I tried to test with the latest available kernels from both the 6.5.x and 6.6.x branches, and these issues are still there. I'm not really sure about what's going on, but I think we can reasonably assume that the problem does not lie in the kernel (it started about the last days of December like I said, and I had those kernel versions before when everything was working ok). If there are more things that I need to investigate or info that I can collect, let me know.