Thread (98 messages) 98 messages, 9 authors, 2012-01-22

Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync)

From: Michael Breuer <hidden>
Date: 2010-01-24 01:53:43
Also in: lkml

On 1/23/2010 6:21 PM, Jarek Poplawski wrote:
On Fri, Jan 22, 2010 at 06:50:21PM -0500, Michael Breuer wrote:
   
quoted
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).
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