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Bug#892406: live-build: UEFI boot fails on SuperMicro dev board with AMI bios



On Fri, 2018-03-09 at 14:28 +0100, Thomas Schmitt wrote:
> Hi,
> 
> Raphael Hertzog wrote:
> > I assume that the above image has been
> > built with live-wrapper and here the bug report and the patch is
> > about
> > live-build
> 
> I silently assumed live-wrapper because my examples
>   debian-live-8.4.0-i386-standard.iso
>   debian-live-8.4.0-amd64-standard.iso
> both tell
>   Preparer Id  : LIVE-BUILD 4.0.5-1; HTTP://LIVE-
> SYSTEMS.ORG/DEVEL/LIVE-BUILD
> but bear only a single partition which marks the ISO 9660 filesystem.
> 
> 
> @Luca Boccassi:
> Is there an example ISO available which has that FAT32 partition ?
> (If it gets produced by xorriso then i need one for regression
> tests.)
> 
> What i do not understand without example is from where GRUB was
> started
> if not from an EFI System Partition with a BOOTX86.EFI, as in debian-
> cd
> ISOs.
> 
> 
> Have a nice day :)
> 
> Thomas

Hi,

Raphael is right, I am not using live-wrapper at all, only live-build.
You can build such an image with the default configuration, as grub-efi 
is enabled by default, and then if you dd it to a disk or mount it and
then mount boot/grub/efi.img you'll see that there is no grub.cfg in
there, hence this bug report.

I am not entirely sure how the UEFI implementation on this machine
works, as it is third party and closed source. I did not encounter this
issue with Tianocore which is very annoying but entirely expected with
"industry standards" :-)

-- 
Kind regards,
Luca Boccassi

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