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Is GRUB able to modify access to the UEFI firmware?


From: address@hidden
Subject: Is GRUB able to modify access to the UEFI firmware?
Date: Fri, 23 Nov 2012 21:15:36 +0100

Dear all,

This bug is frightening: a user lost access to UEFI firmware (~BIOS)
after installing Ubuntu12.10(grub-efi2.00):
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1082418

I thought that GRUB didn't modify firmware (at least for Legacy BIOS),
as this changed for UEFI?
May GRUB be the cause of this bug?

Regards
Yann



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