From owner-freebsd-questions  Thu Jul 16 14:38:25 1998
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Date: Thu, 16 Jul 1998 14:38:07 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: Gregory Sutter <gsutter@pobox.com>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: PPP causes sio1 buffer overflows
In-Reply-To: <19980714175440.A3342@notabene.zer0.org>
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On Tue, 14 Jul 1998, Gregory Sutter wrote:

> PPP on my lil' server box causes many sio1 buffer overflows.  It's 
> user PPP, everything else works fine, and this problem has been
> observed both with the 2.2.5 ppp and Brian's 980711 build.  Here is
> some logfile from /var/log/messages:
> 
> Jul 14 17:26:39 notabene /kernel: sio1: 689 more tty-level buffer overflows (tot
> al 12366)

This one's interesting:

> Jul 14 17:26:43 notabene /kernel: sio1: 30 more interrupt-level buffer overflows
>  (total 30)

Your el Generic modem sucks rocks OR  you have flow control misconfigured.
Internal modems don't use the system UART.

> FreeBSD 2.2.5-STABLE
> AMD 486DX4-120
> Biostar 486 PCI/ISA MB, model 8433UUD, UMC 8663/8667 communications
> 	chipset (16550 UART serials)
> El Generic 33.6 jumpered modem


Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major


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