Program received signal SIGSEGV, Segmentation fault.
__memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:873
873     ../sysdeps/x86_64/multiarch/../memset.S: No such file or directory.
(gdb) bt full
#0  __memset_sse2 () at ../sysdeps/x86_64/multiarch/../memset.S:873
No locals.
#1  0x00007f6a9ad55014 in memset (__len=<optimized out>, __ch=<optimized out>,
    __dest=<optimized out>) at /usr/include/bits/string3.h:84
No locals.
#2  _sna_pixmap_move_to_cpu (pixmap=pixmap@entry=0x32df770,
    flags=flags@entry=3)
    at /var/tmp/portage/x11-drivers/xf86-video-intel-2.99.907/work/xf86-video-intel-2.99.907/src/sna/sna_accel.c:2118
        __PRETTY_FUNCTION__ = "_sna_pixmap_move_to_cpu"
#3  0x00007f6a9ad5a0cd in sna_drawable_move_region_to_cpu (
    drawable=<optimized out>, region=region@entry=0x7fff9f6ff150,
    flags=flags@entry=3)
    at /var/tmp/portage/x11-drivers/xf86-video-intel-2.99.907/work/xf86-video-intel-2.99.907/src/sna/sna_accel.c:2567
        dx = <optimized out>
        dy = <optimized out>
        __PRETTY_FUNCTION__ = "sna_drawable_move_region_to_cpu"
#4  0x00007f6a9ad7e424 in sna_composite_fb (op=<optimized out>,
    src=src@entry=0x3d880f0, mask=mask@entry=0x0, dst=dst@entry=0x26ba940,
    region=region@entry=0x7fff9f6ff150, src_x=src_x@entry=0,
    src_y=src_y@entry=0, msk_x=msk_x@entry=0, msk_y=msk_y@entry=0, dst_x=12,
---Type <return> to continue, or q <return> to quit---
    dst_y=dst_y@entry=12, width=width@entry=24, height=height@entry=24)
    at /var/tmp/portage/x11-drivers/xf86-video-intel-2.99.907/work/xf86-video-intel-2.99.907/src/sna/sna_composite.c:519
        src_image = <optimized out>
        mask_image = <optimized out>
        dest_image = <optimized out>
        src_xoff = 53345696
        src_yoff = 0
        msk_xoff = 0
        msk_yoff = 0
        dst_xoff = 0
        dst_yoff = 0
        tx = 1212
        ty = 0
        flags = 3
        __PRETTY_FUNCTION__ = "sna_composite_fb"
#5  0x00007f6a9ad7eef5 in sna_composite (op=<optimized out>,
    src=<optimized out>, mask=0x0, dst=0x26ba940, src_x=<optimized out>,
    src_y=<optimized out>, mask_x=0, mask_y=0, dst_x=12, dst_y=12, width=24,
    height=24)
    at /var/tmp/portage/x11-drivers/xf86-video-intel-2.99.907/work/xf86-video-intel-2.99.907/src/sna/sna_composite.c:742
---Type <return> to continue, or q <return> to quit---
        tmp = {blt = 0x0, box = 0x0, boxes = 0x0, thread_boxes = 0x0,
          done = 0x0, damage = 0x0, op = 0, dst = {pixmap = 0x32df770,
            format = 537036936, bo = 0x0, x = -1794, y = -1212, width = 48,
            height = 48}, src = {bo = 0x0, transform = 0x0, width = 0,
            height = 0, pict_format = 0, card_format = 0, filter = 0,
            repeat = 0, is_affine = 0, is_solid = 0, is_linear = 0,
            is_opaque = 0, alpha_fixup = 0, rb_reversed = 0, offset = {0, 0},
            scale = {0, 0}, embedded_transform = {matrix = {{0, 0, 0}, {0, 0,
                  0}, {0, 0, 0}}}, u = {linear = {dx = 0, dy = 0, offset = 0},
              gen2 = {pixel = 0}, gen3 = {type = 0, mode = 0,
                constants = 0}}}, mask = {bo = 0x0, transform = 0x0,
            width = 0, height = 0, pict_format = 0, card_format = 0,
            filter = 0, repeat = 0, is_affine = 0, is_solid = 0,
            is_linear = 0, is_opaque = 0, alpha_fixup = 0, rb_reversed = 0,
            offset = {0, 0}, scale = {0, 0}, embedded_transform = {matrix = {{
                  0, 0, 0}, {0, 0, 0}, {0, 0, 0}}}, u = {linear = {dx = 0,
                dy = 0, offset = 0}, gen2 = {pixel = 0}, gen3 = {type = 0,
                mode = 0, constants = 0}}}, is_affine = 0,
          has_component_alpha = 0, need_magic_ca_pass = 0, rb_reversed = 0,
          floats_per_vertex = 0, floats_per_rect = 0, prim_emit = 0x0,
          emit_boxes = 0x0, redirect = {real_bo = 0x0, real_damage = 0x0,
            damage = 0x0, box = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}}, u = {blt = {
---Type <return> to continue, or q <return> to quit---
              src_pixmap = 0x0, sx = 0, sy = 0, inplace = 0, overwrites = 0,
              bpp = 0, alu = 0, cmd = 0, br13 = 0, pitch = {0, 0}, pixel = 0,
              bo = {0x0, 0x0}}, gen3 = {constants = {0, 0, 0, 0, 0, 0, 0, 0},
              num_constants = 0}, gen4 = {wm_kernel = 0, ve_id = 0}, gen5 = {
              wm_kernel = 0, ve_id = 0}, gen6 = {flags = 0}, gen7 = {
              flags = 0}, gen8 = {flags = 0}}, priv = 0x0}
        region = {extents = {x1 = 1806, y1 = 1224, x2 = 1830, y2 = 1248},
          data = 0x0}
        dx = <optimized out>
        dy = <optimized out>
#6  0x0000000000507542 in damageComposite (op=<optimized out>, pSrc=0x3d880f0,
    pMask=0x0, pDst=0x26ba940, xSrc=<optimized out>, ySrc=<optimized out>,
    xMask=0, yMask=0, xDst=12, yDst=12, width=24, height=24)
    at /var/tmp/portage/x11-base/xorg-server-1.14.5/work/xorg-server-1.14.5/miext/damage/damage.c:560
        pScreen = <optimized out>
#7  0x0000000000500e4a in ProcRenderComposite (client=0x267e690)
    at /var/tmp/portage/x11-base/xorg-server-1.14.5/work/xorg-server-1.14.5/render/render.c:708
        pSrc = 0x3d880f0
        pMask = 0x0
        pDst = 0x26ba940
---Type <return> to continue, or q <return> to quit---
        stuff = 0x2b7e3ac
#8  0x000000000043527e in Dispatch ()
    at /var/tmp/portage/x11-base/xorg-server-1.14.5/work/xorg-server-1.14.5/dix/dispatch.c:432
        clientReady = 0x2518880
        result = <optimized out>
        client = 0x267e690
        nready = 0
        icheck = 0x80a210 <checkForInput>
        start_tick = 280
#9  0x0000000000424a0a in main (argc=10, argv=0x7fff9f6ff618,
    envp=<optimized out>)
    at /var/tmp/portage/x11-base/xorg-server-1.14.5/work/xorg-server-1.14.5/dix/main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
(gdb) c
Continuing.
[Thread 0x7f6a99d0d700 (LWP 28542) exited]
[Thread 0x7f6a9a50e700 (LWP 28541) exited]
[Thread 0x7f6a9950c700 (LWP 28543) exited]
[Thread 0x7f6a9dff2880 (LWP 28538) exited]
[Inferior 1 (process 28538) exited with code 01]