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    SubjectRe: 2.6 vs 2.4 regression when running gnomemeeting
    On Sat, 20 Dec 2003, Nick Piggin wrote:

    > >/dev/hda:
    > >multcount = 0 (off)
    > >IO_support = 0 (default 16-bit)
    > >unmaskirq = 0 (off)
    > >using_dma = 1 (on)
    > >keepsettings = 0 (off)
    > >readonly = 0 (off)
    > >readahead = 256 (on)
    > >geometry = 65535/16/63, sectors = 117210240, start = 0
    > >
    >
    > This might be a problem - try turning unmaskirq on, and possibly
    > 32-bit IO support on (hdparm -u1 -c1 /dev/hda). I think there is
    > a remote possibility that doing this will corrupt your data just

    Does 32-bit I/O support make a difference for DMA transfers at all or
    just for PIO?

    --
    Matthias Andree

    Encrypt your mail: my GnuPG key ID is 0x052E7D95
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