From owner-freebsd-net@freebsd.org Fri Oct 2 11:24:51 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D1B88A0ECF0 for ; Fri, 2 Oct 2015 11:24:51 +0000 (UTC) (envelope-from kp@vega.codepro.be) Received: from venus.codepro.be (venus.codepro.be [IPv6:2a01:4f8:162:1127::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.codepro.be", Issuer "Gandi Standard SSL CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9B4611DE4 for ; Fri, 2 Oct 2015 11:24:51 +0000 (UTC) (envelope-from kp@vega.codepro.be) Received: from vega.codepro.be (unknown [172.16.1.3]) by venus.codepro.be (Postfix) with ESMTP id 0A543B5B4; Fri, 2 Oct 2015 13:24:49 +0200 (CEST) Received: by vega.codepro.be (Postfix, from userid 1001) id 0439DFF01; Fri, 2 Oct 2015 13:24:48 +0200 (CEST) Date: Fri, 2 Oct 2015 13:24:48 +0200 From: Kristof Provost To: Sossi Andrej Cc: freebsd-net@freebsd.org Subject: Re: pf+TSO patch Message-ID: <20151002112448.GM3433@vega.codepro.be> References: <20151002100805.GL3433@vega.codepro.be> <560E5C3C.8070709@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <560E5C3C.8070709@gmail.com> X-Checked-By-NSA: Probably User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Oct 2015 11:24:51 -0000 On 2015-10-02 12:28:12 (+0200), Sossi Andrej wrote: > I have a similar problem but using ipfw. My issue is described in detail > in the attached message. You thing it is the same case? > > Thank you in advance for your reply. I think it might be a different problem. The issue with PF mostly occurs with large packets (because it's triggered by TSO). This seems to only happen with very specific packet sizes, which is quite interesting. It'd be very useful to know if this also happens with other network cards. Can you create a bug report on https://bugs.freebsd.org/bugzilla/ ? Regards, Kristof