hi, i am debugging a mainboard with an external pci network adapter. the adapter share irq with usb. it seems not correct, so i want to assign an irq for this adapter. how to do that? thank you.
/proc/interrupt eth1 is an external pci network adapter. i want to assign irq 21 for it.
CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 0: 59 0 0 0 0 0 0 0 IO-APIC-edge timer 1: 0 0 1 0 1 1 0 0 IO-APIC-edge i8042 7: 1 0 0 0 0 0 0 0 IO-APIC-edge 8: 0 0 0 0 0 0 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 0 0 0 0 IO-APIC-fasteoi acpi 12: 0 0 0 1 1 0 1 1 IO-APIC-edge i8042 14: 0 0 0 0 0 0 0 0 IO-APIC-edge pata_atiixp 15: 0 0 0 0 0 0 0 0 IO-APIC-edge pata_atiixp 16: 93 95 80 91 96 94 98 97 IO-APIC-fasteoi ohci_hcd:usb3, ohci_hcd:usb4 17: 1 0 1 0 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb1 18: 4 4 4 4 4 4 2 4 IO-APIC-fasteoi ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7 19: 1 1 0 0 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, eth1 22: 672 685 691 692 693 683 687 681 IO-APIC-fasteoi ahci 296: 119 99 127 87 125 96 121 105 PCI-MSI-edge eth0-rx-0 297: 0 0 0 0 0 0 0 0 PCI-MSI-edge eth0-tx-0 298: 1 0 0 0 0 0 0 0 PCI-MSI-edge eth0 299: 123 125 105 138 93 135 106 132 PCI-MSI-edge eth2-rx-0 300: 2 4 4 0 1 2 1 3 PCI-MSI-edge eth2-tx-0 301: 0 0 1 0 0 0 0 2 PCI-MSI-edge eth2 NMI: 0 0 0 0 0 0 0 0 Non-maskable interrupts LOC: 4050 1673 3943 2348 2519 2963 3093 1644 Local timer interrupts SPU: 0 0 0 0 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 0 0 0 0 Performance monitoring interrupts IWI: 0 0 0 0 0 0 0 0 IRQ work interrupts RTR: 0 0 0 0 0 0 0 0 APIC ICR read retries RES: 5454 4177 5477 3690 5121 3822 5342 3630 Rescheduling interrupts CAL: 44 58 52 57 46 56 50 59 Function call interrupts TLB: 291 391 291 336 274 344 237 395 TLB shootdowns TRM: 0 0 0 0 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 0 0 0 0 Machine check exceptions MCP: 6 6 6 6 6 6 6 6 Machine check polls ERR: 1 MIS: 0
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WANG Siyuan