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    SubjectRe: 2.6.19: ALi M5229 - CD-ROM not found with pata_ali
    Date
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    On Saturday 02 December 2006 00:57, Alan wrote:
    > > Still the same in 2.6.19 + suspend pata_ali patch. The only way I can get
    > > CD-ROM is with
    > >
    > > options pata_ali atapi_max_xfer_mask=0x7f
    >
    > And I've still got no idea why. Having studied the docs, the old and new
    > drivers and a lot more I see no difference to explain it.
    >

    Irrespectively - why libata does not fall back to PIO when DMA failed? This at
    least would have given working device (even somewhat degraded perfrormance).

    - -andrey
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