[Bug 1933523] Re: Temporary installer password and key fingerprints are not printed with latest impish daily ISOs

[Frank Heimes]

just did the following quick test:
from the "Integrated ASCII console", where impish/subiquity ran I opened the live shell and did:
root at ubuntu-server:/# echo "x" > /dev/console
and 
root at ubuntu-server:/# echo "x" > /dev/sclp_line0
and I can see two "x" coming through to the "Operating Systems messages" which is sclp_line0
that lets me think that /dev/console is properly 'mapped' to /dev/sclp_line0

and fwiw:
- Operating System Messages:
   $ tty
   /dev/sclp_line0
- Integrated ASCII Console:
   $ tty
   /dev/ttysclp0

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https://bugs.launchpad.net/bugs/1933523

Title:
  Temporary installer password and key fingerprints are not printed with
  latest impish daily ISOs

Status in subiquity:
  In Progress
Status in Ubuntu on IBM z Systems:
  In Progress
Status in livecd-rootfs package in Ubuntu:
  In Progress

Bug description:
  Using the latest Impish daily ISO (timestamp) 2021-06-24 I faced the
  situation that I didn't got a temporary installation password not the
  key fingerprints at the end of the installer boot-up process.

  Hence I am not able to perform an installation from remote via ssh.
  However, subiqity is started at the console (e.g. Integrated ASCII console) and an installation can be successfully completed there, but a console installation is not in all cases possible, for example with z/VM guests.

  As one can read between the lines I tried this on s390x (Integrated
  ASCII console and z/VM), but 'paride' tried the same on amd64 and ran
  into the same symptoms, so it does not seem to be architecture
  specific.

  This must have happened recently, since I already was able to do ssh-based Impish installations on s390x in the past (for example with the daily ISO from 06-14-2021).
  ___

  This is not the case for the 20.04 dailies - I can do remote ssh installation with the 20.04 live daily ISOs.
  ___

  With Impish on s390x the kernel parameter 'quiet' is still set by
  default.

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