I can confirm this problem (Lenovo Thinkpad P1 Gen7). After successfully
using efitools on a HP zbook I am trying to use
- HelloWorld.efi
- KeyTool.efi
on a Lenovo thinkpad P1 Gen7:
- secure boot disabled
- installed the EFI binaries to /boot/efi/EFI/ubuntu/ - next to grub's EFI
files
- used 'efibootmgr' to create entries in the boot menu (labeled 'hello' and
'KeyTool', respectively)
- boot, hit F12 to get to the boot menu, navigate to 'hello'
- testing unsigned, unmodified efi binaries Hello.efi:
=> blue screen, nothing is being printed; returns to boot menu on keypress
- reboot, hit F12, navigate to 'KeyTool'
- testing unsigned, unmodified KeyTool.efi
=> screen goes black for a very brief period (<1s) and immediately returns
to the boot menu.
Note that I also have generated a UKI with my linux kernel, installed that into
the same directory
(/boot/efi/EFI/ubuntu/) and added a boot menu entry the same way I added the
entries for 'HelloWorld' and 'KeyTool' and this UKI **works fine**. So I don't
think it is a problem with efibootmgr.
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https://bugs.launchpad.net/bugs/1663849
Title:
None of the efitools tools work on my machine
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