Re: [LAU] Too many xruns

On 09/06/2012 07:02 PM, Kevin Cosgrove wrote:
> I did a search for "irq" on this website
>
> http://www.manualowl.com/m/Asus/P8Z68-DELUXE%2FGEN3/Manual/263040?page=91
>
> and found a page (2-14) that lists the (non-alterable???) IRQ
> assignments for my motherboard. The good news is that one of
> the legacy PCI slots has less stuff on the IRQ. The bad news
> is that one of the PCI slots has lots of stuff on that IRQ.
>
> Looking at IRQ 16 above, my nVidia shows up. It's PCiE x16,
> and my motherboard seems to have 3 of those slots, with one slot
> being on a different IRQ. I suspect moving the video card might
> help, right?
>

It's always worth a try. The less crowded an IRQ the better I guess.

> Basically, my strategy would be to disable drivers I don't use.
> For instance, I don't have any firewire gear. Next, I'd move
> anything I could to a slot using a different IRQ than the one
> I want to reserve for the Delta 1010. Seem like a good plan?
>

Yes. You can disable the FireWire driver by blacklisting it in
/etc/modprobe.d or disable it on the cli with sudo modprobe -r
firewire_ohci (or running that command as root). You could even try
unbinding the USB port and if you could move your nvidia GPU to another
slot it would almost free up IRQ 16.

Best,

Jeremy

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Received on Fri Sep 7 00:15:01 2012