Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754185AbYAAMEg (ORCPT ); Tue, 1 Jan 2008 07:04:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753227AbYAAME0 (ORCPT ); Tue, 1 Jan 2008 07:04:26 -0500 Received: from rhun.apana.org.au ([64.62.148.172]:1628 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753196AbYAAMEZ (ORCPT ); Tue, 1 Jan 2008 07:04:25 -0500 Date: Tue, 1 Jan 2008 23:04:07 +1100 From: Herbert Xu To: Torsten Kaiser Cc: Andrew Morton , linux-kernel@vger.kernel.org, Neil Brown , "J. Bruce Fields" , netdev@vger.kernel.org, Tom Tucker Subject: Re: 2.6.24-rc6-mm1 Message-ID: <20080101120406.GA27209@gondor.apana.org.au> References: <20071222233056.d652743e.akpm@linux-foundation.org> <64bb37e0712230827m7d368e2l3174f3b4396d09c1@mail.gmail.com> <64bb37e0712281453y4aac82b7h7acc8ec314ca6e3e@mail.gmail.com> <20071228150746.42b3bbc0.akpm@linux-foundation.org> <64bb37e0712290851r6d41768dk270e47884713a3de@mail.gmail.com> <20071230013021.GA13603@gondor.apana.org.au> <64bb37e0712291934o77a3d365h56c9c31ac8437469@mail.gmail.com> <64bb37e0712311215x519b10e9kd51eb745b3b7290a@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <64bb37e0712311215x519b10e9kd51eb745b3b7290a@mail.gmail.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1260 Lines: 31 On Mon, Dec 31, 2007 at 09:15:19PM +0100, Torsten Kaiser wrote: > > I then tried to "fix" it with this suspect. > I changed "skb_release_all(dst);" back to "skb_release_data(dst);" in > skb_morph() (net/core/skbuff.c). Check /proc/net/snmp to see if you're getting any fragments, if not then skb_morph shouldn't even be getting called. > I'm now at 205 of 210 packages completed without a further hang. I > also do not see an obvious memory leak. In any case, I suspect the cause of your problem is that somebody somewhere is doing a double-free on an skb. Since you're the only person who can reproduce this, we really need your help to track this down. Since bisecting the mm tree is not practical, you could start by checking whether the bug is in mm only or whether it affects rc6 too. Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/