[Bug 1854386] [NEW] Show application renders computer unusable (invisible overlap)

[Damian]

Public bug reported:

Hello,

I've upgraded my ubuntu 19.04 to 19.10 this morning and I came across
this very annoying bug.

Whenever I click on 'show applications' or press win key (shortcut), the
menu with the applications show, but it's empty - you can search through
it and it works fine (applications show, one can trigger application
launch), but then after you select an application, the menu doesn't
disappear at all.

It doesn't go away when pressing any application on the dash panel, nor
when clicking esc key, it only goes away after you click on the dash
icon again, BUT...

It doesn't really go away - it just becomes invisible, but still it
overlaps all the items that are launched (with exception of dash panel,
because it's not being overlapped), and you can't do anything on any
launched application. Sometimes when you try to move some windows, you
can see them getting transformed into a miniature, as if the system
wanted to insert application into the suggestions on the 'show
applications'.

The only thing that worked for me was restarting my computer.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: ubuntu-release-upgrader-core 1:19.10.15.3
ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
Uname: Linux 5.3.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Thu Nov 28 18:00:54 2019
InstallationDate: Installed on 2018-11-09 (383 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: Upgraded to eoan on 2019-11-27 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade eoan

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https://bugs.launchpad.net/bugs/1854386

Title:
  Show application renders computer unusable (invisible overlap)

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Hello,

  I've upgraded my ubuntu 19.04 to 19.10 this morning and I came across
  this very annoying bug.

  Whenever I click on 'show applications' or press win key (shortcut),
  the menu with the applications show, but it's empty - you can search
  through it and it works fine (applications show, one can trigger
  application launch), but then after you select an application, the
  menu doesn't disappear at all.

  It doesn't go away when pressing any application on the dash panel,
  nor when clicking esc key, it only goes away after you click on the
  dash icon again, BUT...

  It doesn't really go away - it just becomes invisible, but still it
  overlaps all the items that are launched (with exception of dash
  panel, because it's not being overlapped), and you can't do anything
  on any launched application. Sometimes when you try to move some
  windows, you can see them getting transformed into a miniature, as if
  the system wanted to insert application into the suggestions on the
  'show applications'.

  The only thing that worked for me was restarting my computer.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.3
  ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
  Uname: Linux 5.3.0-23-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Nov 28 18:00:54 2019
  InstallationDate: Installed on 2018-11-09 (383 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: Upgraded to eoan on 2019-11-27 (0 days ago)
  VarLogDistupgradeTermlog:

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