Interrupt storm on acpi0 occurred after madt.c change

[Sangwoo Shim]

On Sun, Feb 01, 2004 at 12:49:50PM -0600, Peter Schultz wrote:
> David Rhodus wrote:
> >
> >I assume your watching the interrupts via `systat -vm 1` do you see them
> >across all irq's or some specific locations ?
> >
> 
> For me, the storm is concentrated on irq20.
> 
> Pete...

Me, too. I've attached my storm-suffering machine's vmstat -i output.
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interrupt                          total       rate
irq6: fdc0                             5          0
irq8: rtc                          52825        127
irq14: ata0                         1903          4
irq18: xl0                           526          1
irq19: uhci0 pcm0                   1268          3
irq20: acpi0                    19840162      47923
irq0: clk                          41265         99
Total                           19937954      48159