Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)

Matthias Buelow mkb at
Tue May 24 13:17:06 PDT 2005

Max Laier wrote:

> I have seen this on my box.  Disabling one of the USB-ports solved the 
> problem.  I was seeing very high IRQ-rates.  Check $vmstat -i during the 
> process to see if you have abnormal high rate jumps.  It might be that we 
> must investigate some of our drivers to play nice with each other.

Interrupt rates were normal.


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