If you have not disabled NCQ in /etc/default/grub, if you run
fstrim -av
manually 3-4 times, one after the other, you will get data loss.
It has happened to me with *buntus 14.04.2, 14.10, 15.04.
If you disable NCQ in grub, everything is fine.
If you have not disabled NCQ in /etc/default/grub, if you run
fstrim -av
manually 3-4 times, one after the other, you will get data loss.
It has happened to me with *buntus 14.04.2, 14.10, 15.04.
If you disable NCQ in grub, everything is fine.