Please, read full description of the bug at: https://launchpad.net/bugs/26119 (fully reproducible -at least- with ST340823A disks) The bug tracker is Ubuntu's but I had the same problem with Fedora. -- Saludos, -Roman PGP Fingerprint: 09BB EFCD 21ED 4E79 25FB 29E1 E47F 8A7D EAD5 6742 [Key ID: 0xEAD56742. Available at KeyServ] - : 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