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Date:      Fri, 18 Oct 2013 10:48:21 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Andriy Kopystyansky <anri@polynet.lviv.ua>
Cc:        FreeBSD Net <freebsd-net@freebsd.org>, mybsd <mybsd@hotmail.com>
Subject:   Re: Intel 82580 lagg(4) problem
Message-ID:  <CAJ-Vmo=Z1pemHx0sHeG0BQtO2FDTn=LUzaK3qX%2BnxTNPavW1Uw@mail.gmail.com>
In-Reply-To: <20131018112519.Horde.OAQo4gNXUK8BEHk3Ha0pIw2@mail.polynet.lviv.ua>
References:  <20130930121027.Horde.taTEbLTlKvRSSUADQ3_q1_A@webmail.polynet.lviv.ua> <CAJ-Vmo=00SzCNtcKAxnQpWXdDi4CGo5=_u_Wpejt8SA0Dh=M%2Bw@mail.gmail.com> <BLU0-SMTP4326F14A3FD47A82C423723AE180@phx.gbl> <20131018112519.Horde.OAQo4gNXUK8BEHk3Ha0pIw2@mail.polynet.lviv.ua>

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Oh wait a sec - you mean that you're running freebsd-8.4 but with the
freebsd-8.3 driver (and freebsd-8.4 lagg?)


-adrian



On 18 October 2013 01:25, Andriy Kopystyansky <anri@polynet.lviv.ua> wrote:

>
> =D0=A6=D0=B8=D1=82=D1=83=D1=8E mybsd <mybsd@hotmail.com>:
>
>
>  Set net.link.lagg.0.use_flowid=3D0 not solve the problem.
>>
>> My system is freebsd 8.4, use the e1000 driver from freebsd 8.3 solves
>> this problem .
>> Should confirm that the problem is driver
>>
>> I have already submitted the BUG.
>> http://www.freebsd.org/cgi/**query-pr.cgi?pr=3D182917<http://www.freebsd=
.org/cgi/query-pr.cgi?pr=3D182917>
>>
>>
> I can confirm, e1000 driver from freebsd 8.3 works as expected, i've got
> almost 1.8 Gb/s over lagg(4) interface, whereas using default driver from
> 9.1 couldnt get more than 1.2Gb/s.
> Trying iperf test to two different dst:
> 1) [SUM]  0.0-54.5 sec  5.50 GBytes   867 Mbits/sec
> 2) [SUM]  0.0-90.1 sec  9.25 GBytes   882 Mbits/sec
>
> ifstat on lagg,igb using 8.3 driver:
> anri@host:[11:01]~#ifstat -i lagg1,igb0,igb2
>       lagg1                igb0                igb2
>
>  KB/s in  KB/s out   KB/s in  KB/s out   KB/s in  KB/s out
> 21748.67  221021.3  10419.36  122968.5  11442.13  150645.1
> 22010.81  222652.2  10954.49  125154.8  11161.90  150698.2
>
> Test above was performed with net.link.lagg.1.use_flowid=3D1
> Setting this to =3D0 leads to slightly less throughput, and noticable cpu
> overhead. (I havent any non-ip traffic).
>
> --
>
>
>
>
>
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