[Bug 1951399] Re: Ubuntu, Budgie, Kubuntu, Kylin, MATE, Xubuntu: jammy daily fails to install

[Bob H]

what is a masterbug?
is it about to take over the universe and beyond?
do we need to achieve herd immunity?

should this be asked as a question?

can we kill bugs without killing one another?

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https://bugs.launchpad.net/bugs/1951399

Title:
  Ubuntu, Budgie, Kubuntu, Kylin, MATE, Xubuntu: jammy daily fails to
  install

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Ubiquity crashes when user tries to run ISO QA testing by following
  the procedure from:

  http://iso.qa.ubuntu.com/qatracker/testcases/1300/info
  http://iso.qa.ubuntu.com/qatracker/testcases/1305/info

  The actual result is the same: installer crashes with the following last line in the small terminal at the bottom - "plugininstall.py: ubiquity.install_misc.InstallStepError: AptSetup failed with code 127" .
  Does not depend on system type - happens on real hardware, QEMU, Virtualbox.

  
  This plugininstall.py came from ubiquity package.

  Expected result is completed bootable installation.

  ---

  Xubuntu daily (jammy) install to
  - hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290)

  ubiquity failed with crash.

  This installed was attempted because Norbert had mentioned failure to install (using QEMU)
  - https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1951305
  - https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1951309
  - https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1951312

  This install was an old BIOS box

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity 21.10.10
  ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
  Uname: Linux 5.13.0-19-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu73
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.465
  Date: Thu Nov 18 19:36:21 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Xubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20211118)
  ProcEnviron:
   LANGUAGE=en_AU.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_AU.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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