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SubjectRe: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware
Alan Cox wrote:
>
> > Could you disable both bandaids? I disabled them, no problems so far.
> > Now back to the disable_irq_nosync().
>
> Ok so it looks like the disable_irq code is buggy. Unfortunately its not
> just used for these drivers they are just the heaviest users.
>
> Given that we can see the IRQ is still set on the APIC can we fake an IRQ in
> that condition ?

As you think about this problem, please bear in mind that
this loss of APIC interrupts also occurs in 2.2 kernels.

Donald may have more details.

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