Dash to Dock still visible on lock screen under gnome-shell

Bug #1716982 reported by Jim Hodapp on 2017-09-13
This bug affects 2 people
Affects Status Importance Assigned to Milestone
gnome-shell-extension-ubuntu-dock (Ubuntu)

Bug Description

Seemingly after getting the Ubuntu dock package for gnome-shell but already having been using Dash to Dock with gnome-shell under 17.10, I can still see the dock after locking the screen. I should not be able to see this nor interact with it at all with the screen locked.
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 17.10
InstallationDate: Installed on 2017-08-16 (28 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170814)
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair nvidia_uvm nvidia
Package: gnome-shell-extension-ubuntu-dock 0.4
PackageArchitecture: all
 PATH=(custom, no user)
ProcVersionSignature: Ubuntu 4.12.0-13.14-generic 4.12.10
Tags: artful
Uname: Linux 4.12.0-13-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True

Jim Hodapp (jhodapp) wrote :

Some package details of what's currently installed:

ii gnome-shell 3.25.91-0ubuntu amd64 graphical shell for the GNOME desktop
ii gnome-shell-extensio 0.4 all Ubuntu Dock for GNOME Shell
ii ubuntu-desktop 1.399 amd64 The Ubuntu desktop system

Dash to Dock gnome-shell extension installed via the web UI version 60

Daniel van Vugt (vanvugt) wrote :


Can you clarify which dock is still visible? :)

Also, please run 'apport-collect 1716982' so we get more details.

Changed in gnome-shell-extension-ubuntu-dock (Ubuntu):
status: New → Incomplete

apport information

tags: added: apport-collected artful
description: updated

apport information

apport information

Jim Hodapp (jhodapp) wrote :

Hi Daniel, the dock that's still visible is the original Dash to Dock (version 60) that I installed via the GNOME extensions site.

François Glais (franglais125) wrote :

Most probably an error occurs when disabling Dash-to-Dock (which happens when the locking the session).

Could you provide (relevant) errors from

    sudo journalctl /usr/bin/gnome-shell

François Glais (franglais125) wrote :

I just looked in the error log you attached above and found:

> Sep 13 17:26:58 hostname gnome-shell[5080]: JS ERROR: TypeError: Main.legacyTray is undefined

This error aborts the disabling sequence of dash-to-dock. This was fixed some time ago[1], and the fix was included in v61. Can you update the extension[2] and verify that it is fixed?

[1] https://github.com/micheleg/dash-to-dock/commit/44ed947e87692935fbfe934acc0e9faca4ec5af3
[2] https://extensions.gnome.org/extension/307/dash-to-dock/

Jim Hodapp (jhodapp) wrote :

I can confirm that after upgrading to version 61 of Dash to Dock that this issue goes away. Thanks for looking into this.

Changed in gnome-shell-extension-ubuntu-dock (Ubuntu):
importance: Undecided → High
status: Incomplete → Fix Released
Daeld (daeld-daeldia) wrote :

FWIW, i was using dash-to-dock with ubuntu-dock still installed
after today's update, the dash (ie not the modified dock) was visible from lock screen and I was able to interact with it (ie clicked on icons and when unlocked found associated programs open).

apt-get purge gnome-shell-extension-ubuntu-dock
apt-get autoremove (not required but I like to just in case)

all back to normal

James Pack (james-packjr) wrote :

@Daeld's workaround worked for me on Ubuntu GNOME 17.10

Ernst Sjöstrand (ernstp) wrote :

Is it some global variable name conflict between the two extensions? "dockManager" perhaps?

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