On Sun, 21 Feb 2010 11:22:59 -0600 Robert Hancock <hancockrwd@xxxxxxxxx> wrote: > My next suggestion would be to try changing this line in drivers/ata/ahci.c: > > pi.flags |= ATA_FLAG_NCQ | ATA_FLAG_FPDMA_AA; > > to > > pi.flags |= ATA_FLAG_NCQ; Same result than before: # dd if=/dev/sda of=/dev/null bs=1M skip=600 count=300 300+0 records in 300+0 records out 314572800 bytes (315 MB) copied, 4.2124 s, 74.7 MB/s -- 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