I have exactly the same drive:
/dev/nvme0n1 S444NY0K600040 SAMSUNG MZVLB256HAHQ-00000 1 81.09 GB / 256.06 GB 512 B + 0 B EXD7101Q
and exactly the same problem.
I filled a bug before deactivating AER (pci=noaer)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1852479
I have exactly the same drive:
/dev/nvme0n1 S444NY0K600040 SAMSUNG MZVLB256HAHQ-00000 1 81.09 GB / 256.06 GB 512 B + 0 B EXD7101Q
and exactly the same problem.
I filled a bug before deactivating AER (pci=noaer)
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1852479