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Message-id: <4B5BA81B.30908@majjas.com> Date: Sat, 23 Jan 2010 20:53:31 -0500 From: Michael Breuer <mbreuer@...jas.com> To: Jarek Poplawski <jarkao2@...il.com> Cc: David Miller <davem@...emloft.net>, Stephen Hemminger <shemminger@...ux-foundation.org>, akpm@...ux-foundation.org, flyboy@...il.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Michael Chan <mchan@...adcom.com>, Don Fry <pcnet32@...izon.net>, Francois Romieu <romieu@...zoreil.com>, Matt Carlson <mcarlson@...adcom.com> Subject: Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) On 1/23/2010 6:21 PM, Jarek Poplawski wrote: > 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. > Ok - will try with and without the copybreak=1 after I'm done bisecting 2.6.33 rc5 for something unrelated (it'll take a couple of days for each unless a crash occurs in less that 48 hours). -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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