Thank you Daniel. You are right the vscode extension was the problem. After removing it everything is back to normal.
I don't even remember installing it?! Thank you for you fast response. The problem is resolved. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1771278 Title: search in gnome is not working Status in gnome-shell package in Ubuntu: Incomplete Bug description: 1) Description: Ubuntu 18.04 LTS Release: 18.04 2) gnome-shell: Installed: 3.28.1-0ubuntu2 Candidate: 3.28.1-0ubuntu2 Version table: *** 3.28.1-0ubuntu2 500 500 http://lu.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status 3) When I press Super key and start typing to search, the results of the search should appear. 4) Instead nothing happens. I see this errors in syslog. May 15 08:44:24 Acer18 gnome-shell[2385]: JS ERROR: TypeError: provider.display is undefined#012_clearDisplay/<@resource:///org/gnome/shell/ui/search.js:605:13#012_clearDisplay@resource:///org/gnome/shell/ui/search.js:604:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_reset@resource:///org/gnome/shell/ui/search.js:495:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012setTerms@resource:///org/gnome/shell/ui/search.js:555:13#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_onTextChanged@resource:///org/gnome/shell/ui/viewSelector.js:532:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012reset@resource:///org/gnome/shell/ui/viewSelector.js:464:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012show@resource:///org/gnome/shell/ui/viewSelector.js:284:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_animateVisible@resource:///org/gnome/shell/ui/overview.js:554:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012show@resource:///org/gnome/shell/ui/overview.js:540:9#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012toggle@resource:///org/gnome/shell/ui/overview.js:670:13#012wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22#012_initializeUI/<@resource:///org/gnome/shell/ui/main.js:197:13 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.1-0ubuntu2 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue May 15 08:49:24 2018 DisplayManager: gdm3 GsettingsChanges: b'org.gnome.shell' b'enabled-extensions' b"['vscode-search-provi...@jomik.org']" b'org.gnome.shell' b'command-history' redacted by apport b'org.gnome.shell' b'app-picker-view' b'uint32 1' b'org.gnome.shell' b'favorite-apps' redacted by apport b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" InstallationDate: Installed on 2018-05-02 (12 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1771278/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp