On Thu, May 31, 2001 at 11:19:28AM +0100, Dave Hodgkinson wrote:
> What does hdparm have to say?

Ah yes, thanks, I remember that from 1997, the last time I used it :-)

I switched DMA on both drives (hdparm -d1), and interrupts went down,
transfer rate went up and all was good. Now, why do I have to do that?
dmesg reports:

    ide0: BM-DMA at 0xc000-0xc007, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xc008-0xc00f, BIOS settings: hdc:DMA, hdd:pio

i.e. both DMA, so why does hdparm -d say using_dma off (and the system
generally crawl)?


How would you have done it?

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