High interrupt CPU in top...

Dutch Ingraham stoa at gmx.us
Mon Oct 27 23:54:14 UTC 2014


On 10/27/2014 17:37, Peter Harrison wrote:

> 
> [peter 181]> vmstat -i
> interrupt                          total       rate
> irq1: atkbd0                       11870          1
> irq9: acpi0                        27499          4
> irq12: psm0                       234774         39
> irq16: uhci3                  1250818252     210292
> irq20: hpet0 uhci0               6977995       1173
> irq21: uhci1                          11          0
> irq23: ehci0                           2          0
> irq257: hdac0                      16380          2
> irq258: iwn0                      559063         93
> irq259: ahci0                     103732         17
> irq260: vgapci0                   311808         52
> Total                         1259061386     211678
> 
> 
> Any idea why the uhci is causing such a high interrupt rate? Is that
> normal? Sorry for being so noob.
> 
> 
> 
> Peter Harrison.
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Please post back the output from <pciconf -lvc>


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