Comment 300 for bug 445852

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.