From owner-freebsd-hackers@FreeBSD.ORG  Tue Feb 13 06:55:13 2007
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Date: Mon, 12 Feb 2007 23:52:52 -0700 (MST)
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To: rick-freebsd@kiwi-computer.com
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-hackers@freebsd.org, dr2867@pacbell.net
Subject: Re: PING: Someone on the core team. (Modem Problem)
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In message: <20070209200958.GA50431@keira.kiwi-computer.com>
            "Rick C. Petty" <rick-freebsd@kiwi-computer.com> writes:
: Not strange at all, FreeBSD does support shared IRQs.  However, the sio
: device does NOT support shared IRQs.

Yes.  Sio does support shared IRQs.  However, the problem is that the
non-fast ISR has to register first..  IF it gets the IRQ first, then
bad things happen...

Warner