On Thursday, 19 September 2019 11:37:34 CEST LuKaRo wrote:
[...]
glxinfo furthermore says:
Extended renderer info (GLX_MESA_query_renderer): Vendor: Intel Open Source Technology Center (0x8086) Device: Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2) (0x1916) Version: 19.1.7 Accelerated: yes Video memory: 3072MB Unified memory: yes Preferred profile: core (0x1) Max core profile version: 4.5 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.2
So indeed the HD 520 seems to be doing all the work, with the NVIDIA Quadro idling around.
At least NVIDIA graphics cards can go bad in that they can cause temporary hangs, accompanied by log messages, indicating that the GPU is damaged. So perhaps if you were to stress-test the graphics card, or if you were to use the other card instead, you might be able to see some interesting results.