I modify kernel codes to stat that.
And it's test in a real telecom environment.

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave+Seddon
Sent: 2005年10月3日 6:15
To: freebsd-net@FreeBSD.org
Subject: Re: problems with em(4)

Greetings, 

> M> The problem is:
> M> 
> M>          After the system run about 3 hours, there will be large "Ierrs"
> M>          The system is not heavy loaded, incoming rates of em0 is less
> M> than 150Mbits/s. em1 and em2 are not connected.
> M> 
> M>          After 3 hours, the ierrs raise quickly every 1 minutes!
> M> 
> M>          I think is a problem with em(4) driver.
> M> 
> M>          Anyone meet such condition?

Yes.  Lots of people.  3 hours does seem to be the magic number, regardless 
of the volumne of traffic. 

I'm interested in what you do sniffing 150MB/s.  Normally libpcap can't 
handle that amount of traffic. 

Regards,
Dave Seddon
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