Public bug reported:

This may be related to bug 1798171.

I booted my new Lenovo X1 carbon 6th generation from a memory stick
using:

$ ls -l disco-desktop-amd64.iso ; sha256sum ./disco-desktop-amd64.iso 
-rw-rw-r-- 1 sarnold sarnold 2030043136 Mar  5 09:51 disco-desktop-amd64.iso
2fe72e17a2dc575ee90bd7f932e345975f04546ebe2154870198153f80de5336  
./disco-desktop-amd64.iso

I updated the BIOS using the Lenovo-supplied Windows BIOS update tools
before booting Ubuntu.

The live session worked fine for a few days.

I started the installer, clicked boxes for turning on secure boot, typed
in a secure boot password, and when I didn't see anything about ZFS in
the disk partitioning page, I cancelled out of the installer.

The next reboot into the memory stick gave these messages before turning
off:

Failed to open \EFI\BOOT\mmx64.efi - Not Found
Failed to load image \EFI\BOOT\mmx64.efi: Not Found
Failed to start MokManager: Not Found
Something has gone seriously wrong: import_mok_state0 failed
: Not Found


I cannot boot into the Ubuntu live memory stick any more. These messages repeat 
then the system turns off again. Windows still boots, which is encouraging, but 
I don't know how to use Windows.

Thanks

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1820676

Title:
  Something has gone seriously wrong: import_mok_state0 failed

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