Get hdparm package and run hdparm /dev/hda or sda or what ever your root hard drive is, and that will give you information on your hard drive usually hdparm -d1 /dev/hda will turn on dma try hdparm -d1 -m16 -c1 /dev/hda that should take care of most of it. I had the same problem as you and someone helped me out with it.
Balazs Javor wrote: > Hi, > > How can I find out whether the hard disks in my Woody box > are using the best possible DMA mode (or any DMA at all)? > > Allthough I have a relativly slow machine (VIA C3 800 + 256MB), > I have an ATA100 controller (VIA PL133) and two Seagate Barracuda IVs. > So they should be relatively fast and use not much CPU, or shouldn't > they? > > But on my 2.4.18 machine it can take ages to transfer large file > between them. And while the file transfer takes place the CPU > usage is above 90% and XFree becommes _extremely_ sluggish. > Even if I try to move the mouse there are stops and a quite large lag... > > Is this normal, or do I need to set up something differently? > > >From dmesg I can see something like this: > > Uniform Multi-Platform E-IDE driver Revision: 6.31 > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx > VP_IDE: IDE controller on PCI bus 00 dev 39 > VP_IDE: chipset revision 6 > VP_IDE: not 100% native mode: will probe irqs later > ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA > ... > hda: ST380021A, ATA DISK drive > hdb: ST380021A, ATA DISK drive > > (Just noticed) Under /proc/ide/hda/settings I have: > > using_dma 0 0 1 rw > > So it seems DMA is off, right? > > What do I need to do? > > Many thanks for your help in advance! > best regards, > Balazs > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
