157k interrupts per second causing 60% CPU load on idle system

[Ivan Voras]

On 20/03/2012 06:26, Matt Thyer wrote:
> I've upgraded my FreeBSD-STABLE NAS from r225723 (22nd Sept 2011) to
> r232477 (4th Mar 2012) and am finding that a system process called "intr"
> is now constantly using about 60% of 1 CPU starting a short time after
> reboot (possibly triggered by use of the samba server).
> 
> When this starts, systat -vm 1 says that the system is 85% idle and 14%
> interrupt handling.
> It says that there's around 157k interrupts per second.
> 

Ok, but *which* interrupt is getting triggered? Please send the output
of "vmstat -i".


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