I’m having the same NVMe issue with my VisionFive2. I’ve been struggling with this for a week.
After some research I added nvme_core.default_ps_max_latency_us=0 to /boot/boot/extlinux/extlinux.conf .
This got rid of the I/O errors, but now causes a random reboot instead.
I’ll try adding your other parameters.
thank you.