Program terminated with signal 11, Segmentation fault.
#0  0xb7b454dd in i830_clear_tiling (pScrn=0x8217938, fence_nr=144445080) at i830_memory.c:1888
1888            OUTREG(FENCE + fence_nr * 4, 0);
(gdb) bt full
#0  0xb7b454dd in i830_clear_tiling (pScrn=0x8217938, fence_nr=144445080) at i830_memory.c:1888
        pI830 = (I830Ptr) 0x8218f10
        __FUNCTION__ = "i830_clear_tiling"
#1  0xb7b41e00 in i830_unbind_memory (pScrn=0x8217938, mem=0x89c0e98) at i830_memory.c:232
        pI830 = (I830Ptr) 0x8218f10
#2  0xb7b41e79 in i830_free_memory (pScrn=0x8217938, mem=0x89c0e98) at i830_memory.c:270
No locals.
#3  0xb7b4c596 in I830PutImage (pScrn=0x8217938, src_x=0, src_y=0, drw_x=1060, drw_y=750, src_w=512, src_h=256, drw_w=256, drw_h=128,
    id=844715353,
    buf=0xa78b5000 "�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200"..., width=512, height=256, sync=1, clipBoxes=0xbfe05944,
    data=0x82298f4, pDraw=0x89b6c80) at i830_video.c:2321
        pI830 = (I830Ptr) 0x8218f10
        pPriv = (I830PortPrivPtr) 0x82298f4
        pScreen = (ScreenPtr) 0x82258c0
        overlay = (I830OverlayRegPtr) 0xb1925000
        pPixmap = (PixmapPtr) 0xc
        x1 = 0
        x2 = 33554432
        y1 = 0
        y2 = 16777216
        srcPitch = 1024
        srcPitch2 = 0
        dstPitch = 1024
        destId = 844715353
        top = 136003239
        left = 12
        npixels = 136144064
        nlines = -1075816264
        size = 262144
        dstBox = {x1 = 1060, y1 = 750, x2 = 1316, y2 = 878}
        pitchAlignMask = 63
        alloc_size = 524288
        extraLinear = 0
        crtc = (xf86CrtcPtr) 0x821a468
#4  0x080d9305 in xf86XVPutImage (client=0x89eaaf8, pDraw=0x89b6c80, pPort=0x8229be0, pGC=0x8ab77f0, src_x=<value optimized out>,
    src_y=<value optimized out>, src_w=<value optimized out>, src_h=<value optimized out>, drw_x=79, drw_y=0, drw_w=<value optimized out>,
    drw_h=<value optimized out>, format=0x82689c8,
    data=0xa78b5000 "�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200"..., sync=1, width=<value optimized out>,
    height=<value optimized out>) at ../../../../hw/xfree86/common/xf86xv.c:1777
        portPriv = <value optimized out>
        WinRegion = {extents = {x1 = 1060, y1 = 750, x2 = 1316, y2 = 878}, data = 0x0}
        ClipRegion = {extents = {x1 = 1060, y1 = 750, x2 = 1316, y2 = 878}, data = 0x0}
---Type <return> to continue, or q <return> to quit---
        ret = 0
#5  0xb7c046d8 in XvdiPutImage (client=0x89eaaf8, pDraw=0x89b6c80, pPort=0x8229be0, pGC=0x8ab77f0, src_x=<value optimized out>,
    src_y=<value optimized out>, src_w=<value optimized out>, src_h=<value optimized out>, drw_x=<value optimized out>,
    drw_y=<value optimized out>, drw_w=<value optimized out>, drw_h=<value optimized out>, image=0x82689c8,
    data=0xa78b5000 "�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200�\220�\200"..., sync=1, width=<value optimized out>,
    height=<value optimized out>) at ../../Xext/xvmain.c:730
No locals.
#6  0xb7c07546 in ProcXvShmPutImage (client=0x89eaaf8) at ../../Xext/xvdisp.c:1180
        ev = {type = 79 'O', bpad0 = 209 '�', sequenceNumber = 2068, drawable = 136321092, minorEvent = 23136, majorEvent = 224 '�',
  bpad1 = 191 '�', shmseg = 3219151528, offset = 135996845, pad0 = 144616184, pad1 = 136753872, pad2 = 1}
        pDraw = (DrawablePtr) 0x89b6c80
        pPort = (XvPortPtr) 0x8229be0
        pImage = (XvImagePtr) 0x82689c8
        pGC = (GCPtr) 0x8ab77f0
        status = -636896672
        size_needed = <value optimized out>
        i = <value optimized out>
        width = 512
        height = 256
#7  0x0814d34e in XaceCatchExtProc (client=0x89eaaf8) at ../../Xext/xace.c:299
        major = 141
        ext = <value optimized out>
#8  0x0808d0bf in Dispatch () at ../../dix/dispatch.c:502
        result = <value optimized out>
        client = (ClientPtr) 0x89eaaf8
        nready = 0
        start_tick = 946100
#9  0x0807461b in main (argc=8, argv=0xbfe05ff4, envp=0x0) at ../../dix/main.c:452
        pScreen = <value optimized out>
        i = 1
        error = 136144064
        xauthfile = <value optimized out>
        alwaysCheckForInput = {0, 1}