Date: Mon, 19 Apr 2010 16:58:48 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Tim Kientzle <kientzle@freebsd.org> Cc: current@freebsd.org, fs@freebsd.org Subject: Re: ISO9660 4GB directory structures boundary limit and growisofs Message-ID: <4BCC6198.4020808@icyb.net.ua> In-Reply-To: <4BC9E254.9070300__39016.1050054759$1271523997$gmane$org@freebsd.org> References: <p2l3a142e751004161607h5ea399e3p182f3c6b10fc9346@mail.gmail.com> <4BC9E254.9070300__39016.1050054759$1271523997$gmane$org@freebsd.org>
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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
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