.
Thread 1 (process 1597):
#0  0xb7517ef1 in memmem (haystack_start=0x1, haystack_len=20, 
    needle_start=0x0, needle_len=0) at memmem.c:67
	needle = <value optimized out>
#1  0xb75fdc3d in usb_destroy_configuration (dev=0x8531000)
    at ../descriptors.c:414
	as = <value optimized out>
	ifp = (struct usb_interface *) 0x8557bd8
	cf = (struct usb_config_descriptor *) 0x854fd60
	c = 0
	i = 1
	j = 0
	k = -1218433036
#2  0xb75fd3a2 in usb_free_dev (dev=0x8531000) at ../usb.c:293
No locals.
#3  0xb75fd820 in usb_find_devices () at ../usb.c:121
	tndev = (struct usb_device *) 0x0
	ndev = (struct usb_device *) 0x8531000
	tdev = (struct usb_device *) 0x85c7b58
	devices = (struct usb_device *) 0x8533070
	dev = <value optimized out>
	bus = <value optimized out>
	ret = <value optimized out>
	changes = 0
#4  0x0805af7d in up_device_csr_init (csr=0x857aaf0) at up-device-csr.c:289
No locals.
#5  0xb76f8dc2 in g_type_module_unuse () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0xb76dbec8 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0xb76dd63a in g_object_newv () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0xb76ddef8 in g_param_spec_get_blurb () 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=0x856b880, 
    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=0x8522140, daemon=0x8527000)
    at up-backend.c:301
	devices = (GList *) 0x8519170
	l = (GList *) 0x8519130
	subsystems = {0x806143c "power_supply", 0x806144d "usb", 
  0x8061449 "tty", 0x8061451 "input", 0x0}
	__FUNCTION__ = "up_backend_coldplug"
#12 0x0804dac9 in up_daemon_startup (daemon=0x8527000) 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=0xbfce1274) at up-main.c:187
	error = (GError *) 0x0
	daemon = (UpDaemon *) 0x8527000
	qos = (UpQos *) 0x851e430
	wakeups = (UpWakeups *) 0x851c0f0
	context = <value optimized out>
	bus_proxy = <value optimized out>
	bus = <value optimized out>
	ret = <value optimized out>
	retval = -1077014028
	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 = 0xbfce11a8, 
    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 = 0xbfce11a4, 
    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"