Date: Wed, 13 Aug 2008 14:25:44 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Mike Tancsa <mike@sentex.net> Cc: stable@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>, Jack Vogel <jfvogel@gmail.com> Subject: Re: HEADS UP: inpcb/inpcbinfo rwlocking: coming to a 7-STABLE branch near you Message-ID: <20080813212544.GA25915@eos.sc1.parodius.com> In-Reply-To: <200808132116.m7DLGY1f039165@lava.sentex.ca> References: <alpine.BSF.1.10.0808031142550.65130@fledge.watson.org> <alpine.BSF.1.10.0808082219360.16028@fledge.watson.org> <200808120059.m7C0xvUH028011@lava.sentex.ca> <alpine.BSF.1.10.0808121119040.86332@fledge.watson.org> <200808132034.m7DKY7wm038972@lava.sentex.ca> <alpine.BSF.1.10.0808132138170.41778@fledge.watson.org> <7.1.0.9.0.20080813164157.161ba2e8@sentex.net> <200808132116.m7DLGY1f039165@lava.sentex.ca>
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On Wed, Aug 13, 2008 at 05:16:27PM -0400, Mike Tancsa wrote: > At 04:46 PM 8/13/2008, Mike Tancsa wrote: >> At 04:41 PM 8/13/2008, Robert Watson wrote: >>> Well, it shouldn't be related, but sometimes things get tricky with >>> locking if it turns out that extra locking at one layer was masking >>> a lack of locking at another. Let's try to diagnose this one a bit >>> more before concluding that is the case, though. I take that the >>> same problems don't happen if you boot a vanilla version of the same >>> rev of the kernel? What command did you use to generate the list at >>> the bottom of your e-mail? >> >> >> Hi Robert, >> the arp messages were a snippet from just arp -na. All of >> those IP addresses are local to the box. I am just doing a cvsup to >> the same point in time and am rebuilding the kernel. > > Actually, it looks like its unrelated to your changes. I just did a full > cvsup, and am getting that strange proxy arp stuff and again, the > incomplete arp messages.... > > > % arp -na| grep inc > ? (64.7.153.9) at (incomplete) on em1 [ethernet] > ? (64.7.153.9) at (incomplete) on em1 [ethernet] > ? (64.7.153.9) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.19) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.19) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.19) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.19) at (incomplete) on em1 [ethernet] > ? (64.7.153.20) at (incomplete) on em1 [ethernet] > ? (64.7.153.20) at (incomplete) on em1 [ethernet] > ? (64.7.153.20) at (incomplete) on em1 [ethernet] > ? (64.7.153.20) at (incomplete) on em1 [ethernet] > ? (64.7.153.20) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.21) at (incomplete) on em1 [ethernet] > ? (64.7.153.24) at (incomplete) on em1 [ethernet] > ? (64.7.153.25) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.25) at (incomplete) on em1 [ethernet] > ? (64.7.153.25) at (incomplete) on em1 [ethernet] > ? (64.7.153.25) at (incomplete) on em1 [ethernet] > ? (64.7.153.25) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 published (proxy only) [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.26) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (64.7.153.27) at (incomplete) on em1 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 published (proxy only) [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > ? (199.212.134.1) at (incomplete) on em0 [ethernet] > > I will try a kernel before the em changes, as thats the only other thing > I can think of off the top of my head. That almost looks like some kind of ARP storm, sans repetitive entries (that definitely looks odd). Does tcpdump on em1 show a particular machine or router demanding MACs for 64.7.153.0/24 (or whatever the block is)? Adding Jack Vogel to this, since it could be em(4)-related. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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