On 7/4/12, Eric Wong wrote: > Can you elaborate on this issue? I'll try, but I don't promise a result, cause I don't have enough knowledge :) > I assume this only happens on GNU/kFreeBSD? No, It's on GNU/Linux. On GNU/kFreeBSD I have "Errno::ENOSYS: Function not implemented - mq_open" (yes, I've made "kldload mqueuefs). On ordinal FreeBSD 9.0 this assert is successful but there other problems. You may look attachments, out.1 is stdout and out.2 is stderr.