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Re: Bug in x86 ioapic interrupt code for devices with shared interrupts?: msg#00009

Subject: Re: Bug in x86 ioapic interrupt code for devices with shared interrupts?

On Mar 1, 2006, at 11:46 AM, Thor Lancelot Simon wrote:

One of the NetBSD Foundation servers is a dual-Opteron with an onboard
dual Broadcom gigabit chip.  This chip, as far as I can tell from some
experiments, gets seriously disturbed by the driver's tendency to
acknowledge interrupts even if they're not actually from the device.

This is a bug in bge(4), plain and simple. It should not acknowledge the interrupt if it did not generate it, period.

-- thorpej





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