[Bug 1993370] Re: Cannot install proprietary Broadcom WiFi drivers on Ubuntu Studio Jammy 22.04.2 and Kinetic

[Christian Hujer]

As https://bugs.launchpad.net/ubuntu/+source/kubuntu-driver-
manager/+bug/1994035 is marked a duplicate and just affected me twice in
a month, I believe this to be still open. In my case, it was the
VirtualBox extensions and Nvidia drivers that got trashed by an
automatic system kernel update.

What happened?
• System installed updates, including a new kernel.
• After updates, on the next boot with eGPU, X11 didn't load, and I got an error message during boot that the VirtualBox kernel extensions couldn't be loaded.

What workaround helped?
• Boot without eGPU.
• uname -a to check the kernel version
• sudo apt-get install linux-headers-… matching the kernel version
• reboot

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https://bugs.launchpad.net/bugs/1993370

Title:
  Cannot install proprietary Broadcom WiFi drivers on Ubuntu Studio
  Jammy 22.04.2 and Kinetic

Status in software-properties package in Ubuntu:
  Fix Committed
Status in software-properties source package in Jammy:
  Confirmed
Status in software-properties source package in Kinetic:
  Fix Committed

Bug description:
  Hardware: HP Elitebook 8570p, 16 GB RAM, 120 GB SSD, 3rd Gen Intel
  Core i5, UEFI, no secure boot, Broadcom WiFi.

  OS: Ubuntu Studio Kinetic, Final ISO

  Steps to reproduce:

  1. Boot the Ubuntu Studio ISO on a system with Broadcom WiFi, and install the system normally. (No encryption, allow Internet access during installation using some method of connectivity other than WiFi.)
  2. Reboot and log into the newly installed system.
  3. Open a terminal and run "sudo software-properties-kde".
  4. Click "Additional Drivers" in the window that pops up.
  5. Click "Using Broadcom 802.11 Linux STA wireless driver source from bcmwl-kernel-source (proprietary)".

  Expected result: The Apply Changes button should become clickable,
  allowing the user to install the driver.

  Actual result: The button remains grayed out, and the following error
  message is printed in the terminal:

  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/softwareproperties/qt/SoftwarePropertiesQt.py", line 1063, in on_driver_selection_changed
      modules_package_obj = self.apt_cache[modules_package]
  TypeError: Expected a string or a pair of strings

  ProblemType: Bug
  DistroRelease: Ubuntu 22.10
  Package: software-properties-qt 0.99.27
  ProcVersionSignature: Ubuntu 5.19.0-1007.7-lowlatency 5.19.7
  Uname: Linux 5.19.0-1007-lowlatency x86_64
  ApportVersion: 2.23.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: KDE
  Date: Tue Oct 18 21:33:51 2022
  InstallationDate: Installed on 2022-10-19 (0 days ago)
  InstallationMedia: Ubuntu-Studio 22.10 "Kinetic Kudu" - Release amd64 (20221017.1)
  PackageArchitecture: all
  SourcePackage: software-properties
  UpgradeStatus: No upgrade log present (probably fresh install)

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