[Bug 1872077] Re: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade with mount: /var/lib/grub/esp: special device /, does not exist

[Derk Willem te Bokkel]

When I pass the device it shuts up..

OKAY .. my initial report was bug 1872097 my original and still existing
install partition (sda5) for focal ( dec 2019) I used dpkg-reconfigure
there and of course then debconf-get-selections did not give the correct
info ..

So I created a new partition (sda6) on the drive using existing free
space and manually installed focal there  as a second instance using a
recent (03/28) iso (xubuntu). This was a not connected to network
install as my wireless net work driver is not on the install disk
(rtl8821ce-dkms) (installed via a brief chroot prior to first boot)

also on the drive are windows 10 partitions at sda1,sda3,sda4 plus sda2
which is the /boot/efi (EFI) partition. (always mounted to /boot/efi so
far as I know by default)

SDA6-order of events:

I booted into the fresh install (after network driver was installed). I
did the first upgrade on sda6 using the software updater after running
the language updater which appeared first.

During this install the grub-efi-amd64-signed setup threw up a window
complaining the partition sda2 had changed or did not exist.. It had one
check box for proceeding .. and a continue button .. then a second
message appeared with some thing that looked like this:

 grub-efi /dev/sda2  device ?? parition ?? changed or does not exist

hovering over this gave a message about systems without a bios or in a
vm being etc. grub not being needed  also that I might not be able to
boot if I did install

There were two buttons   to continue or not-install(?).. I chose to not
install .. so the /boot/efi entries remained the same as first
installed.

Then I installed debconf-utils and then ran debconf-get-selections as directed in comment #2
output as in comment #5


Then I rebooted to partition sda5 and tried to reinstall it as the primary start-up  Comments 6,7,8)  trying to overwrite the /boot/efi (/dev/sda2 [EFI]) partition so  my normal boot would be directly into the main xubuntu install on sda5.

output in comments #6 most of output)  and #7 (with the omitted last
line)

I then ran the commands in comment #8  .. checked the time stamps on the
/boot/efi partition and they had changed ..

I hope this clarifies things.

so it is easy to reproduce this bug .. with and older fresh install of ubuntu (xubuntu) focal
just do it networkless on a computer with a windows 10 install

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https://bugs.launchpad.net/bugs/1872077

Title:
  package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to
  install/upgrade with mount: /var/lib/grub/esp: special device /, does
  not exist

Status in grub2-signed package in Ubuntu:
  Incomplete

Bug description:
  Booting up. Got failure message. That is all I know.

  Error from dpkg.log

  update-initramfs: deferring update (trigger activated)
  Setting up grub-efi-amd64-signed (1.140+2.04-1ubuntu24) ...
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  Unknown device "/dev/": Inappropriate ioctl for device
  mount: /var/lib/grub/esp: special device /, does not exist.
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32


  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: grub-efi-amd64-signed 1.140+2.04-1ubuntu24
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Fri Apr 10 08:10:38 2020
  ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  InstallationDate: Installed on 2020-03-21 (19 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200321)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.1ubuntu1
  SourcePackage: grub2-signed
  Title: package grub-efi-amd64-signed 1.140+2.04-1ubuntu24 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
  UpgradeStatus: No upgrade log present (probably fresh install)

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