Starting program: /home/sa/Games/x2-demo/x2_demo 
[Thread debugging using libthread_db enabled]
[New Thread 0xb7c9fb90 (LWP 7425)]
[New Thread 0xb6a27b90 (LWP 7436)]

Program received signal SIGABRT, Aborted.
0xb7fe1424 in __kernel_vsyscall ()

Thread 3 (Thread 0xb6a27b90 (LWP 7436)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb7decfe1 in select () from /lib/i686/cmov/libc.so.6
#2  0x08476298 in ?? ()
#3  0x084775c6 in ?? ()
#4  0x0847c0e3 in ?? ()
#5  0xb7e7c4b5 in start_thread (arg=0xb6a27b90) at pthread_create.c:300
#6  0xb7df4a5e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb7c9fb90 (LWP 7425)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb7e83736 in nanosleep () from /lib/i686/cmov/libpthread.so.0
#2  0x084c009b in ?? ()
#3  0x084a7b2e in ?? ()
#4  0x084aab3e in ?? ()
#5  0x084bdef2 in ?? ()
#6  0xb7e7c4b5 in start_thread (arg=0xb7c9fb90) at pthread_create.c:300
#7  0xb7df4a5e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7cf06c0 (LWP 7421)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb7d3e3d0 in *__GI_raise (sig=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0xb7d41a85 in *__GI_abort () at abort.c:88
#3  0xb7d374ee in *__GI___assert_fail (
    assertion=0xb738e304 "input->offset < input->bo->size", 
    file=0xb738e294 "brw_draw_upload.c", line=412, 
    function=0xb738e259 "brw_prepare_vertices") at assert.c:78
#4  0xb71d282c in brw_prepare_vertices (brw=0x9b4dfd8) at brw_draw_upload.c:412
#5  0xb71df6fc in brw_validate_state (brw=0x9b4dfd8) at brw_state_upload.c:319
#6  0xb71d17bd in brw_try_draw_prims (ctx=0x9b4dfd8, arrays=0x9b867ec, 
    prim=0xbfffe8e0, nr_prims=1, ib=0x0, min_index=0, max_index=3)
    at brw_draw.c:371
#7  brw_draw_prims (ctx=0x9b4dfd8, arrays=0x9b867ec, prim=0xbfffe8e0, 
    nr_prims=1, ib=0x0, min_index=0, max_index=3) at brw_draw.c:477
#8  0xb729698e in vbo_exec_DrawArrays (mode=6, start=0, count=4)
    at vbo/vbo_exec_array.c:502
#9  0xb71a0ce3 in intel_generate_mipmap_level (ctx=0x9b4dfd8, target=3553, 
    texObj=0xa53d2d8) at intel_generatemipmap.c:109
#10 intel_generate_mipmap_2d (ctx=0x9b4dfd8, target=3553, texObj=0xa53d2d8)
    at intel_generatemipmap.c:197
#11 intel_generate_mipmap (ctx=0x9b4dfd8, target=3553, texObj=0xa53d2d8)
    at intel_generatemipmap.c:252
#12 0xb71c1bf3 in intelTexImage (ctx=0x9b4dfd8, dims=2, target=3553, level=0, 
    internalFormat=6408, width=128, height=128, depth=1, border=0, 
    format=6408, type=5121, pixels=0xace62a0, unpack=0x9b5aee0, 
    texObj=0xa53d2d8, texImage=0xa534380, imageSize=0, compressed=0 '\0')
    at intel_tex_image.c:556
#13 0xb71c25de in intelTexImage2D (ctx=0x9b4dfd8, target=3553, level=0, 
    internalFormat=6408, width=128, height=128, border=0, format=6408, 
    type=5121, pixels=0xace62a0, unpack=0x9b5aee0, texObj=0xa53d2d8, 
    texImage=0xa534380) at intel_tex_image.c:588
#14 0xb727aa2a in _mesa_TexImage2D (target=3553, level=0, internalFormat=6408, 
    width=128, height=128, border=0, format=6408, type=5121, pixels=0xace62a0)
    at main/teximage.c:2664
#15 0x08103b4a in ?? ()
#16 0x0812dd12 in ?? ()
#17 0x08131ec7 in ?? ()
#18 0x081320d5 in ?? ()
#19 0x080f0bb9 in ?? ()
#20 0x080f2824 in ?? ()
#21 0x080ae770 in ?? ()
#22 0x080ae7d0 in ?? ()
#23 0x08087d20 in ?? ()
#24 0x080937fa in ?? ()
#25 0x0809ab94 in ?? ()
#26 0x080d0728 in ?? ()
#27 0x080d0a7e in ?? ()
#28 0x080d32f7 in ?? ()
#29 0x08051cc9 in ?? ()
#30 0x080526a0 in ?? ()
#31 0x081009cf in ?? ()
#32 0xb7d297a5 in __libc_start_main (main=0x81008b0 <XMapRaised@plt+723280>, 
    argc=1, ubp_av=0xbffff794, init=0x804e1e0 <_init>, fini=0x852d9e8 <_fini>, 
    rtld_fini=0xb7ff06e0 <_dl_fini>, stack_end=0xbffff78c) at libc-start.c:222
#33 0x0804ff91 in ?? ()
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