Comment 37 for bug 1925010

Verified 1.47+15.4-0ubuntu2 on Hirsute on the MacBook Air (MBA 5,2) I have first observed the problem:

rbalint@chaos:~$ sudo apt install shim-signed
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages will be upgraded:
  shim-signed
1 upgraded, 0 newly installed, 0 to remove and 17 not upgraded.
Need to get 447 kB of archives.
After this operation, 1.024 B of additional disk space will be used.
Get:1 http://hu.archive.ubuntu.com/ubuntu hirsute-proposed/main amd64 shim-signed amd64 1.47+15.4-0ubuntu2 [447 kB]
Fetched 447 kB in 0s (2.059 kB/s)
Preconfiguring packages ...
(Reading database ... 321160 files and directories currently installed.)
Preparing to unpack .../shim-signed_1.47+15.4-0ubuntu2_amd64.deb ...
Unpacking shim-signed (1.47+15.4-0ubuntu2) over (1.46+15.4-0ubuntu1) ...
Setting up shim-signed (1.47+15.4-0ubuntu2) ...
Installing grub to /boot/efi.
Installing for x86_64-efi platform.
Installation finished. No error reported.
Scanning processes...
Scanning processor microcode...
Scanning linux images...

Running kernel seems to be up-to-date.

The processor microcode seems to be up-to-date.

No services need to be restarted.

No containers need to be restarted.

No user sessions are running outdated binaries.

rbalint@chaos:~$ Shared connection to chaos-w closed.
$ ssh chaos

rbalint@chaos:~$ sudo ls -alhR /boot/efi/EFI/
/boot/efi/EFI/:
total 16K
drwx------ 4 root root 4,0K jan 18 2018 .
drwx------ 3 root root 4,0K jan 1 1970 ..
drwx------ 2 root root 4,0K febr 4 2019 BOOT
drwx------ 3 root root 4,0K febr 7 2020 ubuntu

/boot/efi/EFI/BOOT:
total 1,9M
drwx------ 2 root root 4,0K febr 4 2019 .
drwx------ 4 root root 4,0K jan 18 2018 ..
-rwx------ 1 root root 933K máj 10 18:24 BOOTX64.EFI
-rwx------ 1 root root 84K máj 10 18:24 fbx64.efi
-rwx------ 1 root root 837K máj 10 18:24 mmx64.efi

/boot/efi/EFI/ubuntu:
total 3,5M
drwx------ 3 root root 4,0K febr 7 2020 .
drwx------ 4 root root 4,0K jan 18 2018 ..
-rwx------ 1 root root 108 máj 10 18:24 BOOTX64.CSV
-rwx------ 1 root root 82K ápr 19 16:33 fbx64.efi
drwx------ 2 root root 4,0K jún 3 2017 fw
-rwx------ 1 root root 126 máj 10 18:24 grub.cfg
-rwx------ 1 root root 1,7M máj 10 18:24 grubx64.efi
-rwx------ 1 root root 837K máj 10 18:24 mmx64.efi
-rwx------ 1 root root 933K máj 10 18:24 shimx64.efi