From owner-freebsd-net@FreeBSD.ORG Thu Sep 27 19:08:08 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 08AEC16A420 for ; Thu, 27 Sep 2007 19:08:08 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.237]) by mx1.freebsd.org (Postfix) with ESMTP id A54C913C48D for ; Thu, 27 Sep 2007 19:08:07 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: by nz-out-0506.google.com with SMTP id l8so1645621nzf for ; Thu, 27 Sep 2007 12:08:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=2RABbxk93DCVy8kxuTTzEBq9gAVufX0wUPsYzD+jSB4=; b=EEmfRb0fterpltiqmismI53HfavIvLsLFUUmhDgXVoS12EYMpjnDIQuseQrLUC5fO6QFaZe0sGzk5BhvDgEFTEccd/VneKS3T13tgNAdZ7WB8ERdlbOFfwfEOpJCtYpvanNr+DyaTPlQcsWHVPO5+Ix5FkwJXzw5d7H7GDrBf4U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=ADiV8PLZzBQbd7F4UtXKIjShhXQ5BCuGocHQLpQUNJ8qoRQhBvt20fCCQcIuhn8v7eCR9seaGpEO9JhTE/Aoa8wSJqbszCHkm6PcQmhFmFHi3AdxUKMjMZA06xh8rzXTEZ8OSscenl0GSwAoy/Yx970N9xfMcK/TYPd4Q62p7Fs= Received: by 10.141.116.16 with SMTP id t16mr1097213rvm.1190920086290; Thu, 27 Sep 2007 12:08:06 -0700 (PDT) Received: by 10.141.159.3 with HTTP; Thu, 27 Sep 2007 12:08:06 -0700 (PDT) Message-ID: <9bbcef730709271208t74938933p704b554625f443ba@mail.gmail.com> Date: Thu, 27 Sep 2007 21:08:06 +0200 From: "Ivan Voras" Sender: ivoras@gmail.com To: "Kris Kennaway" In-Reply-To: <46FBF101.6080402@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <46FBE818.3020800@FreeBSD.org> <9bbcef730709271054k5cbda605wcfd44adede05614f@mail.gmail.com> <46FBF101.6080402@FreeBSD.org> X-Google-Sender-Auth: 05787ef7a51086a5 Cc: freebsd-net@freebsd.org Subject: Re: Panic in rt_check X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Sep 2007 19:08:08 -0000 On 27/09/2007, Kris Kennaway wrote: > You will need to evaluate based on other evidence. e.g. if you've > noticed other network flakiness on this machine to do with the gateway. No, I don't think there's anything like that. The panics began when I upgraded to 7-current, the machine was stable under 6-stable. It might be a coincidence or the new code is just more optimized and exposes parallelism more. > Checking mtx_initialized won't help in that case because the race is > still there. You'd need to check the places that can remove it and make > sure they are all correctly locking the route first. I can only grep...