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Old 02-09-2019, 03:10 AM   #1
Tobbe
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Question How/where do I change prio on my soundcard?

Hi,

When I run:
sudo /etc/init.d/rtirq start

I get this:
Setting IRQ priorities: start [HDA-Intel] irq=128 pid=387 prio=90: OK.
Setting IRQ priorities: start [xhci_hcd] irq=123 pid=123 prio=85: OK.
Setting IRQ priorities: start [i8042] irq=1 pid=77 prio=80: OK.

I guess my Behringer U-PHORIA UMC22 is i8042 and should be at the top, first priority, right? What is xhci_hcd? Anything to pay attention to?

How and where do I change the order?

Thank you
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Old 02-09-2019, 11:16 AM   #2
Glennbo
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The HDA-Intel device is your on-board audio from your motherboard.
As far as the order of that list, I don't think it matters. I have two M-Audio Delta 2496 cards and mine looks like this:

Setting IRQ priorities: start [HDA-Intel] irq=32 pid=540 prio=95: OK.
Setting IRQ priorities: start [ICE1712] irq=16 pid=544 prio=95: OK.
Setting IRQ priorities: start [HDA-Intel] irq=17 pid=541 prio=95: OK.
Setting IRQ priorities: start [HDA-Intel] irq=17 pid=614 prio=94: OK.
Setting IRQ priorities: start [ICE1712] irq=17 pid=614 prio=95: OK.

There is a thread from a few months back when Jack Winter was helping me get my M-Audio cards setup for low latency performance. There may be some useful info there that you can use. Here's the link.

https://forum.cockos.com/showthread.php?t=210218
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Old 02-10-2019, 10:37 AM   #3
Tobbe
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Thanks
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Old 02-11-2019, 12:02 PM   #4
Jack Winter
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Quote:
Originally Posted by Tobbe View Post
Hi,

When I run:
sudo /etc/init.d/rtirq start

I get this:
Setting IRQ priorities: start [HDA-Intel] irq=128 pid=387 prio=90: OK.
Setting IRQ priorities: start [xhci_hcd] irq=123 pid=123 prio=85: OK.
Setting IRQ priorities: start [i8042] irq=1 pid=77 prio=80: OK.

I guess my Behringer U-PHORIA UMC22 is i8042 and should be at the top, first priority, right? What is xhci_hcd? Anything to pay attention to?

How and where do I change the order?

Thank you
Your Behringer will be on usb, that is xhci_hcd. i8042 is the PS/2 (keyboard) controller.
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Old 02-14-2019, 07:10 AM   #5
Tobbe
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Quote:
Originally Posted by Jack Winter View Post
Your Behringer will be on usb, that is xhci_hcd. i8042 is the PS/2 (keyboard) controller.
Thanks
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