[Bug 1110080] Re: [grub2] need to use grub command to boot kernel in UEFI Security boot
Marcus Tomlinson
marcus.tomlinson at canonical.com
Thu Mar 5 13:03:14 UTC 2020
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** Changed in: grub2 (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1110080
Title:
[grub2] need to use grub command to boot kernel in UEFI Security boot
Status in grub2 package in Ubuntu:
Incomplete
Bug description:
I have a machine which support UEFI 2.3.1, so I want to verify ubuntu 12.10 UEFI security boot . I do as follwing steps:
1. install Ubuntu 12.10 on UEFI mode
2. boot to Ubuntu 12.10, then apt-get install grub-efi-amd64-signed
3. cp /usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed /boot/efi/EFI/grubx64.efi
4. add canonical-uefi-ca.der to DB and enable UEFI Security boot in bios setup interface
5. boot to EFI shell and run grubx64.efi (copied from step 3)
But after this grub2 run, the system enter into grub shell, it seems
it doesn't load grub.cfg file. I have to use grub command to boot
ubuntu kernel, it is very inconvenience. Is this normal ? or whtat I
did is wrong ?
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