Literally just had something similar (seemingly unrelated things affecting each other) happening on Windows yesterday. Was doing some 3D rendering and playing around in Ableton at the same time, the GPU process somehow crashed, even though GPU utilization was at 50% and most of the VRAM was available, and somehow that process crash also brought down the entire Windows USB subsystem, which left it in some weird state where it couldn't connect to my USB audio interface, even after reconnecting it.

It required a reboot to get USB to work again, after a completely unrelated process using mostly the GPU crashed. I let Codex spend 2-3 hours trying to get to a root cause of it, but zero luck, just "USB subsystem became unresponsive when the process crashed"...