>>>>> "Charles" == Charles M Hannum <mycroft@mit.edu> writes:

    Charles> A few people have noted that the com driver in -current
    Charles> seems to lose badly with PPP.  This was due to a bug
    Charles> (which I have just fixed) that would cause it to
    Charles> [...]

    Charles> If you've been experiencing a problem which might be
    Charles> attributable to this, please try the latest version of
    Charles> the driver (revision 1.100), and let me know whether or
    Charles> not it helps.  I've included the (rather simple) patch
    Charles> below.

It helps perfectly: The lost/retransmitted data on output to our modem
(exactly the situation mentioned above) are gone!

Great!

Markus.