Roman, > I do not have other Samsung (m)SATA models to verify. On the bugreport > someone confirmed this to be an issue for them too. Let's try asking > if they have the mSATA model too, and what firmware revision. Mine is > RVT42B6Q and there were no updates available last time I checked. I have tested two mSATA 860s on two different systems, both with Intel AHCI controllers, and queued trim works fine for me. I'll try a few more things tomorrow. -- Martin K. Petersen Oracle Linux Engineering