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Date: Wed, 13 Oct 2004 16:23:18 -0700
From: Bruce M Simpson <bms@spc.org>
To: Robert Watson <rwatson@freebsd.org>
Message-ID: <20041013232318.GN718@empiric.icir.org>
References: <16749.29947.220930.46409@jerusalem.litteratus.org>
	<Pine.NEB.3.96L.1041013162621.84384S-100000@fledge.watson.org>
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cc: Robert Huff <roberthuff@rcn.com>
cc: current@freebsd.org
Subject: Re: network slowness/freez-up since update 10/11
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On Wed, Oct 13, 2004 at 04:27:22PM -0400, Robert Watson wrote:
> There appears to bea problem with if_de cards and Giant-free operation.
> I'm working with John Baldwin to try and diagnose it.  Could you try
> putting debug.mpsafenet=0 in /boot/loader.conf and reboot to confirm that
> this is what's going on?

The de(4) driver is a bit of a mess as regards locking.
I had a look at this back in June/July but no longer have the hardware.
It would probably be best to bring it under IFF_NEEDSGIANT.

BMS