strcpy-sse2-unaligned.S not found

I am compiling the simple code below, and run it in gdb. I set a break point at the strcpy line, as soon as I run it for the input for instance abc, and then press s, I get the following error:

Breakpoint 1, main (argc=2, argv=0x7fffffffdd98) at ExploitMe.c:9
9           strcpy(buffer, argv[1]);
(gdb) s
__strcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S:48
48  ../sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: No such file or directory.

I am using ubuntu 12.04 AMD64 and gcc 2.15. Any idea?

main(int argc, char *argv[]) {

    char buffer[80];

    strcpy(buffer, argv[1]);

    return 0;
}