Created attachment 110788 [details] Video recording of the hilarious spinner The spinners in the Plasma 1) splash screen, 2) panel and 3) application center animate at a very high frame rate and look super fast. This could be noticed after I switched the video driver from the open source driver to the NVIDIA proprietary driver. Kubuntu 17.10. HiDPI setup. Scale factor: 2.5 $ echo $XDG_SESSION_TYPE x11 GPU, OpenGL info: NVIDIA Corporation GeForce GTX 960M/PCIe/SSE2 4.5.0 NVIDIA 384.111
Please run kquitapp5 plasmashell QSG_INFO=1 plasmashell from console and paste the startup output
Created attachment 110802 [details] QSG_INFO=1 plasmashell
Try this kquitapp5 plasmashell __GL_YIELD=USLEEP plasmashell
Created attachment 110883 [details] __GL_YIELD=USLEEP plasmashell It spins even faster.
This was fixed a while back.
*** Bug 404220 has been marked as a duplicate of this bug. ***