usb serial port not working using tip

Kim Culhan w8hdkim at
Sun Sep 19 09:45:33 PDT 2004

This running 5.3-BETA4

Trying to use tip to connect with a usb serial port
ucom0, which is connected to the console on another
machine running 5.3-BETA4

The serial hardware:

kernel: ucom0: Prolific Technology Inc. USB-Serial Controller,
rev 1.10/3.00, addr 2

It usually returns: connected

Yet on sending a few c/r's nothing is displayed.

The port on the other machine has been connected via
cuaa0 for some time and it worked reliably.

Rarely I can try it and it connects.. What is a method
to help debug this?

Also, after closing the tip connection with ~! then
reopening the connection again, the lock file is still
present and must be removed manually.

Any help on this is greatly appreciated..


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