From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Oester Subject: Re: Memory leak in 2.6.11-rc1? Date: Sun, 30 Jan 2005 08:57:02 -0800 Message-ID: <20050130165702.GA14642@linuxace.com> References: <20050127082809.A20510@flint.arm.linux.org.uk> <20050127004732.5d8e3f62.akpm@osdl.org> <16888.58622.376497.380197@robur.slu.se> <20050127164918.C3036@flint.arm.linux.org.uk> <20050127123326.2eafab35.davem@davemloft.net> <20050128001701.D22695@flint.arm.linux.org.uk> <20050127163444.1bfb673b.davem@davemloft.net> <20050128085858.B9486@flint.arm.linux.org.uk> <20050130132343.A25000@flint.arm.linux.org.uk> <20050130153449.B25000@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: To: "David S. Miller" , Robert.Olsson@data.slu.se, akpm@osdl.org, torvalds@osdl.org, alexn@dsv.su.se, kas@fi.muni.cz, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Content-Disposition: inline In-Reply-To: <20050130153449.B25000@flint.arm.linux.org.uk> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Sun, Jan 30, 2005 at 03:34:49PM +0000, Russell King wrote: > I think the case against the IPv4 fragmentation code is mounting. > However, without knowing what the expected conditions for this code, > (eg, are skbs on the fraglist supposed to have NULL skb->dst?) I'm > unable to progress this any further. However, I think it's quite > clear that there is something bad going on here. Interesting...the gateway which exhibits the problem fastest in my area does have a large number of fragmented UDP packets running through it, as shown by tcpdump 'ip[6:2] & 0x1fff != 0'. > Why many more people aren't seeing this I've no idea. Perhaps you (and I) experience more fragments than the average user??? Nice detective work! Phil