I was mistaken. It is NOT my m.2 drive, it is a regular USB sata drive. It is probably a UAS problem. [ 4.803361] scsi host1: uas [ 4.809137] scsi 1:0:0:0: Direct-Access Seagate BUP Slim 1707 PQ: 0 ANSI: 6 [ 4.819109] usb 1-1.2.2.1: new full-speed USB device number 6 using xhci_hcd I'm going to look at that.