Date: Tue, 15 Apr 1997 22:18:21 -0700 (PDT) From: Doug White <dwhite@gdi.uoregon.edu> To: The Hermit Hacker <scrappy@hub.org> Cc: questions@freebsd.org Subject: Re: Exhausting modem problems ... Message-ID: <Pine.BSF.3.96.970415221520.13247I-100000@localhost> In-Reply-To: <Pine.NEB.3.96.970415150420.219R-100000@thelab.hub.org>
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On Tue, 15 Apr 1997, The Hermit Hacker wrote: > Just over a month ago, I upgraded my systems modem from an > external 28.8 to an internal 33.6. The modem is called a Magitronic > and that's about all I know about it. Standard modem manual comes with > it... Good -> cheap. You couldn't upgrade the external? Most manufacturers will upgrade you for cheap or, in the case of Supra, it's just a flash upgrade. I've seen more of this change blow up and die under FreeBSD. Face it people, internal modem flaunt the serial port standard and *won't*work*. > The problem is that it randomly hangs. It doesn't hang up or > anything, it just sits there and no data goes across the link :( El-cheapo modem! > I got the reseller to send me a new modem, which I've just installed, > and get the same 'hang'. > > I've tried looking into the modem settings, and there really doesn't > seem to be anything there that seems, to me, out of the ordinary. Hardware > flow control is on, DTE is set at 115200, connection comes up clean, or so > it seems... > > So, I figure I'm down to a general problem with my provider (Netcom.ca, > whom I wouldn't quite consider close to problem free in the first place...but > I *never* had a problem with my 28.8 modem...) or with FreeBSD... El-cheapo modem! > Someone once mentioned that FreeBSD 'triggers' the FIFOs very high > in comparison to something like Windows, so I may be getting buffer overflows > that it can't recover from...but I get nothing in /var/log/messages that I > would expect to back this up... > > Can anyone suggest what I might want to look into to determine which > end of the connection is having the problems? All I know now is that no > packets are getting through. Get rid of your internal and upgrade your external? :) I have *never* trusted internals. I can't watch their lights and make sure they aren't doing evil things behind my back. As you can tell, I'm touchy about this. :) 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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