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    SubjectRe: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
    On 9/17/07, Tejun Heo <> wrote:

    > >>>> BTW, this only happens when using libata of course. The
    > >>>> old CONFIG_IDE stuff works fine every time.
    > >>> This maybe one of libata weirdness (I really don't get it why some hardware
    > >>> works perfectly fine with an old IDE and don't work well with libata).
    > >> Hmmm... Is MWDMA2 mode used with ide driver too?
    > >>
    > >
    > > What's the best way to tell whether it does or not? (the log says
    > > "selected mode 0x22", see below)
    > Yes, that's MWDMA2. Hmm... We're seeing many cases where MWDMA doesn't
    > work with libata while it works fine with IDE but have no idea what's
    > going on yet. :-(

    Okay, thanks. Please feel free to contact me if you need any more testing done.

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      Last update: 2007-09-17 14:07    [W:0.020 / U:226.212 seconds]
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