Program received signal SIGSEGV, Segmentation fault.
0xb764cde6 in memcpy () from /lib/libc.so.6
(gdb) bt f
#0  0xb764cde6 in memcpy () from /lib/libc.so.6
No symbol table info available.
#1  0xb740ca21 in RADEONBlitChunk (pScrn=0xb6697000, src_bo=0x0, dst_bo=0x5c4, datatype=0, src_pitch_offset=2, dst_pitch_offset=0, srcX=-1076993944, srcY=-1221594778, 
    dstX=143255968, dstY=-1221514312, w=369, h=138939696, src_domain=24, dst_domain=3073452516) at radeon_exa_funcs.c:452
        info = 0xd0
        __head = 0xb740ca21
        __expected = -1076994024
        __count = -1219987749
        __FUNCTION__ = "RADEONBlitChunk"
        __func__ = "RADEONBlitChunk"
#2  0xb740cc7f in RADEONUploadToScreenCS (pDst=0x8481ee0, x=652, y=537, w=369, h=208, src=0x0, src_pitch=1476) at radeon_exa_funcs.c:535
        pScreen = 0x844f0d8
        pScrn = 0x8446e20
        info = 0x8449f50
        driver_priv = 0x8480d30
        scratch = 0x889e4a8
        dst = 0xb6697000 <Address 0xb6697000 out of bounds>
        size = 1476
        datatype = 0
        dst_domain = 3217973400
        dst_pitch_offset = 3073452988
        bpp = 32
        scratch_pitch = 1536
        swap = 0
        r = 1
        i = 0
        __FUNCTION__ = "RADEONUploadToScreenCS"
        __func__ = "RADEONUploadToScreenCS"
#3  0xb7305f9c in exaHWCopyNtoN (pSrcDrawable=0x889e9a0, pDstDrawable=0x889e628, pGC=0x0, pbox=0xbfce628c, nbox=0, dx=-652, dy=-537, reverse=0, upsidedown=0) at exa_accel.c:535
        bpp = 32
        src_stride = 1476
        src = 0x0
        pExaScr = 0x84616b0
        pSrcPixmap = 0x889e9a0
        pDstPixmap = 0x8481ee0
        pSrcExaPixmap = 0x88628c0
        pDstExaPixmap = 0x8481fa0
        src_off_x = 0
        src_off_y = 0
        dst_off_x = 0
        dst_off_y = 0
        srcregion = 0x8830d58
        dstregion = 0x88910e0
        rects = 0x88910e0
        ret = 1
#4  0xb730d2d1 in exaComposite (op=1 '\001', pSrc=0x8862908, pMask=0x0, pDst=0x8862960, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=652, yDst=537, width=369, height=208)
    at exa_render.c:956
        ret = 1
        pExaScr = 0x84616b0
        ret = -1
        saveSrcRepeat = 0
        saveMaskRepeat = 0
        region = {extents = {x1 = 652, y1 = 537, x2 = 1021, y2 = 745}, data = 0x0}
#5  0x0815638a in damageComposite (op=1 '\001', pSrc=0x8862908, pMask=0x0, pDst=0x8862960, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=0, yDst=0, width=369, height=208) at damage.c:643
        pScreen = 0x844f0d8
        ps = 0x8451200
        pScrPriv = 0x84513c8
#6  0x0814621c in CompositePicture (op=1 '\001', pSrc=0x8862908, pMask=0x0, pDst=0x8862960, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=0, yDst=0, width=369, height=208)
    at picture.c:1714
        ps = 0x8451200
#7  0x08148314 in ProcRenderComposite (client=0x8821818) at render.c:723
        pSrc = 0x8862908
        pMask = 0x0
        pDst = 0x8862960
        stuff = 0x88260dc
#8  0x0814baa6 in ProcRenderDispatch (client=0x8821818) at render.c:2056
        stuff = 0x88260dc
#9  0x0808c577 in Dispatch () at dispatch.c:439
        clientReady = 0x86df020
        result = 0
        client = 0x8821818
        nready = 0
        icheck = 0x824e91c
        start_tick = 120
#10 0x0806268e in main (argc=3, argv=0xbfce6654, envp=0xbfce6664) at main.c:286
        i = 1
        alwaysCheckForInput = {0, 1}