[Bug 1960083] Re: dirname applet missing from initramfs

[Dimitri John Ledkov]

Downloaded the iso today doesn't mean the iso was built today, or if it
contains this update.

jammy installer iso are attempted to be built daily, but are only
published once they pass automated smoke testing and validation. The
last image that passed that was built on 2nd of February. And builds
since then have been failing validation are probably toast.

You can try a /pending/ image to see if this bug is fixed, but please be
aware it has been failing automated testing thus it may have other
issues.

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https://bugs.launchpad.net/bugs/1960083

Title:
  dirname applet missing from initramfs

Status in busybox package in Ubuntu:
  Fix Released
Status in zfs-linux package in Ubuntu:
  Confirmed

Bug description:
  The initramfs is currently being built without the dirname applet.
  This is causing issues with zfs encrypted devices, as cryptsetup is
  attempting to use dirname to determine the location of the system key.
  This results in the following error:

  /init: line 971: dirname: not found

  followed by a prompt that is missing the zpool name. For example

  "Please unlock disk keystore-" rather than "Please unlock disk
  keystore-rpool".

  After entering the password, the user is dropped to an initramfs
  shell.

  It appears that this was caused by a change in cryptsetup to suddenly
  need dirname to function properly.

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