Hi, short description of my problem is: with vt-d enabled in bios the sata 6g ports are not recognized; when vt-d is disabled the sata6g ports work... Sata ports are on 04:00.0 SATA controller: Marvell Technology Group Ltd. Device 9120 (rev 12) kernel is 3.1.0-rc8+ Dmesg with vt-d enabled is here: http://pastebin.com/YLJU8yMJ Thanks for your input on this! Greetings Tobias -- 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