Intel 82580 lagg(4) problem

[Adrian Chadd]

So.. Diff the driver between 8.3 and 8.4. What changed?

Adrian
On Oct 18, 2013 1:48 PM, "Adrian Chadd" <adrian at freebsd.org> wrote:

> 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 at polynet.lviv.ua>wrote:
>
>>
>> Цитую mybsd <mybsd at hotmail.com>:
>>
>>
>>  Set net.link.lagg.0.use_flowid=0 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=182917<http://www.freebsd.org/cgi/query-pr.cgi?pr=182917>
>>>
>>>
>> 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 at 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=1
>> Setting this to =0 leads to slightly less throughput, and noticable cpu
>> overhead. (I havent any non-ip traffic).
>>
>> --
>>
>>
>>
>>
>>
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>
>