From owner-freebsd-net@FreeBSD.ORG  Sat Jun 16 19:22:11 2012
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From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
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Date: Sat, 16 Jun 2012 19:21:37 +0000
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References: <4DB47CE1.8@frasunek.com> <4DB487D2.7030104@rdtc.ru>
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To: Przemyslaw Frasunek <venglin@freebsd.lublin.pl>
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Cc: freebsd-net@FreeBSD.org, Gleb Smirnoff <glebius@FreeBSD.org>,
	Eugene Grosbein <egrosbein@rdtc.ru>, Mike Tancsa <mike@sentex.net>
Subject: Re: mpd5/Netgraph issues after upgrading to 7.4
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On 15. Jun 2012, at 21:57 , Przemyslaw Frasunek wrote:

>> I suspect this isn't related to netgraph, but to IPv6 since =
prelist_remove()
>> is found in netinet6/nd6_rtr.c.
>>=20
>> Several times I looked into ND code and found lots of race prone code =
there.
>> May be some was recently fixed by bz@, but definitely not merged to =
stable/8.
>=20
> Thanks a lot guys. For now, I disabled IPv6 on this BRAS. Let's see if =
it's
> going to help.

It will, as there are no fixes in the tree yet for this issue.

/bz

--=20
Bjoern A. Zeeb                                 You have to have visions!
   It does not matter how good you are. It matters what good you do!