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    SubjectRe: BCM4312 Fails when xdm is started
    Michael Buesch wrote:
    > On Sunday 23 November 2008 12:49:55 Yuval Hager wrote:
    >> [ 182.891400] ****** b43: B43_MMIO_MACCTL 0x840A0503
    >> [ 182.891409] ****** b43: SSB_TMSLOW 0x20150000
    >> [ 258.299027] irq 10: nobody cared (try booting with the "irqpoll" option)
    >
    >
    > Does the kernel disable the PCI device, if it ignores the IRQ?

    According to /proc/interrupts that Yuval posted earlier, IRQ 10 is not used.

    # cat /proc/interrupts

    CPU0
    0: 271998 IO-APIC-edge timer
    1: 8 IO-APIC-edge i8042
    8: 2 IO-APIC-edge rtc
    9: 2796 IO-APIC-fasteoi acpi
    12: 132 IO-APIC-edge i8042
    14: 0 IO-APIC-edge ide0
    15: 0 IO-APIC-edge ide1
    16: 29161 IO-APIC-fasteoi eth0
    17: 503 IO-APIC-fasteoi HDA Intel
    20: 0 IO-APIC-fasteoi uhci_hcd:usb2
    21: 11085 IO-APIC-fasteoi sata_via, ehci_hcd:usb1, uhci_hcd:usb3
    23: 0 IO-APIC-fasteoi uhci_hcd:usb4
    24: 28003 IO-APIC-fasteoi b43
    NMI: 0 Non-maskable interrupts
    LOC: 2098 Local timer interrupts
    RES: 0 Rescheduling interrupts
    CAL: 0 function call interrupts
    TLB: 0 TLB shootdowns
    TRM: 0 Thermal event interrupts
    SPU: 0 Spurious interrupts
    ERR: 0
    MIS: 0

    After the failure occurs, b43 has disappeared from the IRQ 24 list:

    24: 34154 IO-APIC-fasteoi


    Larry


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