Previously posted on Ask Ubuntu. Removed for irrelevancy:
- Linux Mint 17.3 Cinnamon 64-bit
- Kernel 3.19.0-32-generic
- Intel Xeon E3-1231 v3 (4 core, 8 thread)
- NVIDIA GeForce GTX 950 NVIDIA driver 375.26
I noticed my fans getting a little noisy lately and opened the system monitor to find one of the threads of my 8 thread (4 core) CPU under constant 100% load.
I ran top and got the following result:
Polyhedra is the screen saver I've been using for a while but did not have this problem until recently. (Obviously the screen saver itself was not running at the time I took the screenshot. The process continued until I killed it manually in system monitor)
I started scrolling through the screen savers in the settings menu and every time a new xscreensaver screen saver that has 3D graphics was opened in the preview window another CPU thread hit 100% and stayed there until I killed the process:
I recently updated NVIDIA drivers (including CUDA) and had trouble installing them on first try from the update manager. I suspect this might be a source of the problem. Does anyone know?