Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /usr/lib/gcc/i686-pc-linux-gnu/4.6.3/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/gcc/i686-pc-linux-gnu/4.6.3/libstdc++.so.6
Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so
Reading symbols from /usr/lib/libmtdev.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libmtdev.so.1
Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
0xffffe424 in __kernel_vsyscall ()
(gdb) cont
Continuing.

Program received signal SIGABRT, Aborted.
0xffffe424 in __kernel_vsyscall ()
(gdb) bt f
#0 0xffffe424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xa740f2cf in raise () from /lib/libc.so.6
No symbol table info available.
#2 0xa7410b65 in abort () from /lib/libc.so.6
No symbol table info available.
#3 0xa7408355 in ?? () from /lib/libc.so.6
No symbol table info available.
#4 0xa7408407 in __assert_fail () from /lib/libc.so.6
No symbol table info available.
#5 0xa7146b67 in kgem_upload_source_image (kgem=0xa70201a0,
data=0x8ab42d0, box=0xafec1158, stride=256, bpp=32) at kgem.c:4950
width = <optimized out>
height = <optimized out>
bo = <optimized out>
dst = <optimized out>
__PRETTY_FUNCTION__ = "kgem_upload_source_image"
#6 0xa71917b1 in upload (box=0xafec1158, pixmap=0x8aa70d0,
channel=0xafec13a8, sna=0xa7020008) at sna_render.c:505
priv = 0x8aaf758
bo = <optimized out>
#7 sna_render_pixmap_bo (sna=0xa7020008, channel=0xafec13a8,
pixmap=0x8aa70d0, x=0, y=32046, w=<optimized out>, h=884,
dst_x=135, dst_y=0) at sna_render.c:630
priv = 0x6
box = {x1 = 0, y1 = 32046, x2 = 64, y2 = -32606}
#8 0xa71c02c2 in gen3_composite_picture (sna=0xa7020008,
picture=0x8aa7128, op=0xafec137c, channel=0xafec13a8, x=0,
y=<optimized out>, w=868, h=884, dst_x=135, dst_y=0, precise=true)
at gen3_render.c:2415
color = <optimized out>
dx = 0
dy = 0
#9 0xa71c7bce in gen3_render_composite (tmp=0xafec137c, height=884,
width=<optimized out>, dst_y=<optimized out>,
dst_x=<optimized out>, mask_y=0, mask_x=0, src_y=32046, src_x=0,
dst=0x8a2ae10, mask=0x0, src=0x8aa7128, op=3 '\003',
sna=0xa7020008) at gen3_render.c:2854
No locals.
#10 gen3_render_composite (sna=0xa7020008, op=3 '\003',
src=0x8aa7128, mask=0x0, dst=0x8a2ae10, src_x=0, src_y=32046,
mask_x=0, mask_y=0, dst_x=135, dst_y=0, width=868, height=884,
tmp=0xafec137c) at gen3_render.c:2791
No locals.
#11 0xa71785f1 in sna_composite (op=3 '\003', src=0x8aa7128,
mask=0x0, dst=0x8a2ae10, src_x=0, src_y=32046, mask_x=0,
mask_y=0, dst_x=135, dst_y=0, width=868, height=884)
at sna_composite.c:547
pixmap = 0xafec14b4
sna = 0xa7020008
priv = 0x3904
tmp = {blt = 0x0, box = 0x0, boxes = 0x0, done = 0x0,
damage = 0x0, op = 3, dst = {pixmap = 0x8a72848,
format = 537004168, bo = 0x8a2f5c8, x = 0, y = 0,
width = 1364, height = 884}, src = {bo = 0x0,
transform = 0x0, width = 64, height = 64,
pict_format = 537036936, card_format = 384, filter = 0,
repeat = 1, is_affine = 1, is_solid = 0, is_linear = 0,
is_opaque = 0, alpha_fixup = 0, rb_reversed = 0,
offset = {-135, 32046}, scale = {0, 0},
embedded_transform = {matrix = {{0, 0, 0}, {0, 0, 0}, {0,
0, 0}}}, u = {gen2 = {pixel = 7, linear_dx = 0,
linear_dy = 0, linear_offset = 0}, gen3 = {type = 7,
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 = {gen2 = {pixel = 0,
linear_dx = 0, linear_dy = 0, linear_offset = 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, redirect = {real_bo = 0x0,
real_damage = 0x0, damage = 0x0, box = {x1 = 0, y1 = 0,
x2 = 0, y2 = 0}}, u = {blt = {src_pixmap = 0x0, sx = 0,
sy = 0, inplace = 0, overwrites = 0, bpp = 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}}, priv = 0x0}
flags = <optimized out>
region = {extents = {x1 = 135, y1 = 0, x2 = 1003, y2 = 884},
data = 0x0}
dx = 0
dy = 0
#12 0x0817393b in damageComposite (op=3 '\003', pSrc=0x8aa7128,
pMask=0x0, pDst=0x8a2ae10, xSrc=0, ySrc=32046, xMask=0, yMask=0,
xDst=135, yDst=0, width=868, height=884) at damage.c:559
pScreen = <optimized out>
ps = 0x8298be0
pScrPriv = 0x8298d40
#13 0x0816671e in CompositePicture (op=<optimized out>,
pSrc=0x8aa7128, pMask=0x0, pDst=0x8a2ae10, xSrc=0, ySrc=32046,
xMask=0, yMask=0, xDst=135, yDst=0, width=868, height=884)
at picture.c:1611
ps = 0x8298be0
#14 0x0816bb0c in ProcRenderComposite (client=0x89e4978)
at render.c:708
pSrc = 0x8aa7128
pMask = 0x0
pDst = 0x8a2ae10
stuff = 0x8ab02e8
#15 0x08167031 in ProcRenderDispatch (client=0x89e4978)
at render.c:1989
stuff = <optimized out>
#16 0x0807f1ad in Dispatch () at dispatch.c:428
clientReady = 0x8677028
result = <optimized out>
client = 0x89e4978
nready = 0
icheck = 0x82798f8 <checkForInput>
start_tick = 340
#17 0x0806c71c in main (argc=9, argv=0xafec17c4, envp=0xafec17ec)
at main.c:295
i = <optimized out>
alwaysCheckForInput = {0, 1}
(gdb)