URL: <https://savannah.gnu.org/bugs/?66689>
Summary: Grub 2.12 Problem with Lenovo devices on newest
Firmware
Group: GNU GRUB
Submitter: raddirad
Submitted: Tue 21 Jan 2025 03:16:14 PM UTC
Category: Network
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: other
Release:
Reproducibility: Every Time
Planned Release: None
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Follow-up Comments:
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Date: Tue 21 Jan 2025 03:16:14 PM UTC By: Mathias Radtke <raddirad>
We are currently experiencing a lot of issues with customers using Lenovo
Devices with newest or newer Firmware.
I myself have a Lenovo L16 Gen 1 with an Intel CPU.
With Firmware 1.08 it did work perfectly fine to Netboot into a grub and then
start a Miniroot via PXE.
Since Firmware 1.11 (1.14 is the newest) the grub just stays in the shell and
doesn't accept any keyboard input.
Usually we use an embedded config to load a configfile from a PXE server. I am
now trying it without this embedded config as I thought there might be
something wrong with it.
I expected the grub shell to appear and let me load the configfile I wanted to
load.
However the device is dead and doesn't aeven respond to CTRL+ALT+DEL.
I also tried the latest Ubuntu and Debian Grub 2.12-5 to verify it is not an
isolated issue on our grub.
The debian and ubuntu Grubs also showed the same behaviour. No reaction after
entering the Grub Shell.
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