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Date: Wed, 05 May 2004 15:59:26 -0600 (MDT)
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To: freebsd@newipnet.com
From: "M. Warner Losh" <imp@bsdimp.com>
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Subject: Re: Modem + Network in Xircom cards, and maybe others
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In message: <200405051746300245.2039F9A4@192.168.128.16>
            "Carlos Velasco" <freebsd@newipnet.com> writes:
: I'm patching it to activate both functions (usually modem/serial and
: network).
: Network is in xe driver, however I'm passing modem to sio.
: It works, however sio reports interrupt-level buffer overflows when I'm
: above 2400bps, losing characters, and here is where I'm lost.

I don't think you are getting interrupts like you should.

Warner