It look like there was a patch added to fix this https://github.com/torvalds/linux/commit/7fee72d5e8f1e7b8d8212e28291b1a0243ecf2f1
/* All Seagate disk enclosures have broken ATA pass-through support */ if (le16_to_cpu(udev->descriptor.idVendor) == 0x0bc2) flags |= US_FL_NO_ATA_1X; Since the id is 0bc2 this fix should fix the problem do no known if in ubuntu 4.15.0-36. If not is there any way to turn off uas ? from lsusb Bus 003 Device 006: ID 0bc2:331a Seagate RSS LLC -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1810215 Title: Smart data works on 16.04 but not 18.4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/smartmontools/+bug/1810215/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs