Public bug reported:

I am running hirsute on Thinkpad X1 Carbon gen 7. Fwupdmgr used to work
on groovy. Now, fwupdmgr detects new firmware, successfully places the
.cap file in /boot/efi/EFI/ubuntu/fw/, successfully sets efi "next boot"
to 2 which is "Linux-Firmware-Updater", but on reboot, there are no
signs that fwupdx64 was attempted to be executed, and system drops
directly into grub.

Same when I use BIOS boot menu. There are entries for "ubuntu" and for
"Linux firmware updater", but selecting any of them boots grub.

After boot, EFI "BootCurrent" points to the updater entry, though it
apparently did not run!

$ efibootmgr -v|head
BootCurrent: 0002
Timeout: 0 seconds
BootOrder: 0001,0019,001A,001B,001C,001D,001E,001F,0020,0021,0022,0023,0024,0002
Boot0001* ubuntu        
HD(1,GPT,6ccce482-e2c2-48ca-991e-608bee5d38af,0x800,0x100000)/File(\EFI\ubuntu\shimx64.efi)
Boot0002* Linux-Firmware-Updater        
HD(1,GPT,6ccce482-e2c2-48ca-991e-608bee5d38af,0x800,0x100000)/File(\EFI\ubuntu\shimx64.efi)\.f.w.u.p.d.x.6.4...e.f.i...
Boot0010  Setup FvFile(721c8b66-426c-4e86-8e99-3457c46ab0b9)
Boot0011  Boot Menu     FvFile(126a762d-5758-4fca-8531-201a7f57f850)
Boot0012  Diagnostic Splash Screen      
FvFile(a7d8d9a6-6ab0-4aeb-ad9d-163e59a7a380)
Boot0013  Lenovo Diagnostics    FvFile(3f7e615b-0d45-4f80-88dc-26b234958560)
Boot0014  Regulatory Information        
FvFile(478c92a0-2622-42b7-a65d-5894169e4d24)

These sympptoms match precisely a previous bug:
https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1864223

Could it be that the fix introduced then was lost, maybe due to signing
schedule?

There is a github ticket https://github.com/fwupd/firmware-lenovo-
thinkpad/issues/123 that could be explained by this problem too.

My versions of related packages:

shim-signed:
  Installed: 1.47+15.4-0ubuntu2

fwupd-signed:
  Installed: 1.38+1.5.8-0ubuntu1

grub-efi-amd64-signed:
  Installed: 1.169+2.04-1ubuntu45

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: shim-signed 1.47+15.4-0ubuntu2
ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12
Uname: Linux 5.11.0-17-generic x86_64
.proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or 
directory: '/proc/sys/kernel/moksbstate_disabled'
ApportVersion: 2.20.11-0ubuntu65
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon May 24 23:28:40 2021
InstallationDate: Installed on 2020-01-02 (508 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190802)
SecureBoot: 6   0   0   0   1
SourcePackage: shim-signed
UpgradeStatus: Upgraded to hirsute on 2021-02-22 (91 days ago)

** Affects: shim-signed (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug hirsute wayland-session

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https://bugs.launchpad.net/bugs/1929471

Title:
  Shim apparently fails to run fwupd64 (hirsute regression?)

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