Your case sounds quite similar to mine since LTS isn’t working for you either. I see you have an NVMe device so I think this is worth trying.
Try adding
nvme_core.default_ps_max_latency_us=0 pcie_aspm=off
to your kernel boot parameters (GRUB e to temporarily edit an entry, or use Garuda boot options which may be easier).
If you’re interested in the full thread: