hi, I just found that the old_mm->context.size is a negative value for a shell process, which is going to exec "/bin/ls". I assume that if the shell process has no its own ldt, the size should be zero, right? File: arch/i386/kernel/ldt.c function: init_new_context Thanks, Neo -- I would remember that if researchers were not ambitious probably today we haven't the technology we are using! -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ