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


From: walt
Subject: Re: [PATCH] a.out support for multiboot and freebsd
Date: Fri, 15 Feb 2008 17:00:33 -0800
User-agent: Thunderbird 3.0a1pre (X11/2008021503)

walt wrote:
On Fri, 2008-02-15 at 22:14 +0800, Bean wrote:
On Fri, Feb 15, 2008 at 9:29 PM, walt<address@hidden>  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)





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