From owner-freebsd-mobile  Sun Nov 19 18:58:20 2000
Delivered-To: freebsd-mobile@freebsd.org
Received: from kermodei.com (kermodei.com [216.103.110.74])
	by hub.freebsd.org (Postfix) with ESMTP id 9ED7937B479
	for <freebsd-mobile@FreeBSD.ORG>; Sun, 19 Nov 2000 18:58:17 -0800 (PST)
Received: (from markd@localhost)
	by kermodei.com (8.9.3/8.9.3) id SAA99399;
	Sun, 19 Nov 2000 18:58:12 -0800 (PST)
	(envelope-from markd@Kermodei.com)
From: Mark Diekhans <markd@Kermodei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-ID: <14872.37687.827909.398015@osprey.Kermodei.Com>
Date: Sun, 19 Nov 2000 18:57:59 -0800
To: nate@yogotech.com (Nate Williams)
Cc: freebsd-mobile@FreeBSD.ORG
Subject: Re: PCMCIA modems locking up system under 4.1.1
In-Reply-To: <14872.35306.357071.444755@nomad.yogotech.com>
References: <200011190851.AAA97559@kermodei.com>
	<14872.1741.13164.291719@nomad.yogotech.com>
	<200011200204.SAA99300@kermodei.com>
	<14872.35306.357071.444755@nomad.yogotech.com>
X-Mailer: VM 6.80 under Emacs 20.7.5
Sender: owner-freebsd-mobile@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org

Nate Williams <nate@yogotech.com> writes:
> > Hmm, spoke too soon.  After the modem worked for hours, it lockup
> > up the system twice in a few minutes (on IRQ 7, which I am 99% is
> > not in use).
> 
> Ejecting the card, or you had a lockup of the system?  If the latter,
> how do you know the modem caused it?

No, not ejecting the card; but accessing the network over the modem.
I don't know 100%; but I have never had a lockup when the modem was
not in the machine and it generally seems to be associated with some kind
of modem activity.  Other that this, they system is rock solid.

 
> The modem won't work at all reliably in PIO mode.  The interrupt load is
> difficult enough to keep up with in non-polled mode.  If you polled the
> modem, you'd have so many overflows as to be useless.

Ok; thought it might be an interesting experiment.
 
> Or, are you talking about the PCIC controller (which generates
> insertion/removal event)?

Hmm, might be a worth while experiment; at least would give me another IRQ to
try.  Is it enabled by setting the PCIC IRQ to 0?

Any other ideas on how to isolate this appreciated.

many thanks,
Mark


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-mobile" in the body of the message