb_device *) 0x9ed6b08
	devices = (struct usb_device *) 0x9ec2070
	dev = <value optimized out>
	bus = <value optimized out>
	ret = <value optimized out>
	changes = 0
#4  0x0805af7d in up_device_csr_init (csr=0x9ebf120) at up-device-csr.c:289
No locals.
#5  0x00b739c2 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00b57a18 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00b5918a in g_object_newv () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x00b59a48 in g_object_new () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#9  0x0805a557 in up_device_csr_new () at up-device-csr.c:338
No locals.
#10 0x08057880 in up_backend_device_add (backend=0x9eb8b80, 
    native=<value optimized out>) at up-backend.c:111
	object = <value optimized out>
	device = <value optimized out>
	ret = <value optimized out>
	__FUNCTION__ = "up_backend_device_add"
#11 0x08057b41 in up_backend_coldplug (backend=0x9eab140, daemon=0x9eb0000)
    at up-backend.c:301
	devices = (GList *) 0x9ea2250
	l = (GList *) 0x9ea2160
	subsystems = {0x806143c "power_supply", 0x806144d "usb", 
  0x8061449 "tty", 0x8061451 "input", 0x0}
	__FUNCTION__ = "up_backend_coldplug"
#12 0x0804dac9 in up_daemon_startup (daemon=0x9eb0000) at up-daemon.c:823
	ret = <value optimized out>
	on_battery = <value optimized out>
	on_low_battery = <value optimized out>
	__FUNCTION__ = "up_daemon_startup"
#13 0x0805711e in main (argc=1, argv=0xbf92aee4) at up-main.c:187
	error = (GError *) 0x0
	daemon = (UpDaemon *) 0x9eb0000
	qos = (UpQos *) 0x9ea7430
	wakeups = (UpWakeups *) 0x9ea50f0
	context = <value optimized out>
	bus_proxy = <value optimized out>
	bus = <value optimized out>
	ret = <value optimized out>
	retval = -1080906140
	timed_exit = 0
	immediate_exit = 0
	options = {{long_name = 0x80610c3 "timed-exit", short_name = 0 '\0', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbf92ae18, 
    description = 0x80610aa "Exit after a small delay", 
    arg_description = 0x0}, {long_name = 0x80610ce "immediate-exit", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbf92ae14, 
    description = 0x8061158 "Exit after the engine has loaded", 
    arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, 
    arg_description = 0x0}}
	__FUNCTION__ = "main"