[syslinux] Booting UDF?

Geert Stappers stappers at stappers.nl
Fri Feb 3 04:01:44 PST 2006

On Fri, Feb 03, 2006 at 11:24:54AM +0100, iSteve wrote:
> Greetings,
> I wonder whether there are any plans to build udflinux or the likes. 
> I've searched through the mailing list, finding out that should I create 
> a mixed ISO9660/UDF filesystem.

Is that the thread from 17 november 2005 ?

> Unfortunately, that is not an option if I want to use a significant 
> feature of UDF filesystem, which is writing. Making a mixed ISO9660/UDF, 
> using mkisofs -udf, will (to my best knowledge) not allow me to perform 
> any writing. Creating the UDF filesystem using mkudffs does, however, it 
> doesn't keep the ISO9660 part, therefore I can no longer boot it.
> I wonder what should I do? With mkisofs, I cannot write; with mkudffs, I 
> apparently cannot boot. Or is there a way out?

The E-mail thread I'm referring ended with:
On Fri, Nov 18, 2005 at 12:09:05PM -0800, H. Peter Anvin wrote:
> Jun OKAJIMA wrote:
> >
> >Yes, it is the UFD.
> >As above mentioned, UDF is an extension of ISO9660.
> >Then, current isolinux can handle UDF?
> >
> >                --- Okajima, Jun. Tokyo, Japan.
> >
> isolinux will just plain ignore UDF and try to read the disc as an
> iso9660 disc.  If your boot files are visible when the disc is mounted
> as plain iso9660 (-o norock,nojoliet), then it'll work fine.
>       -hpa

I hope that we get feed back this time.


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