Re: [PATCH] a.out support for multiboot and freebsd

[walt <wa1ter@myrealbox.com>]

walt wrote:
> On Fri, 2008-02-15 at 22:14 +0800, Bean wrote:
>> On Fri, Feb 15, 2008 at 9:29 PM, walt<wa1ter@myrealbox.com>  wrote:
>>>   I made a small openbsd image to send you, but it works perfectly with
>>>   your g2ldr so there's no point in sending it :o)  I think that problem
>>>   is not worth your time or mine.
>> BTW, how big is your ufs partition ? I have tested FreeBSD 6.3, NetBSD
>> 4.0 and OpenBSD 4.2 in a 1G virtual disk, they all seems ok, perhaps
>> if the disk is larger, the problem would occur.
>
> Hah!  I think I found the problem.  I just noticed that gparted calls my
> openbsd/ufs partition an *ext2* filesystem!  I seem to recall similar
> messages from other fs utility programs about the magic number being
> for ext2 even though it's really ufs.  This is probably a leftover
> magic number from an earlier linux or such.
>
> I haven't found any way to change just the magic number instead of
> deleting the partition and starting over.  Do you know of an easy
> way to do it?  I could use a hex disc editor but I don't know where
> the magic number is, exactly.

Never mind, I found the magic number and changed it.  Now I don't see
any complaints about ext2 or a bad magic number, but grub2 still can't
read any directory but / on my openbsd partition.  I'll go back to
saying that this particular problem isn't worth more of your time or mine.
(But I do learn a lot by chasing these bugs even if I can't fix them :o)