Date: Sat, 23 May 1998 19:34:35 +0300 From: Garry Paul Cramins <gc9773@batelco.com.bh> To: questions@FreeBSD.ORG Subject: Troubleshooting tty-level buffer overflow Message-ID: <3566FA9B.D7B1C143@batelco.com.bh>
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To whom it may concern,
I am currently running FreeBSD 2.2.5, having decided to give it a
try
after using linux for about a year now and have run across a problem
which despite days (literally) at the screen and an endless search of
the net I have not been able to solve. While running ppp I get the
following message: "sio2: tty-level buffer overflow", according to the
manpage, sio(4), this message is in the application (ie, ppp). I also
get
this message with my HP2934A serial printer which prints properly so
I assume the two serial problems are related. I am running a Cirrus
Logic
V.34bis modem with a tyan motherboard (1564 dual pentium, 16550A
UART's) and this even occurs booting the generic kernel so I assume I
missed something fairly trivial during setup. I set the link speed at
115,200 bps in my ppp.conf file and everything loads fairly quickly on
my browser, if I set it to 28800 (my modem speed), though, my system
slows to a crawl and stty on the port lists 9600 as being the speed
With
the link speed set at 115,200 bps I will get the overflow and
eventually my
link will slow to a crawl (after approx. 20-25 minutes). In over a
year
and a half of running linux and for the last month or so with BSD I
have
not had any trouble with the operating system and never encountered a
problem I could not fix but I am stumped. I contacted Walnut Creek
CD-ROM
and they thought it might be some sort of hardware problem. Would
upgrading
to the 2.2.6 kernel fix this?
Any input would be greatly appreciated.
Garry Cramins
gc9773@batelco.com.bh
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