Re: IRQ affinity

[Matthew J. Roth]

Gangaraju.Chowki wrote:
> I have installed fedora-2.6.9-1.681 on SMP 4 way processor(Intel(R)
> Xeon(TM) CPU 3.00GHz).
>
> when i tried to bind IRQ processing to specific CPU or number of CPUs by
> setting up smp_affinity,affinity value getting changed but within secs the
> sysetm randomly chaging with some other values..(for  all IRQ's on the
> system).
>
> I think you undestood me.
>
> Any help appreciated!

Gangaraju,

The irqbalance daemon is changing the affinity values.  It is safe to 
stop it.

For more details, see this post:

Re: Is irqbalance Redundant on 2.6 Kernels? - Resolved 
http://www.redhat.com/archives/rhl-list/2006-March/msg06227.html

Matthew Roth
InterMedia Marketing Solutions
Software Engineer and Systems Developer