CPU time accounting broken on 8-STABLE machine after a few hours of uptime

[Don Lewis]

On 28 Sep, Don Lewis wrote:


> % vmstat -i
> interrupt                          total       rate
> irq0: clk                       60683442       1000
> irq1: atkbd0                           6          0
> irq8: rtc                        7765537        127
> irq9: acpi0                           13          0
> irq10: ohci0 ehci1+             10275064        169
> irq11: fwohci0 ahc+               132133          2
> irq12: psm0                           21          0
> irq14: ata0                        90982          1
> irq15: nfe0 ata1                   18363          0
> 
> I'm not sure why I'm getting USB interrupts.  There aren't any USB
> devices plugged into this machine.

Answer: irq 10 is also shared by vgapci0 and atapci1.