[Bug 1995751] Re: update to 2.04-1ubuntu47.4 drops zz-update-grub

[Julian Andres Klode]

** Summary changed:

- update to 2.04-1ubuntu44.2 drops zz-update-grub
+ update to 2.04-1ubuntu47.4 drops zz-update-grub

** Description changed:

- A user reported that the GRUB menu was no longer being updated on a
- freshly deployed bionic system, and that this appears to be because
- /etc/kernel/postinst.d/zz-update-grub has disappeared.
+ [Impact]
+ New kernels don't appear in boot menu after install
+ 
+ [Test plan]
+ On a bionic VM, purge all grub and shim packages.
+ 
+ Test 1: Upgrade release EFI stack
+ - Install shim-signed with only release pocket
+ - Enable -updates and add the proposed package, and upgrade
+ 
+ Test 2: Upgrade broken EFI stack
+ - Install shim-signed with only release and updates pocket
+ - Upgrade grub2 binaries from proposed
+ 
+ Test 3: Install latest EFI stack
+ - Install shim-signed with release, updates, proposed grub2 enabled.
+ 
+ Test 1a: Upgrade hybrid release stack:
+ (same as 1, but install shim-signed and grub-pc)
+ Test 2a: Upgrade hybrid broken stack:
+ (same as 2, but install shim-signed and grub-pc)
+ Test 3a: Upgrade hybrid broken stack:
+ (same as 2, but install shim-signed and grub-pc)
+ 
+ [Where problems could occur]
+ Could have missed a grub-.* binary or gotten the versions wrong and cause file conflicts.
+ 
+ [Original bug report]
+ A user reported that the GRUB menu was no longer being updated on a freshly deployed bionic system, and that this appears to be because /etc/kernel/postinst.d/zz-update-grub has disappeared.
  
  # The version in the bionic-security pocket has it:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu44.1.2_amd64.deb | grep zz
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postinst.d/zz-update-grub
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postrm.d/zz-update-grub
  
  # The version in bionic-updates does not:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu47.4_amd64.deb | grep zz
  ubuntu at akis:~$

** Description changed:

  [Impact]
  New kernels don't appear in boot menu after install
  
  [Test plan]
  On a bionic VM, purge all grub and shim packages.
  
  Test 1: Upgrade release EFI stack
  - Install shim-signed with only release pocket
  - Enable -updates and add the proposed package, and upgrade
  
  Test 2: Upgrade broken EFI stack
  - Install shim-signed with only release and updates pocket
  - Upgrade grub2 binaries from proposed
  
  Test 3: Install latest EFI stack
  - Install shim-signed with release, updates, proposed grub2 enabled.
  
  Test 1a: Upgrade hybrid release stack:
  (same as 1, but install shim-signed and grub-pc)
  Test 2a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)
  Test 3a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)
  
+ In all cases check that no errors occur and the
+ /etc/kernel/postinst.d/zz-update-grub script exists at the end.
+ 
  [Where problems could occur]
  Could have missed a grub-.* binary or gotten the versions wrong and cause file conflicts.
  
  [Original bug report]
  A user reported that the GRUB menu was no longer being updated on a freshly deployed bionic system, and that this appears to be because /etc/kernel/postinst.d/zz-update-grub has disappeared.
  
  # The version in the bionic-security pocket has it:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu44.1.2_amd64.deb | grep zz
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postinst.d/zz-update-grub
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postrm.d/zz-update-grub
  
  # The version in bionic-updates does not:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu47.4_amd64.deb | grep zz
  ubuntu at akis:~$

** Description changed:

  [Impact]
  New kernels don't appear in boot menu after install
  
  [Test plan]
  On a bionic VM, purge all grub and shim packages.
  
  Test 1: Upgrade release EFI stack
  - Install shim-signed with only release pocket
  - Enable -updates and add the proposed package, and upgrade
  
  Test 2: Upgrade broken EFI stack
  - Install shim-signed with only release and updates pocket
  - Upgrade grub2 binaries from proposed
  
  Test 3: Install latest EFI stack
  - Install shim-signed with release, updates, proposed grub2 enabled.
  
  Test 1a: Upgrade hybrid release stack:
  (same as 1, but install shim-signed and grub-pc)
  Test 2a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)
  Test 3a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)
  
  In all cases check that no errors occur and the
  /etc/kernel/postinst.d/zz-update-grub script exists at the end.
  
+ 
+ Test 10: (grub2-unsigned)
+ 
+ Ensure that grub-efi-{amd64,arm64} binary cannot be installed with older
+ grub2-common binary installed  / pulls in new binary.
+ 
+ Test 20: (grub2-signed)
+ 
+ Ensure that grub-efi-{amd64,arm64}-signed binary cannot be installed
+ with older grub2-common binary installed / pulls in new binary.
+ 
  [Where problems could occur]
  Could have missed a grub-.* binary or gotten the versions wrong and cause file conflicts.
  
  [Original bug report]
  A user reported that the GRUB menu was no longer being updated on a freshly deployed bionic system, and that this appears to be because /etc/kernel/postinst.d/zz-update-grub has disappeared.
  
  # The version in the bionic-security pocket has it:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu44.1.2_amd64.deb | grep zz
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postinst.d/zz-update-grub
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postrm.d/zz-update-grub
  
  # The version in bionic-updates does not:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu47.4_amd64.deb | grep zz
  ubuntu at akis:~$

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https://bugs.launchpad.net/bugs/1995751

Title:
  update to 2.04-1ubuntu47.4 drops zz-update-grub

Status in grub2 package in Ubuntu:
  Invalid
Status in grub2-unsigned package in Ubuntu:
  Confirmed
Status in grub2 source package in Bionic:
  Triaged
Status in grub2-unsigned source package in Bionic:
  Confirmed

Bug description:
  [Impact]
  New kernels don't appear in boot menu after install

  [Test plan]
  On a bionic VM, purge all grub and shim packages.

  Test 1: Upgrade release EFI stack
  - Install shim-signed with only release pocket
  - Enable -updates and add the proposed package, and upgrade

  Test 2: Upgrade broken EFI stack
  - Install shim-signed with only release and updates pocket
  - Upgrade grub2 binaries from proposed

  Test 3: Install latest EFI stack
  - Install shim-signed with release, updates, proposed grub2 enabled.

  Test 1a: Upgrade hybrid release stack:
  (same as 1, but install shim-signed and grub-pc)
  Test 2a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)
  Test 3a: Upgrade hybrid broken stack:
  (same as 2, but install shim-signed and grub-pc)

  In all cases check that no errors occur and the
  /etc/kernel/postinst.d/zz-update-grub script exists at the end.

  
  Test 10: (grub2-unsigned)

  Ensure that grub-efi-{amd64,arm64} binary cannot be installed with
  older grub2-common binary installed  / pulls in new binary.

  Test 20: (grub2-signed)

  Ensure that grub-efi-{amd64,arm64}-signed binary cannot be installed
  with older grub2-common binary installed / pulls in new binary.

  [Where problems could occur]
  Could have missed a grub-.* binary or gotten the versions wrong and cause file conflicts.

  [Original bug report]
  A user reported that the GRUB menu was no longer being updated on a freshly deployed bionic system, and that this appears to be because /etc/kernel/postinst.d/zz-update-grub has disappeared.

  # The version in the bionic-security pocket has it:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu44.1.2_amd64.deb | grep zz
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postinst.d/zz-update-grub
  -rwxr-xr-x root/root       646 2021-03-03 11:42 ./etc/kernel/postrm.d/zz-update-grub

  # The version in bionic-updates does not:
  ubuntu at akis:~$ dpkg -c grub-efi-amd64_2.04-1ubuntu47.4_amd64.deb | grep zz
  ubuntu at akis:~$

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