.
Thread 1 (Thread 1635):
#0  0x00c2b422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x003f7601 in __strtoul_internal () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0x003faa62 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0x0042e56d in _IO_file_seekoff () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#4  0x00438611 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#5  0x00438618 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)