[parisc-linux] Strange serial behaviour on C160

Peter Mottram peter@petescaff.com
Wed, 20 Feb 2002 18:59:00 +0100 (CET)

I am seeing weird serial behaviour on my C160......

Before upgrading from HP-UX to Linux I had two perfectly functioning
serial ports on my C160. I now appear to have THREE serial ports -

ttyS0 works perfectly
ttyS1 goes somewhere - not found where yet
ttyS2 goes to my second serial port but does not work at all well. A
simple cat of a file to the device results in the file appearing on a
terminal just a few characters at a time & incredibly slowly. All serial
ports have the same settings & ttyS0 has no problems (I use it for the

I checked a C110 & found no problems there - just 2 perfect serial ports.

Anyone have any ideas?