From owner-freebsd-fs@FreeBSD.ORG Mon Apr 19 13:58:51 2010 Return-Path: Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5DD41106566C; Mon, 19 Apr 2010 13:58:51 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 2886C8FC14; Mon, 19 Apr 2010 13:58:49 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id QAA28335; Mon, 19 Apr 2010 16:58:48 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4BCC6198.4020808@icyb.net.ua> Date: Mon, 19 Apr 2010 16:58:48 +0300 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.24 (X11/20100319) MIME-Version: 1.0 To: Tim Kientzle References: <4BC9E254.9070300__39016.1050054759$1271523997$gmane$org@freebsd.org> In-Reply-To: <4BC9E254.9070300__39016.1050054759$1271523997$gmane$org@freebsd.org> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: current@freebsd.org, fs@freebsd.org Subject: Re: ISO9660 4GB directory structures boundary limit and growisofs X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Apr 2010 13:58:51 -0000 on 17/04/2010 19:31 Tim Kientzle said the following: > Paul B Mahol wrote: >> >> It is apparently not possible to make use of -use-the-force-luke=4gms >> on FreeBSD when appending new session after 4GB. Mounted disk >> afterwards show nothing. >> >> Should we allow it like linux does? > > Are you claiming there is a problem when FreeBSD reads such > images or a problem with creating such images? What > programs are you using? > > This sounds like a pretty unsurprising 32-bit truncation > bug: the filesystem structures in ISO9660 are all sector > numbers so 8TB should be the natural limit (4G sectors > times 2k bytes/sector). I don't think that the problem is with limit on sector count here. I think it's a limitation with size/offset in bytes somewhere in cd9660 fs driver. -- Andriy Gapon