On Sat, Jul 18, 2009 at 09:17:41PM +0200, Robert Millan wrote: > On Sat, Jul 18, 2009 at 09:01:38PM +0200, Vladimir 'phcoder' Serbinenko wrote: > > On Sat, Jul 18, 2009 at 8:45 PM, Robert Millan<r...@aybabtu.com> wrote: > > > I might be missing something about this check, but GRUB doesn't require > > > that > > > the boot flag is present. Therefore, its non presence doesn't imply this > > > is > > > not a real msdos label. > > > > He refers to boot flag as a byte in msdos structure which can only be > > 0x00 (not set) or 0x80 (set) > > Yes. GRUB's boot.img doesn't do anything with it AFAICT.
That's as may be, sure; but checking that that byte is one of the two permitted values in all four partitions happens to be a good sanity check for whether it's really an MS-DOS label or in fact something else. -- Colin Watson [cjwat...@ubuntu.com] _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
