#0  0x00007f59c4ff54af in ?? () from /lib/libgcc_s.so.1
#1  0x00007f59c4ff5d7b in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#2  0x00007f59c5f2a45e in *__GI___backtrace (array=<value optimized out>, 
    size=32) at ../sysdeps/x86_64/../ia64/backtrace.c:85
#3  0x00000000004ef046 in xorg_backtrace () at ../../os/backtrace.c:39
#4  0x0000000000484219 in xf86SigHandler (signo=11)
    at ../../../../hw/xfree86/common/xf86Events.c:385
#5  <signal handler called>
#6  0x0000000000000002 in ?? ()
#7  0x00007f59c3ee72c4 in i965_prepare_composite (op=3, pSrcPicture=0x44ee1b0, 
    pMaskPicture=0x0, pDstPicture=0x44ed590, pSrc=0x54ab8e0, pMask=0x0, 
    pDst=0x50c3890) at ../../src/i965_render.c:1350
#8  0x00007f59c344b322 in exaTryDriverComposite (op=3 '\003', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=<value optimized out>, 
    yMask=<value optimized out>, xDst=<value optimized out>, 
    yDst=<value optimized out>, width=<value optimized out>, 
    height=<value optimized out>) at ../../exa/exa_render.c:670
#9  0x00007f59c344bcbf in exaComposite (op=3 '\003', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=0, 
    yDst=0, width=1280, height=800) at ../../exa/exa_render.c:935
#10 0x0000000000535828 in damageComposite (op=48 '0', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=-19472, 
    yMask=<value optimized out>, xDst=<value optimized out>, 
    yDst=<value optimized out>, width=<value optimized out>, 
    height=<value optimized out>) at ../../../miext/damage/damage.c:643
#11 0x000000000052de3a in ProcRenderComposite (client=0x44dff20)
    at ../../render/render.c:720
#12 0x000000000044d214 in Dispatch () at ../../dix/dispatch.c:437
#13 0x000000000043310d in main (argc=8, argv=0x7fffd03f60b8, 
    envp=<value optimized out>) at ../../dix/main.c:397
#0  0x00007f59c4ff54af in ?? () from /lib/libgcc_s.so.1
No symbol table info available.
#1  0x00007f59c4ff5d7b in _Unwind_Backtrace () from /lib/libgcc_s.so.1
No symbol table info available.
#2  0x00007f59c5f2a45e in *__GI___backtrace (array=<value optimized out>, 
    size=32) at ../sysdeps/x86_64/../ia64/backtrace.c:85
	arg = {array = 0x7fffd03f5510, cnt = 3, size = 32}
	once = 2
#3  0x00000000004ef046 in xorg_backtrace () at ../../os/backtrace.c:39
	array = {0x4ef046, 0x484219, 0x7f59c5e7d190, 0x0, 0x0, 0x0, 0x0, 0x0, 
  0x0, 0x0, 0x0, 0x14000000, 0x7f59c5e7d190, 0x0, 0x1, 0x400, 
  0x0 <repeats 15 times>, 0x10000000}
	size = <value optimized out>
	i = <value optimized out>
	strings = <value optimized out>
#4  0x0000000000484219 in xf86SigHandler (signo=11)
    at ../../../../hw/xfree86/common/xf86Events.c:385
No locals.
#5  <signal handler called>
No locals.
#6  0x0000000000000002 in ?? ()
No symbol table info available.
#7  0x00007f59c3ee72c4 in i965_prepare_composite (op=3, pSrcPicture=0x44ee1b0, 
    pMaskPicture=0x0, pDstPicture=0x44ed590, pSrc=0x54ab8e0, pMask=0x0, 
    pDst=0x50c3890) at ../../src/i965_render.c:1350
	pScrn = (ScrnInfoPtr) 0x1bd8950
	pI830 = (I830Ptr) 0x1bdaf90
	render_state = (struct gen4_render_state *) 0x1c324e0
	binding_table = (uint32_t *) 0x7f59b2e28000
	binding_table_bo = <value optimized out>
	surface_state_bo = (drm_intel_bo *) 0x44ee550
#8  0x00007f59c344b322 in exaTryDriverComposite (op=3 '\003', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=<value optimized out>, 
    yMask=<value optimized out>, xDst=<value optimized out>, 
    yDst=<value optimized out>, width=<value optimized out>, 
    height=<value optimized out>) at ../../exa/exa_render.c:670
	region = {extents = {x1 = 0, y1 = 0, x2 = 1280, y2 = 800}, data = 0x0}
	pbox = <value optimized out>
	nbox = <value optimized out>
	src_off_x = <value optimized out>
	src_off_y = <value optimized out>
	mask_off_x = <value optimized out>
	mask_off_y = <value optimized out>
	dst_off_x = 0
	dst_off_y = 0
	pSrcPix = (PixmapPtr) 0x54ab8e0
	pMaskPix = (PixmapPtr) 0x0
	pDstPix = (PixmapPtr) 0x50c3890
	pMaskExaPix = <value optimized out>
	scratch = {drawable = {type = 32 ' ', class = 139 '\213', 
    depth = 125 '}', bitsPerPixel = 0 '\0', id = 0, x = 23632, y = -12225, 
    width = 32767, height = 0, pScreen = 0x7d8ba0, 
    serialNumber = 140736687201728}, devPrivates = 0x7fffd03f5c20, 
  refcnt = -801118472, devKind = 32767, devPrivate = {ptr = 0x1, val = 1, 
    uval = 1, fptr = 0x1}, screen_x = 8047, screen_y = -14822, 
  usage_hint = 32601}
	pixmaps = {{as_dst = 1, as_src = 1, pPix = 0x50c3890, pReg = 0x0}, {
    as_dst = 0, as_src = 1, pPix = 0x54ab8e0, pReg = 0x0}, {as_dst = 0, 
    as_src = 0, pPix = 0x0, pReg = 0x7fffd03f5c10}}
#9  0x00007f59c344bcbf in exaComposite (op=3 '\003', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=0, yMask=0, xDst=0, 
    yDst=0, width=1280, height=800) at ../../exa/exa_render.c:935
	isSrcSolid = <value optimized out>
	pExaScr = (ExaScreenPrivPtr) 0x4b14050
	ret = <value optimized out>
	saveMaskRepeat = 0
	region = {extents = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, data = 0x4ac54b0}
#10 0x0000000000535828 in damageComposite (op=48 '0', pSrc=0x44ee1b0, 
    pMask=0x0, pDst=0x44ed590, xSrc=0, ySrc=0, xMask=-19472, 
    yMask=<value optimized out>, xDst=<value optimized out>, 
    yDst=<value optimized out>, width=<value optimized out>, 
    height=<value optimized out>) at ../../../miext/damage/damage.c:643
	ps = (PictureScreenPtr) 0x4abff40
	pScrPriv = (DamageScrPrivPtr) 0x4ac54b0
#11 0x000000000052de3a in ProcRenderComposite (client=0x44dff20)
    at ../../render/render.c:720
	pSrc = (PicturePtr) 0x44ee1b0
	pMask = <value optimized out>
	pDst = (PicturePtr) 0x44ed590
#12 0x000000000044d214 in Dispatch () at ../../dix/dispatch.c:437
	result = <value optimized out>
	client = (ClientPtr) 0x44dff20
	nready = 0
	start_tick = 1640
#13 0x000000000043310d in main (argc=8, argv=0x7fffd03f60b8, 
    envp=<value optimized out>) at ../../dix/main.c:397
	i = 1
	alwaysCheckForInput = {0, 1}