NanoPi M4v2 with official NVME hat kit, boot from EMMC with OS: Armbian w/ debian Bullseye, Linux 5.10.12-rockchip64 SSD: Kioxia XG6 (Thinkpad part) That also happened with 5.9 kernel. Not tested with other OS. When doing cold boot, always got kernel messages like: Feb 11 01:14:34 localhost kernel: ...