Public bug reported:
Despite the fact that grub2 2.02~beta2-36ubuntu3 was a no-change
rebuild, upon upgrading to it on my system, I received a debconf prompt
offering to disable UEFI secure boot.
This system has Secure Boot enabled and has no dkms modules installed.
There should not be a prompt by grub on upgrade to disable; if this was
going to be shown at all (which it wasn't, and shouldn't have been), it
should have happened on the initial xenial upgrade.
Looking at the postinst code, I see that it prompts if the dkms package
is installed:
# nothing to do if there is no dkms package installed.
if ! dpkg -l dkms | grep -qc ii; then
return
fi
Ok, I do have the dkms package installed, even though I don't have any
dkms-using packages installed. (BTW, 'grep -qc ii' should probably be
written 'grep -q ^ii') But then, this prompt should have shown up for
me during the upgrade to xenial, *not* in this minor upgrade to the grub
package. So why did it not?
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64 2.02~beta2-36ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Apr 17 11:27:09 2016
InstallationDate: Installed on 2010-09-24 (2032 days ago)
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
SourcePackage: grub2
UpgradeStatus: Upgraded to xenial on 2016-04-15 (2 days ago)
** Affects: grub2 (Ubuntu)
Importance: Critical
Assignee: Mathieu Trudel-Lapierre (cyphermox)
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1571388
Title:
grub-efi-amd64: prompted to disable SecureBoot on upgrade from
2.02~beta2-36ubuntu2 to 2.02~beta2-36ubuntu3
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