[Bug 1947311] Re: Unexpected partition growth on first boot on impish for raspberry pi

[Dave Jones]

Hmmm, I wonder if this is in the seeds, given we *finally* got around to
using the platform seeds to build the impish image (the intention was to
do this in hirsute, and they were ready but for some reason they were
never activated on that release).

Ah ha! Here's the culprit:

https://git.launchpad.net/~ubuntu-core-dev/ubuntu-
seeds/+git/platform/tree/raspi-common

Now I wonder why that was added ...

https://git.launchpad.net/~ubuntu-core-dev/ubuntu-
seeds/+git/platform/commit/raspi-
common?id=66ab1060453f5cdc8db8af901910282de20411bc

Ohhh. I wonder if this is required to grow the partition on the desktop
images. Those don't use cloud-init at all, instead there's a
"x-systemd.growfs" tag in the fstab, but perhaps this package was
required to operate that? I thought that was systemd-growfs though...
Either way, it seems like something that could be added to the desktop
seed specifically instead of the raspi-common seed.

** Also affects: ubuntu-meta (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ubuntu-meta (Ubuntu)
     Assignee: (unassigned) => Dave Jones (waveform)

** Changed in: cloud-init (Ubuntu)
     Assignee: Dave Jones (waveform) => (unassigned)

** Changed in: cloud-init (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1947311

Title:
  Unexpected partition growth on first boot on impish for raspberry pi

Status in cloud-init package in Ubuntu:
  Invalid
Status in linux-raspi package in Ubuntu:
  Invalid
Status in ubuntu-image package in Ubuntu:
  New
Status in ubuntu-meta package in Ubuntu:
  New

Bug description:
  Hi,

  On Raspberry Pi since Impish, the partition always grows even if I set
  the following in user-data of cloud-init.

  growpart:
    mode: off
    devices: ['/']

  I have tested this on 21.04, and it works, but is broken on 21.10.
  (partition always grows)

  I've also tested this in KVM on amd64, and it works (partition does
  NOT grow).

  This is a problem for me because I am using runcmd in cloud init to
  migrate my drive to LVM/LUKS, and the partitioning step fails because
  the drive is already full.

  Cheers,
  Noah

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