Robert Dekelbaum <deker@Glue.umd.edu> wrote:
>I've been having a problem with NetBSD on my IPC. I run a PPP which works 
>fine, but I see (every few minutes, it varies based upon link load) the 
>error message
>
> Feb 15 10:54:54 vampire /netbsd: zs0a: fifo overrun
>
>which is usually followed by 
>
> Feb 15 10:44:42 vampire last message repeated 5 times
>
>several times with varying numbers of repeats.
>
>I know it's a seriel overrun. My question is this. What is the maximum 
>baudrate supported on an IPC with netbsd/sparc? Right now this is a 14.4k 
>link, but soon will be 28.8. I'd like to see if can get this fixed before 
>that...it's a real pain. and kills throughput

Do you have pppd set up to use RTS/CTS flow control?  You should add
"rtscts" (? check manpage) to your /etc/ppp/options file if it isn't
already there.
-- 
Mike Long <mike.long@analog.com>       PGP 2.6.2 public key signature:
VLSI Design Engineer                  CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Analog Devices, CPD Division
Norwood, MA 02062 USA                assert(*this!=opinionof(Analog));