Jan Engelhardt wrote:
Hello list,let's take the following /proc/interrupts dump (CPU2,CPU3 trimmed)... CPU0 CPU1 0: 37041766 37038991 IO-APIC-edge timer 1: 10 2 IO-APIC-edge i8042 8: 0 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-level acpi 12: 114 0 IO-APIC-edge i8042 14: 25219 5800049 IO-APIC-edge ide0 201: 260381 238454 IO-APIC-level aacraid 209: 0 0 IO-APIC-level ohci_hcd:usb1 217: 0 0 IO-APIC-level ehci_hcd:usb2 225: 57531742 0 IO-APIC-level eth0,[EMAIL PROTECTED]:0000:03:00.0 233: 26 0 IO-APIC-level eth1 NMI: 1661 1397 LOC: 147579966 147579949 ERR: 0 MIS: 0 My question is whether it is possible that eth0's interrupts go to CPU0 and radeon's to CPU1, and if so, how I would enable that. Alternatively, is it possible to just move eth0 or radeon to a different interrupt?
Generally (at least in APIC mode) the IRQ assignments are based on hard-wired interrupt lines on the board. In this case, the slots that the Radeon and eth0 card are in likely share a physical interrupt line and there is no way to separate them in software. You can try moving the card(s) to different slots..
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