Dumping VCS Annotated Stack:
#0 0xb7759424 in __kernel_vsyscall ()
#1 0xb381f32b in waitpid () from /lib/libc.so.6
#2 0xb37b8c53 in do_system () from /lib/libc.so.6
#3 0xb37b8fe2 in system () from /lib/libc.so.6
#4 0xb3a3898d in system () from /lib/libpthread.so.0
...