kern/99758: chown/chmod pty slave side in kernel

[Atsuo Ohki]

I writes:
> Robert Watson writes:
>> ...
>> The tty_pts implementation in 7-CURRENT does the same, except more so, by 
>> forcing revocation of the pty on last close.  Unfortunately, this triggers 
>> bugs in devfs.  Your help in getting the 7.x pts implementation up and
>> running would be much appreciated.  Take a look at src/sys/kern/tty_pts.c.
> 
>  Thank you for interested in my patch.
> 
>  I don't have a machine to run 7-current now,

 Now I have a machine running 7-current (cvs tag HEAD).

 Could you give me a pointer to how to trigger bugs in devfs
 releated with pts implementation?