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DateSun, 21 Dec 2003 20:23:38 +0100
FromJens Axboe <>
SubjectRe: 2.6 vs 2.4 regression when running gnomemeeting
On Sat, Dec 20 2003, Matthias Andree wrote:
> 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?

It's just for PIO.

-- 
Jens Axboe

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