.
Thread 2 (Thread 0xb6731b40 (LWP 3583)):
#0  0xb7764424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7231c16 in nanosleep () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0xb726257d in usleep () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0x0808f39c in ?? ()
No symbol table info available.
#4  0xb7739d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0xb7268ace in clone () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 0xb690d700 (LWP 3580)):
#0  0xb7764424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb71ac1ef in raise () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0xb71af835 in abort () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0xb71a5095 in ?? () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#4  0xb71a5147 in __assert_fail () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#5  0xb6f2283f in ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
No symbol table info available.
#6  0xb6f2366e in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
No symbol table info available.
#7  0xb6f18be0 in XQueryExtension () from /usr/lib/i386-linux-gnu/libX11.so.6
No symbol table info available.
#8  0xb6f0c93c in XInitExtension () from /usr/lib/i386-linux-gnu/libX11.so.6
No symbol table info available.
#9  0xb7178b14 in XextAddDisplay () from /usr/lib/i386-linux-gnu/libXext.so.6
No symbol table info available.
#10 0xb7657f0a in ?? () from /usr/lib/fglrx/libGL.so.1
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)