Date: Tue, 21 Mar 2017 11:54:46 -0500 (CDT) From: "Valeri Galtsev" <galtsev@kicp.uchicago.edu> To: "Polytropon" <freebsd@edvax.de> Cc: galtsev@kicp.uchicago.edu, byrnejb@harte-lyne.ca, freebsd-questions@freebsd.org Subject: Re: Unable to create bootable dvd Message-ID: <53458.128.135.52.6.1490115286.squirrel@cosmo.uchicago.edu> In-Reply-To: <20170321173830.a98fe393.freebsd@edvax.de> References: <fa923d4a19e727e2093b3f23a6a79e9b.squirrel@webmail.harte-lyne.ca> <19840.128.135.52.6.1490113056.squirrel@cosmo.uchicago.edu> <20170321173830.a98fe393.freebsd@edvax.de>
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On Tue, March 21, 2017 11:38 am, Polytropon wrote: > On Tue, 21 Mar 2017 11:17:36 -0500 (CDT), Valeri Galtsev wrote: >> >> On Tue, March 21, 2017 11:04 am, James B. Byrne wrote: >> > On Mon, March 20, 2017 14:32, Valeri Galtsev wrote: >> >> My hunch is: option "-dvd-compat" screws things up making it not >> > bootable. >> >> That option is only relevant to creation of video DVD ROMs >> >> (main goal of it is re-arrange the track so that table of >> >> contents files are the first onces along the track - which >> >> is necessary in stand alone DVD players). >> >> I do use this command all the time to burn bootable media >> >> (FreeBSD, CentOS, Debian, Ubuntu...) and all of them work >> >> well for me. I do not use "-speed" option, but it shouldn't >> >> matter, and using slowest speed as you specify may help getting >> >> best possible quality of burn result. Anyway, >> >> here is command line from my command history: >> >> growisofs -Z >> >> /dev/dvd=/data/system-media/debian-8.6.0-amd64-i386-netinst.iso >> >> I hope, this helps. >> >> Valeri >> > >> > I created multiple dvds, some with and some without -dvd-compat and >> > -speed=1. There was no apparent difference in effect. I had similar >> > problems with usb flash media. Funnily enough I had no problem with >> > either medium if I used FreeBSD-10.3 images. >> >> Aha, then I was wrong about -dvd-compat screwing it up when you burn >> image, not a collection of files... You learn something every day; >> thanks >> for sharing. > > I've been using -dvd-compat in combination with image files > and never had a problem with booting (live system image ISOs). > In "man growisofs", one of the examples explicitely reads: > > To use growisofs to write a pre-mastered ISO-image to a DVD: > > growisofs -dvd-compat -Z /dev/dvd=image.iso > > So this seems to be the correct usage... > Right. Indeed, according to man page -dvd-compat just makes disk with maximum compatibility with DVD-ROM/Video disks (aka "pressed" DVDs). I have confused this option when I said "my hunch is..." with an option "-dvd-video" of mkisofs command. It is "mkisofs -dvd-video..." that re-arranges TOC files to have them be first in the created track (stream...) It's been a long time since I composed DVDs ;-( Valeri > > > > > -- > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++
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