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    SubjectRe: How to disable DMA for compact-flash disk?
    On Tue, 11 Aug 2009 11:51:18 -0700
    Ben Greear <greearb@candelatech.com> wrote:

    > I'm trying to use Fedora 11 with default kernel on an old via system
    > that boots from compact flash. DMA is not supported on the CF for
    > whatever reason, and in previous kernels, I've always disabled
    > DMA, first with ide=nodma, and then later with
    > ide_core.nodma=0.0 ide_core.nodma=0.1 ...

    Fedora switched to libata some releases ago so

    libata.dma=n

    0 - off
    1 - disk only

    + 2 disk/CD
    + 4 disk/CD/CFA

    (so you can turn DMA off just for CFA devices providing they admit they
    are CFA)



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