From owner-freebsd-pf@freebsd.org Thu Oct 1 07:08:02 2015 Return-Path: Delivered-To: freebsd-pf@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 62293A0CDBC for ; Thu, 1 Oct 2015 07:08:02 +0000 (UTC) (envelope-from kp@FreeBSD.org) 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 285621B9F for ; Thu, 1 Oct 2015 07:08:02 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from [192.168.1.238] (unknown [193.12.234.195]) by venus.codepro.be (Postfix) with ESMTPSA id 3C0F2B0DD; Thu, 1 Oct 2015 09:07:58 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) Subject: Re: PF appears to lock up a machine with a large number of jails From: Kristof Provost In-Reply-To: Date: Thu, 1 Oct 2015 09:07:57 +0200 Cc: freebsd-pf@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <8ACD4B80-D6F4-4811-9B28-F48544944214@FreeBSD.org> References: To: Felix Gallo X-Mailer: Apple Mail (2.3094) X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Oct 2015 07:08:02 -0000 > On 01 Oct 2015, at 03:06, Felix Gallo wrote: >=20 > SITUATION 2. >=20 > I then realized that I had TSO enabled on the interface, which seems = to > interact very badly with pf. So I disabled it and started creating = the > jails again. Again, it hung the box, but this time seemed to take a = lot > longer to do so (over 100 jails created). I=E2=80=99m currently looking at the TSO problem with pf. I think I understand the problem, and it=E2=80=99s limited to bad = checksums. It shouldn=E2=80=99t trigger panics. I=E2=80=99ve added the lockup with jails to my (ever growing) todo list. Can you create a PR for this? Regards, Kristof