Re: Bootable USB images (Re: using d-i to install kfreebsd-i386 from usb)
On Thu, Dec 31, 2009 at 03:12:37PM +0100, Robert Millan wrote:
> On Wed, Dec 30, 2009 at 09:39:11PM +0100, Aurelien Jarno wrote:
> > On Mon, Dec 21, 2009 at 11:37:28PM +0100, Robert Millan wrote:
> > > On Thu, Dec 17, 2009 at 01:48:10PM +0000, Thorsten Glaser wrote:
> > > > The standard (I have Ecma 119 (= ISO 9660), SUSP, RRIP and El Torito here
> > > > as PDFs, they’re “freeware”) however specifies that the first 32 KiB of
> > > > an ISO 9660 filesystem image are empty and available for, for example,
> > > > bootloaders.
> > >
> > > I found this a very interesting observation. In fact I just implemented
> > > support in GRUB to build USB-capable CD images, using this approach. You
> > > just need to dd them:
> > >
> > > $ dd if=mini.iso of=/dev/sdb
> > >
> > > You will need 1.98~20091221-1 (which I just uploaded to sid), plus attached
> > > patch.
> > >
> > > This takes advantage of the new infrastructure for bootable image generation
> > > (grub-mkrescue), which abstracts the architecture-specific GRUB setup so that
> > > you only need to worry about your grub.cfg and not about image building.
> > >
> >
> > I have tried that, but it doesn't work. It works fine when used on a
> > CD-ROM, but not when used on an hard-drive. The grub menu is shown
> > correctly, but when selecting the install entry, it freezes on
> > "Loading ...". When trying to boot using commands, it also freezes after
> > entering "kfreebsd /boot/kernel/kfreebsd.gz".
>
> Could you put that image somewhere? I'll have a look.
>
It is available on http://temp.aurel32.net/mini.iso . I tried it with
qemu (-cdrom and -hda).
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurelien@aurel32.net http://www.aurel32.net
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