(gdb) backtrace full #0 damageDestroyPixmap (pPixmap=0x9dd6980) at ../../../miext/damage/damage.c:1675 pPrev = (DamagePtr *) 0x81dc968 pDamage = (DamagePtr) 0x81dc968 pScreen = (ScreenPtr) 0x96461c8 pScrPriv = (DamageScrPrivPtr) 0x9646a58 #1 0xb7b8dfb8 in XvDestroyPixmap (pPix=0x9dd6980) at ../../Xext/xvmain.c:381 status = 136169832 pScreen = (ScreenPtr) 0x96461c8 pa = (XvAdaptorPtr) 0x9646520 na = 1 pp = (XvPortPtr) 0x9681728 ---Type to continue, or q to quit--- np = 16 #2 0x08085ff5 in dixDestroyPixmap (value=0x9dd6980, pid=62951533) at ../../dix/dispatch.c:1272 No locals. #3 0x0807461c in FreeResource (id=62951533, skipDeleteFuncType=0) at ../../dix/resource.c:561 rtype = 2 cid = res = (ResourcePtr) 0x9e45f08 prev = (ResourcePtr *) 0xb03fa7c head = (ResourcePtr *) 0xb03fa7c #4 0x08087963 in ProcFreePixmap (client=0x9ded970) at ../../dix/dispatch.c:1358 ---Type to continue, or q to quit--- pMap = (PixmapPtr) 0x9dd6980 rc = 136169832 #5 0x0808c89f in Dispatch () at ../../dix/dispatch.c:454 result = client = (ClientPtr) 0x9ded970 nready = 0 start_tick = 1498400 #6 0x08071d1d in main (argc=10, argv=0xbff42544, envp=0xc14fe8f4) at ../../dix/main.c:441 i = error = 136151028 xauthfile = alwaysCheckForInput = {0, 1} (gdb)