[Bug 2008082] Re: Install crash with broadcom wifi

[Łukasz Zemczak]

Ok, pinpointed the issue. We already had the VERY SAME ISSUE, from what
I see during 22.04.1. Basically: the apt cache is wrong and includes
packages that are irretrievable offline. This is bad. We didn't follow
up on this after .1 it seems.

What is happening here is that ubiquity fetches the list of packages
needed to support a given locale by running `check-language-support -l
<LOCALE> --show-installed`. check-language-support on the other hand
uses its own data locale database + queries the apt cache for package
'patterns' that is has defined. Normally, in a correct state, this will
only list locale packages that are installed + those that are in the
pool. But in our case, the apt cache has many packages that are
available only online. check-language-support doesn't distinguish the
origin, and it reports back the packages, those go to ubiquity and
ubiquity tries to install them - which fails terribly when there's no
network.

What we did previously is we repacked the filesystem squashfs after
doing `rm var/lib/apt/lists/*Packages`. This way the cache is clear and
in theory everything should work. check-language-support then returns
what's expected.

Bonus points for finding what the build machinery is doing wrong
nowadays.

** Also affects: livecd-rootfs (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: livecd-rootfs (Ubuntu)
   Importance: Undecided => Critical

** Also affects: ubuntu-cdimage
   Importance: Undecided
       Status: New

** Changed in: ubuntu-cdimage
   Importance: Undecided => Critical

** Changed in: ubiquity (Ubuntu)
       Status: New => Invalid

** Changed in: ubuntu-cdimage
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/2008082

Title:
  Install crash with broadcom wifi

Status in Ubuntu CD Images:
  Triaged
Status in livecd-rootfs package in Ubuntu:
  New
Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  Standard install on a MacBook Pro 2012 which has broadcom wifi.

  Crash was reported at the end of the installation - the broadcom wifi
  driver was correctly built since network manager became enabled and
  offered wifi spots to connect to - hence this bug report

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubiquity 22.04.19
  ProcVersionSignature: Ubuntu 5.19.0-32.33~22.04.1-generic 5.19.17
  Uname: Linux 5.19.0-32-generic x86_64
  NonfreeKernelModules: wl zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu82.3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.470.2
  CurrentDesktop: Budgie:GNOME
  Date: Wed Feb 22 12:20:21 2023
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu-budgie.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-Budgie 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217)
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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