> I can be certain that no company would be stupid enough to design a > separate controller for each capacity and form factor of their devices. > They use one or a very few chips. But they do fix the firmware, and you see that with hard disks as well. > Why no good? People just get lower performance (on an old motherboard, > where no one expects high performance anyway). Which they don't notice or report > > On the other hand, if you miss a device from the blacklist, people get > crashes. Which they do notice or report (and in the meantime can boot with libata.dma=0 or one of the MWDMA settings). > Crashes are worse than lower performance. Not always. Inflicting poor performance (and also *much* lower data integrity) on people isn't a good idea in this case IMHO. That's based upon experience with disks and what gets fixed. -- 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