>>>>> "Günter" == Günter Waller <g.wal@xxxxxx> writes: Günter> the second command, however, did not seem to produce anything Günter> useful. But beware: this is the old firmware, EXT0BB6Q, Yes, this confirms that the old firmware did not support queued TRIM. Whereas the new one does. I'll try to reach out to my contacts at Samsung again so we can get this resolved. Until then, I have sent out a patch that blacklists queued TRIM for all Samsung 800-series drives. It appears to be generic to their implementation and not tied to a particular drive model. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html