Public bug reported:

Ubuntu 26.04 Desktop PXE/NFS autoinstall hangs during boot in `cloud-
init-network.service` unless `network-config=disabled` is passed on the
kernel command line. The NFS `/cdrom` mount succeeds before the hang,
and Ubuntu 26.04 Server PXE/NFS autoinstall works on the same
PXE/NoCloud setup without this workaround.

Additional Details:

Failing Desktop NFS autoinstall kernel args:
ip=dhcp boot=casper netboot=nfs
nfsroot=<server>:/srv/pxe/resolute-desktop/iso
autoinstall ds="nocloud-net;s=http://<server>/pxe/resolute-desktop/"
---

Working workaround adds:
network-config=disabled

Failure excerpt:
Started NetworkManager.service
Starting cloud-init-network.service
Stopped NetworkManager.service
Job cloud-init-network.service/start running (... / no limit)

NFS mount succeeds before the hang:
Trying nfsmount ... /srv/pxe/resolute-desktop/iso /cdrom ... done.

Related comparison:
Ubuntu 26.04 Server PXE/NFS autoinstall works on the same PXE/NoCloud setup
without network-config=disabled.

It is now necessary to use nfs to pxe boot my FrameWork 13 laptop with
16 gb of ram due to the size of the desktop image.

** Affects: cloud-init (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2153494

Title:
  Desktop NFS autoinstall hangs in cloud-init-network.service

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