undismissable, unclickable authentication dialog left on screen (top-left corner) before policykit authentication [pushModal: invocation of begin_modal failed]

[Sarpreet]

Description: Ubuntu 19.10
Release: 19.10

synaptic:
  Installed: 0.84.6ubuntu3
  Candidate: 0.84.6ubuntu3
  Version table:
 *** 0.84.6ubuntu3 500
        500 http://ca.archive.ubuntu.com/ubuntu eoan/universe amd64 Packages
        100 /var/lib/dpkg/status

gnome-shell:
  Installed: 3.34.1+git20191024-1ubuntu1~19.10.1
  Candidate: 3.34.1+git20191024-1ubuntu1~19.10.1
  Version table:
 *** 3.34.1+git20191024-1ubuntu1~19.10.1 500
        500 http://ca.archive.ubuntu.com/ubuntu eoan-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     3.34.1-1ubuntu1 500
        500 http://ca.archive.ubuntu.com/ubuntu eoan/main amd64 Packages

In 'Synaptic Package Manager' (most probable, as I was trying to use it, clicked few times), it asked for authentication. After several clicks, gave me a window for authentication, in which I was able to log in, but later on after using it, I closed 'Synaptic Package Manager'. After some time the authentication window comes up on the left top corner, which is clickable, but clicks won't do anything. Plus the input text 'Password' field would not take any input from keyboard.
And when I press ALT+F2, then type "r" and press enter, it's gone !

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-shell 3.34.1+git20191024-1ubuntu1~19.10.1
ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
Uname: Linux 5.3.0-24-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 30 06:33:07 2019
DisplayManager: gdm3
InstallationDate: Installed on 2019-12-06 (23 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
RelatedPackageVersions: mutter-common 3.34.1+git20191107-1ubuntu1~19.10.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

[Daniel van Vugt (vanvugt)]

This sounds like a combination of bug 1734095 and bug 1824874 so please use those.