Dear Alan, You wrote > The PIIX interface needs CPU intervention each command, so in practice > about every 64K or so, and the CPU gets stalled waiting for the disk > during the setup of each I/O. The newer kernels support AHCI which does > not have this overhead, but it is only present on the newest intel > controllers.
Can you tell me the name of these newest controllers? Is it ICH7 or 8 ? What kernel versions? dmesg only shows ACPI and u/e/o hci_* host controller. (kernel version is 2.6.8-24.25-smp). How can I switch to AHCI ? Thank you very much, Martin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/