>>> 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. > > Nice, thanks Adam. Sounds like ath9k is the way out. > > - Grant
Ah nevermind, I guess ath9k is 802.11n only. Maybe they'll add MSI support to ath5k. - Grant