Date: Fri, 15 Jun 2012 16:50:18 -0400 From: Mike Tancsa <mike@sentex.net> To: Gleb Smirnoff <glebius@freebsd.org> Cc: Przemyslaw Frasunek <venglin@freebsd.lublin.pl>, Eugene Grosbein <egrosbein@rdtc.ru>, freebsd-net@freebsd.org Subject: Re: mpd5/Netgraph issues after upgrading to 7.4 Message-ID: <4FDBA00A.7010502@sentex.net> In-Reply-To: <20120615203142.GW28613@glebius.int.ru> References: <4DB47CE1.8@frasunek.com> <4DB487D2.7030104@rdtc.ru> <4DB48B76.8050101@frasunek.com> <4DB49109.3050002@frasunek.com> <20110425050548.GF34767@glebius.int.ru> <4DBBBAD8.2000705@frasunek.com> <20110513162311.GK95084@glebius.int.ru> <4DD298AD.2060905@frasunek.com> <20110517184613.GN74366@glebius.int.ru> <4FDB1D71.6050908@freebsd.lublin.pl> <20120615203142.GW28613@glebius.int.ru>
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On 6/15/2012 4:31 PM, Gleb Smirnoff wrote: > On Fri, Jun 15, 2012 at 01:33:05PM +0200, Przemyslaw Frasunek wrote: > P> unfortunately, one of my mpd5 PPPoE access servers started panicing every few > P> hours. > P> > P> I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and > I suspect this isn't related to netgraph, but to IPv6 since prelist_remove() > is found in netinet6/nd6_rtr.c. > > 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. There were a bunch of commits / fixes by BZ on the 5th of June. Perhaps try updating to RELENG_8 as of today. If you are not using IPv6, perhaps disable for a day to see if that makes a difference stability wise ? It did for me back in Nov when running with v6 on an LNS was not stable. http://lists.freebsd.org/pipermail/svn-src-stable-8/2012-June/007555.html ---Mike > -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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