From mboxrd@z Thu Jan 1 00:00:00 1970 From: Denys Fedoryshchenko Subject: Re: Bug, kernel panic, NULL dereference , =?UTF-8?Q?cleanup=5Fonc?= =?UTF-8?Q?e=20/=20icmp=5Froute=5Flookup=2Eclone=2E=31=39=2Eclone=20/=20na?= =?UTF-8?Q?t=20=2C=20=32=2E=36=2E=33=39-rc=37-git=31=31?= Date: Wed, 18 May 2011 15:46:07 +0300 Message-ID: <4ae96506c000a4b3c8f78ccef836deaf@visp.net.lb> References: <54ec5cd14e5e5c76aa06c2e6899299ce@visp.net.lb> <41a1892fed59b411bb08d3ecb0d8cda5@visp.net.lb> <1305711471.2983.27.camel@edumazet-laptop> <0a630bbf006d1210220a6ba4d55c5804@visp.net.lb> <1305713111.2991.1.camel@edumazet-laptop> <1305719047.2991.4.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: To: Eric Dumazet Return-path: Received: from rev-153-13.globalproof.net ([194.146.153.13]:59515 "EHLO hosting.visp.net.lb" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S933074Ab1ERMqJ (ORCPT ); Wed, 18 May 2011 08:46:09 -0400 In-Reply-To: <1305719047.2991.4.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 18 May 2011 13:44:07 +0200, Eric Dumazet wrote: > Le mercredi 18 mai 2011 =C3=A0 12:05 +0200, Eric Dumazet a =C3=A9crit= : >> Le mercredi 18 mai 2011 =C3=A0 12:53 +0300, Denys Fedoryshchenko a =C3= =A9crit=20 >> : >> >> > Yes, i will try. I should enable SLUB debugging only, or also=20 >> anything >> > else? >> > >> > But possible it will take time to reproduce bug, seems it is=20 >> occuring >> > rare. With 2.6.39 release i will rollout update to few hundreds=20 >> PPPoE's, >> > maybe it will increase chances to get information. >> > >> >> I would try both : slub_debug=3DZFP slub_nomerge >> >> or maybe only slub_debug=3DZFPU >> >> Thanks ! >> > > Hmm, do you have both ipv6/ipv4 trafic on your machine by any chance=20 > ? It is NAS, has ipv6 enabled recently (i am preparing for ipv6), but=20 ipv6 is not routed anywhere, maybe just automatically addresses=20 appearing on interfaces, including the one looking to customer subnet.= =20 ppp is ipv4 only.