#0  0xb741ba74 in xcb_glx_query_server_string_string_length () from /usr/lib/i386-linux-gnu/libxcb-glx.so.0
No symbol table info available.
#1  0xb777aa21 in __glXQueryServerString () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#2  0xb7757195 in ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#3  0xb7753556 in ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#4  0xb7753dee in glXChooseVisual () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#5  0x080492ca in ?? ()
No symbol table info available.
#6  0x0804a0e9 in ?? ()
No symbol table info available.
#7  0xb74794d3 in __libc_start_main (main=0x8049f80, argc=1, ubp_av=0xbff46384, init=0x804b5b0, fini=0x804b610, rtld_fini=0xb77d9270 <_dl_fini>, stack_end=0xbff4637c) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1218441216, 0, 0, 0, -1845964618, -166456153}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x8048d10}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <optimized out>
#8  0x08048d31 in ?? ()
No symbol table info available.