Date: Tue, 9 Apr 2013 09:21:52 -0400 From: Mark Saad <nonesuch@longcount.org> To: FreeBSD Stable <freebsd-stable@FreeBSD.org> Subject: Re: Release ISO images have broken RockRidge data Message-ID: <5FD2125C-678B-4DCB-B9ED-33C0D3AB2B81@longcount.org> In-Reply-To: <5163F4D4.1090505@rdtc.ru> References: <5163F4D4.1090505@rdtc.ru>
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On Apr 9, 2013, at 7:00 AM, Eugene Grosbein <egrosbein@rdtc.ru> wrote: > Hi! > > Release ISO images located at ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/ > were generated with mkisofs until switch to makefs. For example, > ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/ISO-IMAGES/8.2/FreeBSD-8.2-RELEASE-amd64-livefs.iso > was generated with mkisofs and has correct RockRidge extended attributes. > > # isoinfo -d -R -i FreeBSD-8.2-RELEASE-amd64-livefs.iso > System id: FreeBSD > Volume id: FreeBSD_LiveFS > Volume set id: > Publisher id: The FreeBSD Project. http://www.freebsd.org/ > Data preparer id: > Application id: MKISOFS ISO 9660/HFS FILESYSTEM BUILDER & CDRECORD CD-R/DVD CREATOR (C) 1993 E.YOUNGDALE (C) 1997 J.PEARSON/J.SCHILLING > Copyright File id: > Abstract File id: > Bibliographic File id: > Rock Ridge signatures version 1 found > Rock Ridge id 'RRIP_1991A' > Eltorito validation header: > Hid 1 > Bootid 88 (bootable) > > This image may be unrolled correctly with respect to hardlinks using xorriso command from ports: > > # xorriso -for_backup -load volid \* -indev ../FreeBSD-8.2-RELEASE-amd64-livefs.iso -osirrox on -- -extract / livefs -rollback_end > > Newer images (8.3 and later) were generated using makefs that seem to produce incorrect RockRidge data: > > # isoinfo -d -R -i FreeBSD-8.4-BETA1-amd64-livefs.iso | grep id > System id: NetBSD > Volume id: FREEBSD_LIVEFS > Volume set id: > Publisher id: > Data preparer id: > Application id: > Copyright File id: > Abstract File id: > Bibliographic File id: > Rock Ridge signatures version 1 found > Rock Ridge id 'IEEE_P1282' > Eltorito validation header: > Hid 1 > Bootid 88 (bootable) > > Same xorriso command produces tons of following error messages and unrolls the image > without respect to hardlinkg increasing size in nearly 3 times: > > libisofs: WARNING : Invalid TF entry > Caused by: Wrong or damaged RR entry > > bsdtar from 8.3-STABLE shows lots of errors too, while extracting FreeBSD-8.4-BETA1-amd64-livefs.iso > mdconfig breaks hardlinks too. > > Is it possible to unroll this image respecting hardlinks? > > Eugene Grosbein > While not the same you can always do this mdconfig -a -t vnode -f yourfreebsd-version.iso mount -t cd9660 /dev/md0 /cdrom Then use pax, cpio , cp, rsync etc to copy the data off the image . Also if memory serves me right libarchive may be able to unpack an iso much like a tar or cpio archive . Double check that . Also makefs was imported from netbsd I would see if netbsd's isos have the same issues . Hope this helps --- Mark saad | mark.saad@longcount.org
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