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From: "Yoshinori K. Okuji" <okuji@enbug.org>
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To: The development of GRUB 2 <grub-devel@gnu.org>
Date: Fri, 25 Apr 2008 15:46:34 +0200
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Subject: Re: Issue with OpenSolaris kernels on GRUB2
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On Saturday 19 April 2008 13:45, Patrick Georgi wrote:
> Yet, GRUB2 differs in behaviour from GRUB legacy:
>
> GRUB first looks if the file is multiboot and an ELF image. If not, it
> looks for the aout flag, and handles the file accordingly. So in case of
> the OpenSolaris kernel, it never looks at the flag.

I think you refer to an older version of GRUB Legacy here. This behavior has 
been fixed.

> GRUB2 first looks if the flag is set and assumes the file is aout (and
> fails), and only if not, tries ELF.

This is correct, and consistent with the latest GRUB Legacy.

> I'm not sure if that change in behaviour is intended, which is why I ask
> here. If the new behaviour is to stay, making the aout parser more
> robust, and fail with a more meaningful error, might be a good idea.

Yes, I agree. There must be a bug. :)

Okuji