mac fails to boot after hirsute release upgrade (secureboot)
Bug #1924752 reported by
Jim Tittsler
This bug report is a duplicate of:
Bug #1925010: shim-signed 15.4 does not boot on EFI 1.10 systems.
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This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
New
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Undecided
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Unassigned |
Bug Description
After today trying `do-release-upgrade -d` on an iMac running Kubuntu 20.10, the system now fails to boot, staying at the initial Mac white screen.
(Trying to manually chroot/update-grub or using Boot-Repair does not solve the problem.)
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Using boot-repair to disable secureboot (purging and reinstalling GRUB2) now allows booting again.