problems with em(4)
Mao Shou Yan
david.mao at thomson.net
Fri Oct 7 19:05:14 PDT 2005
I modify kernel codes to stat that.
And it's test in a real telecom environment.
From: owner-freebsd-net at freebsd.org =
[mailto:owner-freebsd-net at freebsd.org] On Behalf Of Dave+Seddon
Sent: 2005=C4=EA10=D4=C23=C8=D5 6:15
To: freebsd-net at FreeBSD.org
Subject: Re: problems with em(4)
> M> The problem is:
> M> After the system run about 3 hours, there will be large =
> M> The system is not heavy loaded, incoming rates of em0 is =
> M> than 150Mbits/s. em1 and em2 are not connected.
> M> After 3 hours, the ierrs raise quickly every 1 minutes!
> M> I think is a problem with em(4) driver.
> M> Anyone meet such condition?
Yes. Lots of people. 3 hours does seem to be the magic number, =
of the volumne of traffic.=20
I'm interested in what you do sniffing 150MB/s. Normally libpcap can't=20
handle that amount of traffic.=20
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