Program received signal SIGABRT, Aborted.
0xffffe430 in __kernel_vsyscall ()
(gdb) bt f
#0  0xffffe430 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7af7990 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0xb7af92c8 in abort () from /lib/libc.so.6
No symbol table info available.
#3  0xb7b336c5 in ?? () from /lib/libc.so.6
No symbol table info available.
#4  0xb7b39654 in ?? () from /lib/libc.so.6
No symbol table info available.
#5  0xb7b3df30 in realloc () from /lib/libc.so.6
No symbol table info available.
#6  0x081397f2 in Xrealloc (ptr=0x6, amount=0) at utils.c:1133
No locals.
#7  0x080727a3 in dixAllocatePrivate (privates=0xbf188e8, key=0x821a1e8)
    at privates.c:129
	item = (PrivateDescRec *) 0x8211480
	calldata = {key = 0x901ca38, value = 0xbfeee978}
	ptr = <value optimized out>
	value = <value optimized out>
	oldsize = 0
	newsize = 48
#8  0x080728c4 in dixLookupPrivateAddr (privates=0xbf188e8, key=0x11bd)
---Type <return> to continue, or q <return> to quit---
    at privates.c:178
No locals.
#9  0x0817fd5f in damageDestroyPixmap (pPixmap=0xbf188d0) at damage.c:1736
	pPrev = <value optimized out>
	pDamage = <value optimized out>
	pScreen = (ScreenPtr) 0x82409b8
	pScrPriv = (DamageScrPrivPtr) 0x824a748
#10 0xb7a6e248 in XvDestroyPixmap (pPix=0xbf188d0) at xvmain.c:382
	status = 0
	pScreen = (ScreenPtr) 0x82409b8
	pa = (XvAdaptorPtr) 0x82548d8
	na = 1
	pp = (XvPortPtr) 0x8254e50
	np = 16
#11 0x08173214 in FreePicture (value=0xbf18e90, pid=81790039) at picture.c:1529
	pScreen = (ScreenPtr) 0x82409b8
	ps = (PictureScreenPtr) 0x824a630
#12 0x08074246 in FreeClientResources (client=0xa969168) at resource.c:807
	rtype = 10
	resources = (ResourcePtr *) 0xad33b10
	this = (ResourcePtr) 0xa657d50
	j = 85
#13 0x0808701f in CloseDownClient (client=0xa969168) at dispatch.c:3433
---Type <return> to continue, or q <return> to quit---
	really_close_down = <value optimized out>
#14 0x0808ce78 in Dispatch () at dispatch.c:448
	result = 136424352
	client = (ClientPtr) 0xa969168
	nready = 0
	start_tick = 112220
#15 0x08071d6d in main (argc=8, argv=0xbfeeeba4, envp=Cannot access memory at address 0x11c5
) at main.c:397
	i = <value optimized out>
	alwaysCheckForInput = {0, 1}
(gdb)