Intel 82580 lagg(4) problem

[Andriy Kopystyansky]

Actually, it was <mybsd at hotmail.com> running FreeBSD 8.4 with driver  
from 8.3, and by his advise i'm using this driver on my FreeBSD 9.1.  
Native driver came with FreeBSD9.1, or the new one downloaded from  
Intel site (igb-2.3.10) seems to be useless in LACP lagg(4).

Цитую Adrian Chadd <adrian.chadd at gmail.com>:

> 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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>>
>>
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