Re: 2.6 vs 2.4 regression when running gnomemeeting

Matthias Andree
2003-12-20T22:20:38Z

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

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