> Does anyone know how to prevent my "nouveau" video card and "ath" wifi > card from sharing interrupt 19? I can't move the video card slot and > I'd rather not move the wifi card slot if possible. > > BTW, does anyone see any other opportunity for interrupt optimization > here? I'm trying to optimize for video and especially audio, and I'm > using a USB 1.0 sound card. > > # cat /proc/interrupts > CPU0 > 0: 473139 IO-APIC-edge timer > 1: 2 IO-APIC-edge i8042 > 7: 1 IO-APIC-edge > 8: 127 IO-APIC-edge rtc0 > 9: 0 IO-APIC-fasteoi acpi > 12: 3 IO-APIC-edge i8042 > 14: 0 IO-APIC-edge ide0 > 19: 135597 IO-APIC-fasteoi nouveau, ath > 20: 2 IO-APIC-fasteoi ehci_hcd:usb2 > 21: 13860 IO-APIC-fasteoi ehci_hcd:usb1 > 22: 971970 IO-APIC-fasteoi ohci_hcd:usb4 > 23: 3446 IO-APIC-fasteoi ohci_hcd:usb3 > 28: 21524 PCI-MSI-edge ahci
FWIW a grep of the nouveau source doesnt bring up any hits on MSI, so it looks like the driver doesnt support it yet. Likewise no hits for ath5k, however ath9k does support it.
