I have also the same problems with hdparm and my sata drive. hdparm -d and -u print nothing (only /dev/sda) and hdparm -i reports "HDIO_GET_IDENTITY failed: Inappropriate ioctl for device"
lspci says: 00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80) The running kernel is 2.6.17-6-amd64-k8. -- libata + sata == nodma https://launchpad.net/bugs/55346 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
