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Date:      Wed, 12 Sep 2012 23:19:10 +0000
From:      "Li, Qing" <qing.li@bluecoat.com>
To:        Vijay Singh <vijju.singh@gmail.com>, Gleb Smirnoff <glebius@freebsd.org>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, Dominic Blais <dblais@interplex.ca>
Subject:   RE: kernel: arpresolve: can't allocate llinfo for 65.59.233.102
Message-ID:  <B143A8975061C446AD5E29742C53172301742F6F@pwsvl-excmbx-03.internal.cacheflow.com>
In-Reply-To: <CALCNsJTpOcQS8%2BFyvuHf01Tg5NquHSCQUv6KrEhJXfeS4jXiCQ@mail.gmail.com>
References:  <2DE61B0869B7484997BCA012845482C7EBE62DDD88@WIN2008.Domnt.abi.ca> <20120910140300.GV44854@FreeBSD.org> <2DE61B0869B7484997BCA012845482C7EBE62DDDAE@WIN2008.Domnt.abi.ca> <20120911142355.GM44854@glebius.int.ru> <2DE61B0869B7484997BCA012845482C7EBE62DDDB5@WIN2008.Domnt.abi.ca> <CAJ-VmomU7kQOHY1j0VE5%2B3jsmD%2Bh5r_ZPDCdqydAaYSCVZrv1A@mail.gmail.com> <CALCNsJSo1PEPrB9tQ7H%2BA9NLOaKtCQkEh70Yhs4wtNhcOcpBRQ@mail.gmail.com> <20120911195836.GQ44854@FreeBSD.org> <CALCNsJTpOcQS8%2BFyvuHf01Tg5NquHSCQUv6KrEhJXfeS4jXiCQ@mail.gmail.com>

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>=20
> > V>
> > V> Could this be
> http://svnweb.freebsd.org/base/head/sys/netinet/in.c?r1=3D226120&r2=3D226=
22
> 4&pathrev=3D226331
> >
> > Why do you suspect this one?
>=20
> I was hitting a similar issue in 8.2. After down/up on the interface
> to the default gateway, I saw this message and arpresolve would never
> complete. I was able to step through gdb to see that the RTF_GATEWAY
> check was causing the problem.
>=20

Do you have more specific information, e.g., the IP address that ARP was
trying to resolve, and the route entry key the validation was performed
against ?

It's not clear from the above why the check would fail. As far as I can
tell this commit should not break the interface route check for L2
operations.

If anything I'd be suspecting=20

http://svnweb.freebsd.org/base?view=3Drevision&revision=3D222143

However, I need more information to get a better understanding
on what failed in your case.

--Qing




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