On Mon, 2007-01-15 at 13:01 +0100, Andreas Mohr wrote:
> Hi,
>
> On Mon, Jan 15, 2007 at 12:07:45PM +0100, Soeren Sonnenburg wrote:
> > Dear all,
> >
> > is it possible to explicitly tell the kernel to prioritize PCI traffic
> > for a number of cards in pci slots x,y,z ?
> >
> > I am asking as severe ide traffic causes lost frames when watching TV
> > using 2 DVB cards + vdr... This is simply due to the fact that the PCI
> > bus is saturated...
> >
> > So, is any prioritizing of the PCI bus possible ?
>
> You probably need to adjust PCI latency settings via setpci:
>
> http://www-128.ibm.com/developerworks/library/l-hw2.html
Thanks, but I already tried this...
> Not sure whether this is a LKML related question ;)
Well I already tried to set maximum latencies etc to the cards to
prioritize to no avail... This did not make a difference though. Maybe
this is due to the fact that a lot more has to be transferred (not just
sound, but video data) and this is not possible in a single
transaction ... ?!
Soeren
--
Sometimes, there's a moment as you're waking, when you become aware of
the real world around you, but you're still dreaming.
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