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Date: Sun, 03 May 2009 16:26:19 +0200
From: Fabian Wenk <fabian@wenks.ch>
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Subject: Re: IPFW MAX RULES COUNT PERFORMANCE
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Hello Daniel

On 27.04.09 18:19, Daniel Dias Gonçalves wrote:
> What may be happening ? I'm with polling enabled on all interfaces, can 
> you influence ?

> If I disable the polling, no network interface work, begins to display 
> "em4 watchdog timeout".

If you are using polling on the Ethernet interfaces you need to 
increase the HZ to around 2000 - 5000 (more details in the 
polling(4) manpage). Set it either in the /boot/loder.conf with 
"kern.hz=5000" and reboot or in the kernel config with "options 
HZ=5000" and rebuild kernel and reboot.


bye
Fabian