Thanks a lot! I've got a script that I run on each login to fix that.

On Sun, Oct 22, 2017 at 8:01 PM Mark <email address hidden> wrote:

> According to https://bugzilla.redhat.com/show_bug.cgi?id=1274451 there
> are no plans for Wayland to support running graphical applications as
> root so that bug has been closed as WONTFIX. The correct fix is for
> Synaptic, and other graphical apps needing root, to be rewritten to run
> the GUI as a normal user and to use "polkit" for the parts where they
> need root access.
>
>
> ** Bug watch added: Red Hat Bugzilla #1274451
>    https://bugzilla.redhat.com/show_bug.cgi?id=1274451
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1705955).
> https://bugs.launchpad.net/bugs/1712089
>
> Title:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not
>   connect: Connection refused
>
> Status in synaptic package in Ubuntu:
>   Triaged
>
> Bug description:
>   List of pkexec'ed applications is located in bug 1713313.
>   List of packages which use su-to-root and gksu/gksudo is located in bug
> 1713311.
>
>
> -----------------------------------------------------------------------------
>   pkexec'ed applications may be healed with "xhost +si:localuser:root"
> placed in XDG autostart as follows:
>
>   cat <<EOF | sudo tee /etc/xdg/autostart/xhost.desktop
>   [Desktop Entry]
>   Name=xhost
>   Comment=Fix graphical root applications
>   Exec="xhost +si:localuser:root"
>   Terminal=false
>   Type=Application
>   EOF
>
>
> -----------------------------------------------------------------------------
>
>   Posting here what gnome says about porting to wayland, and their
>   tests:
>
>   GNOME Applications under Wayland
>   GTK+ has a Wayland backend. If it was enabled at compile-time, you can
> run a GTK+ application under Wayland simply by:
>
>   GDK_BACKEND=wayland gnome-calculator
>   Applications that use Clutter or clutter-gtk also need the Clutter
> Wayland backend enabled:
>
>   GDK_BACKEND=wayland CLUTTER_BACKEND=wayland cheese
>
>   https://wiki.gnome.org/Initiatives/Wayland/Applications
>
>   ======> so hope the settings are well set at compile time; maybe a
>   rebuilt to get sure all apps are ok.
>
>
> ********************************************************************************************************************************************
>
>   With the today packages upgrade, switching from X11 to wayland,
>   synaptic refuse to load/open:
>
>   from the icon into the dash-to-dock, nothing happen
>   from the terminal:
>
>   sudo synaptic
>   [sudo] password for oem:
>   Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
> Connection refused
>
>   (synaptic:2154): Gtk-WARNING **: cannot open display: :0
>
>   Previous days already have switching some packages to wayland, but
>   synaptic was still working. Its only with the today upgrades, after a
>   cold reboot, that synaptic gui is broken.
>
>   Today possibly sources problem:
>
>   Unpacking console-setup-linux (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking console-setup (1.142ubuntu7) over (1.142ubuntu5) ...
>
>   Unpacking keyboard-configuration (1.142ubuntu7) over (1.142ubuntu5)
>   ...
>
>   Unpacking gnome-session-bin (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gdm3 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking libgdm1 (3.25.90.1-0ubuntu2) over (3.25.90.1-0ubuntu1) ...
>
>   Unpacking gir1.2-gdm-1.0 (3.25.90.1-0ubuntu2) over
>   (3.25.90.1-0ubuntu1) ...
>
>   Unpacking ubuntu-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21)
>   ...
>
>   Unpacking gnome-session (3.24.1-0ubuntu22) over (3.24.1-0ubuntu21) ...
>   ...
>   Unpacking gnome-session-common (3.24.1-0ubuntu22) over
> (3.24.1-0ubuntu21) ...
>   Setting up keyboard-configuration (1.142ubuntu7) ...
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: synaptic 0.84.2
>   ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
>   Uname: Linux 4.12.0-12-generic x86_64
>   ApportVersion: 2.20.6-0ubuntu6
>   Architecture: amd64
>   CurrentDesktop: GNOME
>   Date: Mon Aug 21 16:21:47 2017
>   EcryptfsInUse: Yes
>   SourcePackage: synaptic
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1712089/+subscriptions
>
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