Why Xorg consumes 100% CPU when execute xfreerdp or rdesktop session with radeon driver ?

Solution Verified - Updated 2024-08-02T06:10:54+00:00 -

Issue

When a RDP session xfreerdp or rdesktop is started the Xorg process consumes 100% of the CPU and RDP session against Windows becomes too slow.
The problem is solved when system is booted with radeon.modeset=0 kernel parameter, however this disables radeon.

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