From owner-freebsd-current@FreeBSD.ORG Tue Nov 6 18:16:42 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 46D1316A419 for ; Tue, 6 Nov 2007 18:16:42 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.176]) by mx1.freebsd.org (Postfix) with ESMTP id 1B06513C4B2 for ; Tue, 6 Nov 2007 18:16:42 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so2619880waf for ; Tue, 06 Nov 2007 10:16:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=mxm6OuFPAnKO3Dm0taeUmMoudmYYfVw0pnxNbgBvvUM=; b=P+bF7Ar+HbcpSCj4+PvdYR2XQcG5qV9gXTQ5DYaNzyPV/vogtyliCoXgqZlE4s4J6EeCOkagWPK3XnMpxnOuMhV8/u8+dkpoYmPrL7EjVCUUhf7pA9ibtcT2qnfH7lBIEsjj/vQOBjrAaCuLgRpLN05MCVmpeAMRTbqnWBhkQaM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=mwaesQmgVVSIPiuQM//R+Lxc/HwGJngUqDyflu9bR83BGxBi6ElT39Ex7eClCP42SpwHINzFZlANfq9RraBuAqCoRflgSIMok8YEpaaMhvrj22DRQTyGQ0ddgvmftKWmXcnAqu3ARGs/fEj5O5vNqyNw8O/ISAYjB4dyUUiVEOc= Received: by 10.114.201.1 with SMTP id y1mr6713408waf.1194372957628; Tue, 06 Nov 2007 10:15:57 -0800 (PST) Received: by 10.114.13.15 with HTTP; Tue, 6 Nov 2007 10:15:57 -0800 (PST) Message-ID: Date: Tue, 6 Nov 2007 10:15:57 -0800 From: "Kip Macy" To: "Per olof Ljungmark" In-Reply-To: <4730AA30.7090607@intersonic.se> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <472B1E89.5080006@moneybookers.com> <47303578.8060703@moneybookers.com> <4730AA30.7090607@intersonic.se> Cc: freebsd-current@freebsd.org, Stefan Lambrev Subject: Re: rtfree: 0xc741ee88 has 1 refs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Nov 2007 18:16:42 -0000 On 11/6/07, Per olof Ljungmark wrote: > Stefan Lambrev wrote: > > Hi, > > > > Sorry to reply to myself, but I found that the problem exist only if the > > GW is carp interface, e.g. 10.1.1.1 sits on carp0 on default GW. > > I'm still testing how to reproduce this in my test lab and will fill a PR. > > > > Stefan Lambrev wrote: > >> Hi, > >> > >> I see rtfree: 0xc741ee88 has 1 refs with freebsd releng_7 (i386) from > >> today. > >> > >> I think it's easy reproducible. What I have is: > >> > >> releng_7 (10.1.1.2) -> default GW (10.1.1.1) > >> on default GW I have route to 10.10.1.1/24 -> 10.1.1.3 > >> > >> so everytime when 10.1.1.2 try to contact someone from 10.10.1.1/24 I > >> see: > >> rtfree: 0xc741ee88 has 1 refs > >> > >> if I add direct route on 10.1.1.2 to 10.10.1.1/24 through 10.1.1.3 the > >> message will go away. > >> > >> Should I ignore this msg for now, or should I expect kernel panic > >> soon? :) > > Just FYI, I see this on a few boxes including the 7-BETA2 I'm writing > this on. None of them has a carp interface though. What I find > interesting here is that none of them are able to run a SMP kernel > without crashing (no panic, they're just frozen completely). > > Perhaps it is a coincidence, I don't know, but I am very interested in > your findings and have testbeds if you need. > The warning is mostly harmless. It means that rtfree is being called where RTFREE_LOCKED should be used. Adding a kdb_backtrace() should track it down for you. -Kip