(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
DRICloseScreen (pScreen=0x8e881f0) at ../../../../hw/xfree86/dri/dri.c:644
644	../../../../hw/xfree86/dri/dri.c: No such file or directory.
	in ../../../../hw/xfree86/dri/dri.c
#0  DRICloseScreen (pScreen=0x8e881f0) at ../../../../hw/xfree86/dri/dri.c:644
	pDRIPriv = (DRIScreenPrivPtr) 0x8e9daac
	pDRIInfo = (DRIInfoPtr) 0x69766544
	reserved = <value optimized out>
	reserved_count = <value optimized out>
	pScrn = <value optimized out>
	pDRIEntPriv = (DRIEntPrivPtr) 0x8e88598
	closeMaster = <value optimized out>
#1  0xb7a8724c in I830WaitLpRing (pScrn=0x8e599f8, n=131064, timeout_millis=0)
    at ../../src/i830_accel.c:141
	pI830 = (I830Ptr) 0x8e5bc50
	ring = <value optimized out>
	iters = 838361
	start = 266853
	now = <value optimized out>
	last_head = 106124
#2  0xb7a87683 in I830Sync (pScrn=0x8e599f8) at ../../src/i830.h:877
	pI830 = (I830Ptr) 0x8e5bc50
	flags = <value optimized out>
	__FUNCTION__ = "I830Sync"
#3  0xb7aa023b in I830StopVideo (pScrn=0x8e599f8, data=0x8e95664, shutdown=1)
    at ../../src/i830_video.c:1071
No locals.
#4  0x080d62f5 in xf86XVLeaveVT (index=0, flags=0)
    at ../../../../hw/xfree86/common/xf86xv.c:1252
	pxvs = (XvScreenPtr) 0x8e96b88
	pAdaptor = (XvAdaptorPtr) 0x8e96d80
	pPriv = (XvPortRecPrivatePtr) 0x8e971d8
	i = 0
	j = 0
#5  0xb7b4ed69 in glxDRILeaveVT (index=0, flags=0) at ../../glx/glxdri.c:866
No locals.
#6  0x080a8619 in AbortDDX () at ../../../../hw/xfree86/common/xf86Init.c:1300
	i = 1
#7  0x0813bc58 in AbortServer () at ../../os/log.c:406
No locals.
#8  0x0813c263 in FatalError (f=0xb7ac1f1c "lockup\n") at ../../os/log.c:552
	beenhere = 1
#9  0xb7a87271 in I830WaitLpRing (pScrn=0x8e599f8, n=131064, timeout_millis=0)
    at ../../src/i830_accel.c:150
	pI830 = (I830Ptr) 0x8e5bc50
	ring = (I830RingBuffer *) 0x81fe220
	iters = 1194449
	start = 264837
	now = <value optimized out>
	last_head = 106124
#10 0xb7a87683 in I830Sync (pScrn=0x8e599f8) at ../../src/i830.h:877
	pI830 = (I830Ptr) 0x8e5bc50
	flags = <value optimized out>
	__FUNCTION__ = "I830Sync"
#11 0xb7aa023b in I830StopVideo (pScrn=0x8e599f8, data=0x8e95664, shutdown=1)
    at ../../src/i830_video.c:1071
No locals.
#12 0x080d62f5 in xf86XVLeaveVT (index=0, flags=0)
    at ../../../../hw/xfree86/common/xf86xv.c:1252
	pxvs = (XvScreenPtr) 0x8e96b88
	pAdaptor = (XvAdaptorPtr) 0x8e96d80
	pPriv = (XvPortRecPrivatePtr) 0x8e971d8
	i = 0
	j = 0
#13 0xb7b4ed69 in glxDRILeaveVT (index=0, flags=0) at ../../glx/glxdri.c:866
No locals.
#14 0x080c35ff in xf86Wakeup (blockData=0x0, err=8, pReadmask=0x81fe540)
    at ../../../../hw/xfree86/common/xf86Events.c:889
	devicesWithInput = {fds_bits = {0 <repeats 32 times>}}
	pInfo = <value optimized out>
#15 0x080900e2 in WakeupHandler (result=8, pReadmask=0x81fe540)
    at ../../dix/dixutils.c:417
	i = 0
#16 0x0812d9db in WaitForSomething (pClientsReady=0x8fc4a00)
    at ../../os/WaitFor.c:239
	i = 8
	waittime = {tv_sec = 0, tv_usec = 0}
	wt = (struct timeval *) 0xbfa527d0
	timeout = <value optimized out>
	clientsReadable = {fds_bits = {0 <repeats 32 times>}}
	clientsWritable = {fds_bits = {1, -1079695500, -1211202372, 1, 
    -1079695500, 43, 1, 136138740, 163880072, 224, -1079695592, 135497838, 43, 
    -1079695500, 1, 0, 36, 136138740, -1079695560, 135493807, 163880072, 
    -1079695500, 1, 161763712, 0, 0, -1079695464, 135472994, 163880072, 
    -1079695500, 1, 136295572}}
	curclient = <value optimized out>
	selecterr = 0
	nready = <value optimized out>
	devicesReadable = {fds_bits = {31457640, 0, 66816, 136138740, 1, 36, 
    -1079695528, 135898435, 136260808, 150704200, 1, 135932227, 150704200, 
    150704200, 136260336, 150704512, 150704200, 136260808, 16745216, 
    150716888, 0, 605900788, 150721160, 36, 64, 162153216, 149516712, 
    161763712, 0, 0, 264721, -1079695624}}
	now = 264721
	someReady = 0
#17 0x0808c09e in Dispatch () at ../../dix/dispatch.c:375
	result = 0
	client = <value optimized out>
	nready = -1
	start_tick = 8300
#18 0x080719ad in main (argc=10, argv=0xbfa52934, envp=0xb804b050)
    at ../../dix/main.c:441
	i = <value optimized out>
	error = 136138740
	xauthfile = <value optimized out>
	alwaysCheckForInput = {0, 1}