Unable to boot with --removable option

[danchouzhou at gmail.com]

Hello, 

 

This is Danny. I'm sending this e-mail because I found that USB thumb drive
won't boot correctly while grub-install with -removable option. 

 

Reproducing: 

# suppose that your USB thumb drive is on /dev/sdb1 and already formatted to
fat32

sudo mount /dev/sdb1 /mnt

sudo grub-install --target=x86_64-efi --removable --efi-directory=/mnt
--boot-directory=/mnt

sudo umount /mnt

 

The same command I tried in Ubuntu (2.06-2ubuntu7.1) works fine. Not sure
what's going on here? 

Looking forward to hearing from you. 

 

Cheers, 
Danny

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