GNUMach 1.x serial problems

[Marco Gerards]

Hi,

A while ago I was told there are some serious problems with the serial
driver in GNUMach 1.x.  This has something to do with the allowed
serial speed and PPP.

What is the problem with Mach and what causes this problem?  I'm
willing to look into this problem.  Does this patch already fix the
bug?

http://mail.gnu.org/archive/html/bug-hurd/2001-10/msg00213.html

What is the status of PPP?  Does it work and if not what needs to be
done?

Thanks,
Marco