From Fedora Project Wiki

Description

This test case tests the multiple desktop functionality in Hybrid gpu machines where no video outputs are connected to the Discrete gpu, so it is purely an accelerator / co-processor with XORG

Setup

  1. Download Fedora 25 Beta or latest nightly

How to test

  1. Update all packages to the latest version: "sudo dnf update"
  2. Reboot, log into a "GNOME on Xorg" session
  3. Run glxgears on the Primary GPU: glxgears -info | grep REND
  4. Run glxgears on the Secondary GPU: GPU DRI_PRIME=1 glxgears -info | grep REND

Expected Results

  1. glxgears should properly show the animated gears in both cases
  2. The GL_RENDERER string should be different between the 2 runs, matching the 2 different GPUs used
  3. Everything in X11 should run alright.



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