Re: grub-mkrescue: Problem with MBR partition table at start of EFI partition

[pelzflorian (Florian Pelz)]

On Thu, Apr 25, 2019 at 10:18:08AM +0200, Thomas Schmitt wrote:
>   wget 
> https://dev.lovelyhq.com/libburnia/libisoburn/raw/master/frontend/grub-mkrescue-sed.sh
>   chmod u+x grub-mkrescue-sed.sh
> 
>   export MKRESCUE_SED_MODE=mbr_hfs
>   export MKRESCUE_SED_IN_EFI_NO_PT=yes
> 
>   grub-mkrescue --xorriso=./grub-mkrescue-sed.sh  \
>                 -iso_mbr_part_type 0x83 -partition_offset 16 \
>                 ...your usual options to grub-mkrescue...
> 

This works (with -o mbrhfs.iso as the usual options).  I can select
between “EFI Boot” and “GRUB 2.02” which both boot fine into a GRUB
console.  Without --xorriso=./grub-mkrescue-sed.sh the boot process
gets stuck before showing a boot drive selection screen.

Regards,
Florian