[Bug 2036547] Re: Mantic minimal cloud images (ubuntu-cpc project) have no arm64 images

[Philip Roche]

Marking invalid. There is no extra work required to build arm64
minimized images.

It was just never added to automation due to the linux-kvm kernel no
being present but builds do succeed now that we have transitioned to
virtual/generic.

```
ubuntu at cloudimg:~$ cat /etc/os-release
PRETTY_NAME="Ubuntu Mantic Minotaur (development branch)"
NAME="Ubuntu"
VERSION_ID="23.10"
VERSION="23.10 (Mantic Minotaur)"
VERSION_CODENAME=mantic
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=mantic
LOGO=ubuntu-logo
ubuntu at cloudimg:~$ uname -a
Linux cloudimg 6.5.0-5-generic #5-Ubuntu SMP PREEMPT_DYNAMIC Wed Sep  6 15:36:23 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
ubuntu at cloudimg:~$ cat /etc/cloud/build.info
build_name: minimal
serial: 20230919.1014
```

test image available @
https://people.canonical.com/~philroche/lp-2036547-ubuntu-cpc-minimized-
arm64/

** Changed in: livecd-rootfs (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2036547

Title:
  Mantic minimal cloud images (ubuntu-cpc project) have no arm64 images

Status in livecd-rootfs package in Ubuntu:
  Invalid

Bug description:
  With the migration from linux-kvm to linux-virtual/genreic for the
  mantic minimal images we can now start building arm64 minimal cloud
  images.

  Previously this was blocked due to there being no linux-kvm kernel for
  arm64. Now that we are using virtual/genreic this is no longer a
  blocker.

  This bug is to track the work to enable arm64 builds for mantic
  minimal ubuntu-cpc project minimized subproject builds.

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