BTW, the FPS is 1. $ DISPLAY=:0 glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 344 frames in 5.6 seconds = 61.884 FPS 5 frames in 5.0 seconds = 0.997 FPS 6 frames in 6.0 seconds = 1.002 FPS 6 frames in 6.0 seconds = 1.000 FPS
--- I did confirm the i915(iGPU) + amdgpu(dGPU) could reproduce this issue as well. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-amdgpu in Ubuntu. https://bugs.launchpad.net/bugs/1923153 Title: Display output laggy from iGPU when operating on desktop with attaching AMD R7 430 graphic (dGPU) To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1923153/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
