Messages in this thread | | | Subject | Re: prioritize PCI traffic ? | From | Soeren Sonnenburg <> | Date | Mon, 15 Jan 2007 13:07:29 +0100 |
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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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