On Sat, 09 May 2009 03:35:05 -0400, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > > For hardware details, see > http://ata.wiki.kernel.org/index.php/Libata_error_messages Thanks for the link. > > The ATA bus is the cable connection, so an ATA bus error typically means > > - problem with your cable, or > - your motherboard's SATA port, or > - your drive's SATA port, or > - "dirty power" supply, or > - some other cause for cable interference > I have changed SATA cables twice and I added a better PSU. The problem persists. Do you have any insight on the sectors count mismatch I mentioned in the first mail? The disk is 250GB but it looks it is searching for a 500GB disk (that is md0 = sda + sdb). Is it possible the SATA reset thing to trigger an md bug. I am totally guessing here... Regards .bill -- 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