I too have experienced this error. SDD is working fine but I'm worried with this odd message.
Dmesg: ata5: drained 512 bytes to clear DRQ [ 7.955932] ata5.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [ 7.955998] ata5.01: failed command: SMART [ 7.956059] ata5.01: cmd b0/d5:01:06:4f:c2/00:00:00:00:00/10 tag 0 pio 512 in res 58/00:ff:08:4f:c2/00:00:00:00:00/10 Emask 0x2 (HSM violation) [ 7.956162] ata5.01: status: { DRDY DRQ } [ 7.956240] ata5: soft resetting link Kernel: 4.4.0-58-generic #79-Ubuntu SMP Tue Dec 20 12:12:35 UTC 2016 x86_64 $ dpkg -l | grep libatasmart ii libatasmart4:amd64 0.19-3 If you need other info, I will be glad to help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/445852 Title: devkit-disks-probe-ata-smart causes HSM Violations on SSD, and potential hardware death To manage notifications about this bug go to: https://bugs.launchpad.net/easypeasy-project/+bug/445852/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs