From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarek Poplawski <jarkao2@gmail.com>
Subject: Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at
 lib/dma-debug.c:902 check_sync)
Date: Sun, 24 Jan 2010 00:21:33 +0100
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Cc: David Miller <davem@davemloft.net>,
	Stephen Hemminger <shemminger@linux-foundation.org>,
	akpm@linux-foundation.org, flyboy@gmail.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	Michael Chan <mchan@broadcom.com>,
	Don Fry <pcnet32@verizon.net>,
	Francois Romieu <romieu@fr.zoreil.com>,
	Matt Carlson <mcarlson@broadcom.com>
To: Michael Breuer <mbreuer@majjas.com>
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On Fri, Jan 22, 2010 at 06:50:21PM -0500, Michael Breuer wrote:
> When the packets were dropped, there was a different sequence in the
> log - DISCOVER/OFFER repeated. The "normal" is that the sequence
> appeared correct and complete - DISCOVER/OFFER/REQUEST/ACK - or
> INFORM/ACK (vs. INFORM repeatedly sans ACK) as the case may be.

Anyway, I'd be intersted if the switch matters here.

Plus one more test: could you try to load sky2 with the parameter:
"copybreak=1" (the rest as in any recent test, which gave you dmar
errors; any switch).

Thanks,
Jarek P.