*BSD News Article 79073


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From: jagnew@csugrad.cs.vt.edu (H. Jared Agnew)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: sio? silo overflow
Date: 24 Sep 1996 18:50:04 -0400
Organization: Virginia Tech Computer Science Dept, Blacksburg, VA
Lines: 30
Message-ID: <529ois$vsi@csugrad.cs.vt.edu>
NNTP-Posting-Host: csugrad.cs.vt.edu
X-Newsreader: TIN [version 1.2 PL2]

I am loosing my ppp connection, and after looking in the logs I find these
in /var/log/messages.  

Sep 24 01:43:54 jagnew /kernel: sio1: 1 more silo overflow (total 1)
Sep 24 01:45:41 jagnew /kernel: sio1: 1 more silo overflow (total 2)
Sep 24 18:28:05 jagnew /kernel: sio1: 1 more silo overflow (total 3)
.
..
...
Sep 24 01:43:54 jagnew /kernel: sio1: 1 more silo overflow (total 41)
Sep 24 01:45:41 jagnew /kernel: sio1: 1 more silo overflow (total 42)
Sep 24 18:28:05 jagnew /kernel: sio1: 1 more silo overflow (total 43)

I have a P75 the serial port that I am using to connect to my modem
is sio1.  It is a high speed serial port.  I am using pppd for my 
connection to my isp, and is run like this.

pppd +ua /etc/ppp/ppp.pap 57600 /dev/cuaa1 connect chat -f /etc/ppp/ppp.chat -v

ppp.pap hold just my login name and password on two lines. 
ppp.chat is the chat script that dials the modem.

I dont get the erors when I tell the machine to connect at
19200, but I thought that the High speed serial ports should be able to
handle 57600.  Anyway, if anyone has any idea why this is happening
could you please post or write to the address above.

---  Jared
--jared@vt.edu