Messages in this thread | | | Date | Tue, 23 Mar 2004 22:10:57 +0100 (CET) | From | Guennadi Liakhovetski <> | Subject | RE: spurious 8259A interrupt |
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On Tue, 23 Mar 2004, Maciej W. Rozycki wrote:
> On Tue, 23 Mar 2004, Guennadi Liakhovetski wrote: > > > Yes, I saw this your explanation. Thanks again. But, I am not getting > > those errors with local APIC disabled. That's why I thought "local APIC -> > > Is the local APIC normally disabled, i.e. do you see a message like: > "Local APIC disabled by BIOS -- reenabling." when you boot with your local > APIC enabled? That might explain the difference.
Yes.
> what you observe. As the local APIC latches edge-triggered interrupts it > receives (unlike the 8259A) a glitch on an interrupt line does not have to > last long enough for a CPU to accept it for a spurious interrupt to be > recorded.
Ok, I'll buy it. And thanks for the explanations!
Guennadi --- Guennadi Liakhovetski
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