I believe I have run into similar problems in the past.
Note, in many cases, the UEFI firmware will not verify the GRUB binary
itself, but will verify the SHIM against certificates in the UEFI
databases. On a standard system, Ubuntu doesn't have their own cert in
the UEFI key databases. The SHIM w
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: sbsigntool (Ubuntu)
Status: New => Confirmed
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Title:
** Attachment added: "db.key"
https://bugs.launchpad.net/ubuntu/+source/sbsigntool/+bug/1551629/+attachment/4585232/+files/db.key
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https://bugs.launchpad.net/bugs/1551629
Title:
sbs
I am attaching my grubx64.efi and signing certificate/key. This will
let you skip steps 1 thru 3 in the test procedure if you want.
** Attachment added: "grubx64.efi"
https://bugs.launchpad.net/ubuntu/+source/sbsigntool/+bug/1551629/+attachment/4585230/+files/grubx64.efi
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You received thi
** Attachment added: "db.crt"
https://bugs.launchpad.net/ubuntu/+source/sbsigntool/+bug/1551629/+attachment/4585231/+files/db.crt
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https://bugs.launchpad.net/bugs/1551629
Title:
sbs
