The applications launched in the XDMCP session are showing the black window.

Solution Verified - Updated -

Issue

  • When a user try to launch any application(Eg: Firefox, GNOME-Terminal and GNOME-Control-Center etc..) in the XDMCP session, the application windows is complete black.
  • Every GUI application is showing same behaviour in the XDMCP session.
  • The problem is reproducible only when the user connects to the RHEL7.6 system via xdmcp from the other system in the network.

Environment

  • Red Hat Enterprise Linux 7.6
  • gdm-3.28.2-10.el7.x86_64
  • Mesa

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