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[Norbert <1885615@xxxxxxxxxxxxxxxxxx>]

The applications in this bug do not have related files in
/usr/share/polkit-1/actions . So this behavior is expected.

** Changed in: policykit-1 (Ubuntu)
       Status: Confirmed => Invalid

** Changed in: qtbase-opensource-src (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1885615

Title:
  Unable to launch Qt-based application using pkexec

Status in policykit-1 package in Ubuntu:
  Invalid
Status in qtbase-opensource-src package in Ubuntu:
  Invalid

Bug description:
  Steps to reproduce:
  1. Have Ubuntu 20.04 LTS installed
  2. Login to Plasma session
  3. Try to execute Kubuntu Device Drivers application using

      pkexec kubuntu-driver-manager

  Expected results:
  * application launched normally with root rights

  Actual results:
  * application crashed with the following output in the terminal - 

  ```
  qt.qpa.xcb: could not connect to display 
  qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
  This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

  Available platform plugins are: wayland-org.kde.kwin.qpa, dxcb, eglfs,
  linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland,
  wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.

  Aborted (core dumped)
  ```

  
  Affected applications: Kate, Krusader, Krita, Konsole
  Not affected apps: Pluma, Caja

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: policykit-1 0.105-26ubuntu1
  ProcVersionSignature: Ubuntu 5.4.0-39.43-lowlatency 5.4.41
  Uname: Linux 5.4.0-39-lowlatency x86_64
  ApportVersion: 2.20.11-0ubuntu27.3
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: KDE
  Date: Mon Jun 29 20:56:49 2020
  InstallationDate: Installed on 2020-04-22 (67 days ago)
  InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64 (20200422)
  SourcePackage: policykit-1
  UpgradeStatus: No upgrade log present (probably fresh install)

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