Program received signal SIGABRT, Aborted.
[Switching to Thread -1220593472 (LWP 7301)]
0xffffe410 in __kernel_vsyscall ()
(gdb) backtrace
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb75bc875 in raise () from /lib/tls/i686/cmov/libc.so.6
#2  0xb75be201 in abort () from /lib/tls/i686/cmov/libc.so.6
#3  0xb75f3e5c in ?? () from /lib/tls/i686/cmov/libc.so.6
#4  0x0000000a in ?? ()
#5  0x0000000a in ?? ()
#6  0x00012c00 in ?? ()
#7  0xbf984918 in ?? ()
#8  0x00000000 in ?? ()