> hdparm -d /dev/sda HDIO_GET_DMA failed: Inappropriate ioctl for device > lspci -k #parsed for related devices 00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA IDE Controller (rev 02) Subsystem: Intel Corporation Device 5442 Kernel driver in use: ata_piix 00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA IDE Controller (rev 02) Subsystem: Intel Corporation Device 5442 Kernel driver in use: ata_piix 03:00.0 IDE interface: Marvell Technology Group Ltd. 88SE6121 SATA II Controller (rev b2) Subsystem: Intel Corporation Device 5442 Kernel driver in use: pata_marvell Reproducible: Always Steps to Reproduce: 1.emerge and run hdparm -d 2. 3. Actual Results: hdio_get_dma fails Expected Results: hdparm displays (And can adjust) dma settings kernel has built in support for ata_piix CONFIG_ATA_PIIX=y
Created attachment 221717 [details] full lspci -k output
Created attachment 221719 [details] kernel config
Created attachment 221721 [details] emerge info
try hdparm-9.27 and if it still doesnt work, best bet is to file a tracker at http://sourceforge.net/projects/hdparm/ we dont have the hardware or expertise to assist in this ...