Re: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardware

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Jan 12 2001 - 18:27:28 EST


> interrupt controllers (io-apic definitely included). Drivers would
> generally be better off if they disabled their own chip from sending
> interrupts, rather than disabling the interrupt line the chip is on.

That doesn't work very well because the device irq can arrive a measurable
number of clocks after you disable it on the source and there is no way to
say 'and be sure the stupid thing has propogated the apic bus'

Alan

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