Re: prioritize PCI traffic ?

From: Andreas Mohr
Date: Mon Jan 15 2007 - 07:01:40 EST


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

Not sure whether this is a LKML related question ;)

Andreas Mohr
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