Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f5c493656e0 (LWP 7715)]
GetKeyboardValuatorEvents (events=0xaf2bc0, pDev=0x95d8c0, type=2, key_code=300, first_valuator=0, num_valuators=0, valuators=0x0) at ../../dix/getevents.c:410
410	../../dix/getevents.c: No such file or directory.
	in ../../dix/getevents.c
(gdb) print *pDev
$1 = {public = {devicePrivate = 0x95d7f0, processInputProc = 0x55db30 <ProcessKeyboardEvent>, realInputProc = 0x55db30 <ProcessKeyboardEvent>, enqueueInputProc = 0x455f40 <EnqueueEvent>, on = 1}, next = 0xb45020, grabTime = {months = 0, milliseconds = 33649}, startup = 1, deviceProc = 0x7f5c30eecab0 <EvdevProc>, inited = 1, enabled = 1, coreEvents = 4, grab = 0x0, sync = {frozen = 0, state = 0, other = 0x0, event = 0x0, evcount = 0}, type = 115, name = 0x95daa0 "Logitech Logitech RumblePad 2 USB", id = 5 '\005', activatingKey = 0 '\0', fromPassiveGrab = 0, activeGrab = {next = 0x0, resource = 0, device = 0x0, window = 0x0, ownerEvents = 0, keyboardMode = 0, pointerMode = 0, coreGrab = 0, coreMods = 0, type = 0 '\0', modifiersDetail = {exact = 0, pMask = 0x0}, modifierDevice = 0x0, detail = {exact = 0, pMask = 0x0}, confineTo = 0x0, cursor = 0x0, eventMask = 0}, ActivateGrab = 0x4599d0 <ActivateKeyboardGrab>, DeactivateGrab = 0x4598e0 <DeactivateKeyboardGrab>, key = 0x0, valuator = 0x95db60, button = 0xb42d90, focus = 0x0, proximity = 0x0, absolute = 0x0, kbdfeed = 0x0, ptrfeed = 0x95db10, intfeed = 0x0, stringfeed = 0x0, bell = 0x0, leds = 0x0, xkb_interest = 0x0, config_info = 0xaf6e90 "hal:/org/freedesktop/Hal/devices/usb_device_46d_c218_noserial_if0_logicaldev_input", devPrivates = 0x95daf0, nPrivates = 0, unwrapProc = 0x55b700 <xkbUnwrapProc>, properties = {properties = 0xb43c90, handlers = 0x95dbf0}}
(gdb) bt f
#0  GetKeyboardValuatorEvents (events=0xaf2bc0, pDev=0x95d8c0, type=2, key_code=300, first_valuator=0, num_valuators=0, valuators=0x0) at ../../dix/getevents.c:410
	numEvents = <value optimized out>
	ms = <value optimized out>
	map = <value optimized out>
	sym = <value optimized out>
#1  0x000000000045dde7 in GetKeyboardEvents (events=0xaf2bc0, pDev=0x95d8c0, type=2, key_code=300) at ../../dix/getevents.c:383
No locals.
#2  0x00000000004979e2 in xf86PostKeyboardEvent (device=0x95d8c0, key_code=300, is_down=1) at ../../../../hw/xfree86/common/xf86Xinput.c:751
	nevents = <value optimized out>
	i = <value optimized out>
#3  0x00007f5c30eeb619 in EvdevReadInput (pInfo=0x95d7f0) at ../../src/evdev.c:174
	ev = {time = {tv_sec = 1224064350, tv_usec = 616214}, type = 1, code = 292, value = 1}
	value = 1
	dx = 0
	dy = 0
	abs = 1
	button = <value optimized out>
	pEvdev = (EvdevPtr) 0xb42280
#4  0x00000000004810e5 in xf86SigioReadInput (fd=<value optimized out>, closure=0x95d7f0) at ../../../../hw/xfree86/common/xf86Events.c:517
	errno_save = 11
	sigstate = 1
#5  0x0000000000471c17 in xf86SIGIO (sig=<value optimized out>) at ../../../../../hw/xfree86/os-support/linux/../shared/sigio.c:114
	i = 4
	ready = {fds_bits = {65536, 0 <repeats 15 times>}}
	to = {tv_sec = 0, tv_usec = 0}
	save_errno = 11
	r = 1
#6  <signal handler called>
No symbol table info available.
#7  0x00007f5c471b9433 in __select_nocancel () from /lib/libc.so.6
No symbol table info available.
#8  0x00000000004eae3b in WaitForSomething (pClientsReady=0xaec850) at ../../os/WaitFor.c:236
	i = 11847808
	waittime = {tv_sec = 0, tv_usec = 36000}
	wt = (struct timeval *) 0x7fff5138c640
	timeout = <value optimized out>
	clientsReadable = {fds_bits = {0 <repeats 16 times>}}
	clientsWritable = {fds_bits = {779, 18367456, 17836000, 740, 18, 36, 779, 140033999069870, 5914307405742820, 140033999031442, 18367456, 140034272010151, 5914307405742820, 0, 9461456, 140034283235046}}
	curclient = <value optimized out>
	selecterr = 0
	nready = <value optimized out>
	devicesReadable = {fds_bits = {18410480, 140033999073375, 11986512, 140033999060807, 273599174920896512, 140734556063024, 140734556063104, 844424930131969, 0, 0, 11986512, 11855568, 5497575883520, 6120541453011386368, 5914307405742820, 36}}
	now = 11847808
	someReady = 0
#9  0x000000000044d3ff in Dispatch () at ../../dix/dispatch.c:375
	result = 0
	client = (ClientPtr) 0xb4c880
	nready = -1
	start_tick = 5300
#10 0x00000000004336fd in main (argc=10, argv=0x7fff5138c828, envp=<value optimized out>) at ../../dix/main.c:441
	i = 1
	error = 0
	xauthfile = <value optimized out>
	alwaysCheckForInput = {0, 1}
(gdb) print pDev->key
$2 = (KeyClassPtr) 0x0
(gdb) print *pDev->key
Cannot access memory at address 0x0
(gdb)