# gdb --batch Xorg --core /tmp/corefiles/core-8879-0-0-6-1213257983-chianamo-Xorg -ex 'bt full' --nw

warning: Can't read pathname for load map: Input/output error.
Core was generated by `/usr/bin/X :0 -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7'.
Program terminated with signal 6, Aborted.
[New process 8879]
#0  0xb7f6c424 in __kernel_vsyscall ()
#0  0xb7f6c424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7cf55e0 in raise () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7cf6fb8 in abort () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#3  0x081bbbab in FatalError (f=0xb7b21c7c "lockup\n") at ../../os/log.c:554
	args = 0xbfd87b34 "t?\001"
	beenhere = 1
#4  0xb7aed6bc in I830WaitLpRing (pScrn=0x9b20d18, n=131064, timeout_millis=0) at ../../src/i830_accel.c:150
	pI830 = (I830Ptr) 0x9b22710
	ring = (I830RingBuffer *) 0x8205620
	iters = 1008004
	start = 274968571
	last_head = 101420
#5  0xb7aedabc in I830Sync (pScrn=0x9b20d18) at ../../src/i830_accel.c:204
	pI830 = (I830Ptr) 0x9b22710
	flags = <value optimized out>
	__FUNCTION__ = "I830Sync"
#6  0xb7afa300 in i830_stop_ring (pScrn=0x9b20d18, flush=<value optimized out>) at ../../src/i830_driver.c:1822
	temp = <value optimized out>
#7  0xb7afa467 in I830LeaveVT (scrnIndex=0, flags=0) at ../../src/i830_driver.c:3213
	pScrn = (ScrnInfoPtr) 0x9b20d18
	pI830 = (I830Ptr) 0x9b22710
	o = 2
#8  0x080d86bd in xf86XVLeaveVT (index=0, flags=0) at ../../../../hw/xfree86/common/xf86xv.c:1278
	pxvs = (XvScreenPtr) 0x9b5fe48
	pAdaptor = (XvAdaptorPtr) 0x9b603ec
	pPriv = (XvPortRecPrivatePtr) 0x9b615d8
	i = 2
	j = 1
#9  0xb7bacaef in glxDRILeaveVT (index=0, flags=0) at ../../../GL/glx/glxdri.c:1004
No locals.
#10 0x080a8b7d in AbortDDX () at ../../../../hw/xfree86/common/xf86Init.c:1112
	i = 1
#11 0x081bb618 in AbortServer () at ../../os/log.c:406
No locals.
#12 0x081bbb96 in FatalError (f=0xb7b21c7c "lockup\n") at ../../os/log.c:552
	args = 0xbfd87ca4 "|?\001"
	beenhere = 1
#13 0xb7aed6bc in I830WaitLpRing (pScrn=0x9b20d18, n=131064, timeout_millis=0) at ../../src/i830_accel.c:150
	pI830 = (I830Ptr) 0x9b22710
	ring = (I830RingBuffer *) 0x8205620
	iters = 1101805
	start = 274965136
	last_head = 101420
#14 0xb7aedabc in I830Sync (pScrn=0x9b20d18) at ../../src/i830_accel.c:204
---Type <return> to continue, or q <return> to quit---
	pI830 = (I830Ptr) 0x9b22710
	flags = <value optimized out>
	__FUNCTION__ = "I830Sync"
#15 0xb7b108ca in I830EXASync (pScreen=0x9b4d518, marker=0) at ../../src/i830_exa.c:156
No locals.
#16 0xb79bf762 in exaWaitSync (pScreen=0x22af) at ../../exa/exa.c:806
	pExaScr = (ExaScreenPrivPtr) 0x9b50c58
#17 0xb79c00f2 in exaPrepareAccess (pDrawable=0xb2ea710, index=0) at ../../exa/exa.c:352
	pPixmap = (PixmapPtr) 0xb2ea710
#18 0xb79c8545 in ExaCheckPutImage (pDrawable=0xb2ea710, pGC=0x9b65330, depth=32, x=-1272, y=-40, w=1536, h=64, leftPad=0, format=2, 
    bits=0xa0f24000 "$\023.?$\024.?'\026(?)\031\"?.\035\034?<(\036?L4#?_B(?eF+?iI,?oM/?vR2?}W5?\206]9?\215b;?\225g>?\236m@??qA??tB??yC??zD??|D??~E??\206N??\217X??\233d??s???\202???\223???\226???\226???\226???\226???\226???\226???\226???\226???\226???\230???\232???\235?????????????????????????????"...) at ../../exa/exa_unaccel.c:95
	pPixmap = (PixmapPtr) 0xb2ea710
	xoff = -1214479077
	yoff = 184749320
#19 0xb79c13f9 in exaPutImage (pDrawable=0xb2ea710, pGC=0x9b65330, depth=32, x=-1272, y=-40, w=1536, h=64, leftPad=0, format=2, 
    bits=0xa0f24000 "$\023.?$\024.?'\026(?)\031\"?.\035\034?<(\036?L4#?_B(?eF+?iI,?oM/?vR2?}W5?\206]9?\215b;?\225g>?\236m@??qA??tB??yC??zD??|D??~E??\206N??\217X??\233d??s???\202???\223???\226???\226???\226???\226???\226???\226???\226???\226???\226???\230???\232???\235?????????????????????????????"...) at ../../exa/exa_accel.c:246
	pPix = (PixmapPtr) 0x0
	pixmaps = {{as_dst = 1, as_src = 0, pPix = 0xb2ea710}}
	pClip = <value optimized out>
	pbox = <value optimized out>
	nbox = <value optimized out>
	xoff = <value optimized out>
	yoff = <value optimized out>
	src_stride = <value optimized out>
	bpp = 32
#20 0x0816f961 in damagePutImage (pDrawable=0xb2ea710, pGC=0x9b65330, depth=32, x=-1272, y=-40, w=1536, h=64, leftPad=0, format=2, 
    pImage=0xa0f24000 "$\023.?$\024.?'\026(?)\031\"?.\035\034?<(\036?L4#?_B(?eF+?iI,?oM/?vR2?}W5?\206]9?\215b;?\225g>?\236m@??qA??tB??yC??zD??|D??~E??\206N??\217X??\233d??s???\202???\223???\226???\226???\226???\226???\226???\226???\226???\226???\226???\230???\232???\235?????????????????????????????"...) at ../../../miext/damage/damage.c:790
	pGCPriv = (DamageGCPrivPtr) 0x9b653b8
	oldFuncs = (GCFuncs *) 0x81e0660
#21 0x08142636 in miShmPutImage (dst=0xa8865c8, pGC=0x9feeeb8, depth=32, format=2, w=1536, h=64, sx=-1272, sy=-40, sw=8, sh=20, dx=0, dy=0, 
    data=0xa0f24000 "$\023.?$\024.?'\026(?)\031\"?.\035\034?<(\036?L4#?_B(?eF+?iI,?oM/?vR2?}W5?\206]9?\215b;?\225g>?\236m@??qA??tB??yC??zD??|D??~E??\206N??\217X??\233d??s???\202???\223???\226???\226???\226???\226???\226???\226???\226???\226???\226???\230???\232???\235?????????????????????????????"...) at ../../Xext/shm.c:501
	pmap = (PixmapPtr) 0xb2ea710
	putGC = (GCPtr) 0x9b65330
#22 0x08143794 in ProcShmPutImage (client=0x9ef40d8) at ../../Xext/shm.c:888
	pGC = (GCPtr) 0x9feeeb8
	pDraw = (DrawablePtr) 0xa8865c8
	length = 6144
#23 0x081444b4 in ProcShmDispatch (client=0x9ef40d8) at ../../Xext/shm.c:1143
No locals.
#24 0x0814dbee in XaceCatchExtProc (client=0x9ef40d8) at ../../Xext/xace.c:299
	major = 146
	ext = <value optimized out>
#25 0x0808d19f in Dispatch () at ../../dix/dispatch.c:502
	result = <value optimized out>
	client = (ClientPtr) 0x9ef40d8
	nready = 0
---Type <return> to continue, or q <return> to quit---
	start_tick = 1090040
#26 0x080746bb in main (argc=9, argv=0xbfd88654, envp=Cannot access memory at address 0x22b7
) at ../../dix/main.c:452
	i = 1
	error = 136146820