crash in tty code in 6.1.. fixed since?

[Attilio Rao]

M. Warner Losh wrote:
> In message: <46972B28.1010409 at FreeBSD.org>
>             Attilio Rao <attilio at FreeBSD.org> writes:
> : I think it has been fixed some months ago IIRC.
> : The problem here, should be that if sx_slock() let thread sleep, Giant 
> : is released before to sleep and tp->t_session can be accessed in racy way.
> : Another nice side-effect about having tty Giant :)
> 
> I've been having crashes right and left in cblock code.  I've had good
> luck converting it to using a mutext.  However, someone else was
> telling me they had big problems going all the way and locking the
> entire TTY subsystem.  The evidence is in p4...

What depot do you refer exactly?

Attilio