URL:
<http://savannah.gnu.org/bugs/?51570>
Summary: UEFI Simple filesystem is not supported
Project: GNU GRUB
Submitted by: das_j
Submitted on: Tue 25 Jul 2017 12:12:45 PM UTC
Category: Booting
Severity: Major
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release:
Release: 2.02
Reproducibility: Every Time
Planned Release: None
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Details:
When chainloading a .efi binary, it cannot use SIMPLE_FILESYSTEM_PROTOCOL
because it is unsupported (UEFI error code 3).
When booting the .efi binary without GRUB, it works.
An example is the HashTool.efi from the efitools package, which tries to read
key files.
The failing source code (including line) can be found here: [1]
1:
https://git.kernel.org/pub/scm/linux/kernel/git/jejb/efitools.git/tree/lib/simple_file.c#n28
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