I can confirm that the logs are identical to those shown in the arch wiki article. I’ll try turning off iommu.
The very first log is:
nvme nvme0: controller is down; will reset; CSTS=0x3, PCI_STATUS=0x10
did some investigation in the source code and looks like the controller status (CSTS) has the Controller Fatal Status (CFS) bit set (0x2).
when I search “controller is down” into google, the first link is this page: Nvme0: controller is down; will reset. So perhaps related to framework, or perhaps related to the SSD. If I can’t fix it I’ll just buy a new SSD.