The suggested v1.47 package worked! I did:
wget
https://launchpad.net/ubuntu/+source/shim-signed/1.47/+build/21482148/+files/shim-signed_1.47+15.4-0ubuntu2_amd64.deb
sudo dpkg -i ./sudo dpkg -i ./shim-signed_1.47+15.4-0ubuntu2_amd64.deb
... followed by a reboot, worked! (Booted OK with secure
With shim-signed 1.48+15.4-0ubuntu5 installed and secure boot enabled, I also
ran:
$ sudo mokutil --set-verbosity true
... rebooted, and captured output in a video as requested. See here (attaching
to this ticket failed):
$ sudo apt install shim-signed=1.50+15.4-0ubuntu7
... from proposed packages, followed by a reboot with secure boot enabled has
the same result, stuck on UEFI vendor firmware logo.
Trying to capture additional logging for you next.
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1936759/+attachment/5511927/+files/ProcEnviron.txt
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https://bugs.launchpad.net/bugs/1936759
apport information
** Attachment added: "EFITables.txt"
https://bugs.launchpad.net/bugs/1936759/+attachment/5511925/+files/EFITables.txt
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https://bugs.launchpad.net/bugs/1936759
~guiverc - Please see above for the apport-collect output.
~juliank - I will try the proposed shim-signed 1.50+ as update shortly.
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https://bugs.launchpad.net/bugs/1936759
Title:
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1936759/+attachment/5511926/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/1936759/+attachment/5511924/+files/Dependencies.txt
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apport information
** Tags added: apport-collected hirsute wayland-session
** Description changed:
shim-signed package installs with no error with apt upgrade, but then
the system cannot boot afterwards with secure boot enabled. System hangs
indefinitely on UEFI manufacturer logo screen
Public bug reported:
shim-signed package installs with no error with apt upgrade, but then
the system cannot boot afterwards with secure boot enabled. System hangs
indefinitely on UEFI manufacturer logo screen (Dell in this case), not
getting as far as grub. Disabling secure boot is a workaround.
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