Problems with starting the GNOME 3 Desktop or X client from a host running a modern Linux operating system can be difficult to diagnose. For the best results, use a supported version of GNOME 3. Reflection X Advantage supports GNOME 3 version 3.28 or greater contained in the following operating systems (or greater versions of these operating systems):
RHEL 7.6
Fedora 28
Ubuntu 18.04
SUSE 15 SP2
Solaris 11.4 SRU24
Use the following troubleshooting tips for launching X clients successfully in a GNOME 3 environment.
A “sad face” or blank screen appears when the gnome-session client is launched or when connecting with XDMCP
Make sure your session meets the GNOME 3 Desktop Session Definition Requirements. The GNOME 3 Desktop requires extensions that are not required for other sessions.
The desktop fails to launch on systems using the legacy gnome-session command: gnome-session --display %IP#%
The GNOME 3 gnome-session client doesn’t support the --display command line argument. If you need to manually set the DISPLAY environment variable, prefix the client command with DISPLAY=%IP#% as follows.
(DISPLAY=%IP#% dbus-run-session -- gnome-session &)
The desktop fails to launch using older connection types such as Rexec, Rsh or Rlogin
Make sure the client command sets the DISPLAY environment variable for gnome-session:
(DISPLAY=%IP#% dbus-run-session -- gnome-session &)
The desktop fails to launch on systems with Wayland installed
Make sure the GNOME 3 Desktop is launched with a unique D-Bus session by prefixing the X client command with dbus-run-session --
(dbus-run-session -- gnome-session &)
The desktop fails to close when a user logs out of the desktop
Make sure the GNOME 3 Desktop is launched with a unique D-Bus session by prefixing client command with dbus-run-session --
(dbus-run-session -- gnome-session &)
The desktop launches but is very slow to load and refresh the display.
Try the following configuration settings:
Make sure Direct rendering mode is enabled in the Advanced GLX settings. (See GLX Extension Options Dialog Box).
Configure the desktop for a distributed session. If you're using X Manager, see How to Configure a Distributed Session in Standalone Mode. If you're using X Manager for Domains, see Domain Setup: Improve Performance Over a Slow Network.
The desktop fails to launch when a remote host has proprietary video drivers installed such as NVIDIA
Set __GLX_VENDOR_LIBRARY_NAME=mesa in the environment before launching the command as follows:
(__GLX_VENDOR_LIBRARY_NAME=mesa dbus-run-session -- gnome-session &)