Messages in this thread | | | Date | Fri, 22 Jan 2010 18:50:21 -0500 | From | Michael Breuer <> | Subject | Re: Hang: 2.6.32.4 sky2/DMAR (was [PATCH] sky2: Fix WARNING: at lib/dma-debug.c:902 check_sync) |
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On 1/22/2010 6:46 PM, Jarek Poplawski wrote: > On Fri, Jan 22, 2010 at 06:25:12PM -0500, Michael Breuer wrote: > > > You wrote earlier: > >> [...] Also, there is always a dhcp exchange of some sort >> preceding the event. >> > So, I'm not sure there was "3) Normal DHCP traffic." if the switch > could drop DHCP packets in some buggy conditions. Anyway, let's try > the new one with really "3) Normal DHCP traffic.", I hope. > > Jarek P. > 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.
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