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Re: grub-mkrescue: Problem with MBR partition table at start of EFI part
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From: |
pelzflorian (Florian Pelz) |
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Subject: |
Re: grub-mkrescue: Problem with MBR partition table at start of EFI partition |
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Date: |
Sat, 15 Jun 2019 08:01:58 +0200 |
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User-agent: |
NeoMutt/20180716 |
On Fri, Jun 14, 2019 at 06:15:00PM -0600, Chris Murphy wrote:
> I would not be surprised if there are either bugs or intentional
> oddity with the firmware in Apple hardware. Only recently is it based
> on UEFI 2.x, for a long time it was based on Intel EFI 1.10 with a lot
> of Apple only stuff added on top of that. It would not at all surprise
> me if much of this is non-standard, not documented, and varies from
> model to model. In fact it would not surprise me if it varied quite a
> lot based on firmware revision for the same model.
>
The changes recommended by Thomas Schmitt not only made the iso image
created by grub-mkrescue work for my Mid 2010 Macbook Pro, they also
made it work on a Late 2009 iMac (irrelevant details see
<https://bugs.gnu.org/35856>). It appears post-2010 Macs boot all
grub-mkrescue iso images without issue.
Regards,
Florian