grub2-efi-amd64-signed 1.164+2.04-1ubuntu42 fails to display boot menu on 14.04 ESM

Bug #1917529 reported by Steve Beattie
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
grub2-signed (Ubuntu)
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Undecided
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Bug Description

Attempting to boot under secure boot/uefi on trusty ESM with the following packages installed:

$ dpkg -l 'grub*' | grep ^ii
ii grub-common 2.02~beta2-9ubuntu1.22 amd64 GRand Unified Bootloader (common files)
ii grub-efi-amd64 2.04-1ubuntu42 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version)
ii grub-efi-amd64-bin 2.04-1ubuntu42 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 modules)
ii grub-efi-amd64-signed 1.164+2.04-1ubuntu42 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version, signed)
ii grub2-common 2.02~beta2-9ubuntu1.22 amd64 GRand Unified Bootloader (common files for version 2)
ii grub2-themes-ubuntustudio 0.2 all GRand Unified Bootloader, version 2 (Ubuntu Studio theme)

and with all GRUB_HIDDEN options disabled in /etc/default/grub:

$ grep ^GRUB /etc/default/grub
GRUB_DEFAULT=0
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

results in grub being unable to display the grub menu when booting. Pressing Esc also does not cause the menu to display; however, it is being recognized as it cause grub to stop its countdown (and thus never boot).

This is a regression in that the same set of options with the prior round of updates published in the trusty ESM archive will successfully bring up the grub menu on boot, with the following packages installed:

$ dpkg -l 'grub*' | grep ^ii
ii grub-common 2.02~beta2-9ubuntu1.21 amd64 GRand Unified Bootloader (common files)
ii grub-efi-amd64 2.02~beta2-9ubuntu1.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version)
ii grub-efi-amd64-bin 2.02~beta2-9ubuntu1.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 binaries)
ii grub-efi-amd64-signed 1.34.24+2.02~beta2-9ubuntu1.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version, signed)
ii grub2-common 2.02~beta2-9ubuntu1.21 amd64 GRand Unified Bootloader (common files for version 2)
ii grub2-themes-ubuntustudio 0.2 all GRand Unified Bootloader, version 2 (Ubuntu Studio theme)

Revision history for this message
Steve Beattie (sbeattie) wrote :

Attaching the generated /boot/grub/grub.cfg

description: updated
Revision history for this message
Steve Beattie (sbeattie) wrote :

(same grub.cfg is generated with either sets of grub packages installed)

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