9.0-RC1 panic in tcp_input: negative winow.

[Garrett Cooper]

On Sat, 22 Oct 2011, Pawel Jakub Dawidek wrote:

> The panic message says:
>
> 	panic: tcp_input negative window: tp 0xfffffe007763e000 rcv_nxt 3718269252 rcv_adv 3718268291
>
> I only have picture of the backtrace:
>
> 	http://people.freebsd.org/~pjd/misc/panic_negative_window.jpg

I've seen that issue once before in the r222XYZ days -- it's a problem 
that's been around since the TCP / IP code has been refactored in FreeBSD. 
Thanks,
-Garrett