Dave Ewart wrote:
Ok, i' root, and i'm using a custom reviewed 2.6.10 kernel.On Wednesday, 06.04.2005 at 12:43 +0200, Marco Calviani wrote:i would like to enable DMA on my laptop (with a Intel 855GME chipset) since this is the results from *hdparm*: Code: hdparm -t /dev/hda /dev/hda: Timing buffered disk reads: 10 MB in 3.30 seconds = 3.03 MB/sec very poor. However when i try to enable it with *hdparm -d1 /dev/hda* i've got the error: Code: /dev/hda: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) Maybe i've got some IDE module missing?Assuming this is done as root? If not, you need to do that; if already root, what kernel are you running? Dave. Regards, MC |