[LEDE-DEV] SUNXI: Network problem with kernel 4.9.51

Sun Sep 24 23:47:12 PDT 2017

Hi Hauke,

Am 2017-09-25 00:14, schrieb Hauke Mehrtens:
> On 09/24/2017 04:39 PM, Hauke Mehrtens wrote:
>> On 09/24/2017 12:27 AM, Lucian Cristian wrote:
>>> On 23.09.2017 19:03, Gerhard Bertelsmann wrote:
>>>> Hi Zoltan,
>>>> 
>>>> Am 2017-09-23 17:36, schrieb Zoltan HERPAI:
>>>>> Hi Gerhard,
>>>>> 
>>>>> On Sat, 23 Sep 2017, Gerhard Bertelsmann wrote:
>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> I'm trying Lede HEAD with a BananaPI (SUNXI7 A20) and have an 
>>>>>> issue
>>>>>> with the network connection:
>>>>>> 
>>>>>> root at Modellbahn-BPi:/# ping -qc 100 192.168.0.9
>>>>>> PING 192.168.0.9 (192.168.0.9): 56 data bytes
>>>>> [snip]
>>>>> 
>>>>>> Does anybody have a clue why this happens ?
>>>>> 
>>>>> Can you please post a full dmesg.
>>>> 
>>>> yes, of course:
>>>> 
>>>> root at Modellbahn-BPi:~# dmesg
>>>> [    0.000000] Booting Linux on physical CPU 0x0
>> .......
>>>> 
>>>> root at Modellbahn-BPi:~# ping -qc 100 192.168.0.9
>>>> PING 192.168.0.9 (192.168.0.9): 56 data bytes
>>>> 
>>>> --- 192.168.0.9 ping statistics ---
>>>> 100 packets transmitted, 94 packets received, 6% packet loss
>>>> round-trip min/avg/max = 0.354/0.518/1.182 ms
>>>> 
>>>> root at Modellbahn-BPi:~# ip -s -d link show eth0
>>>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
>>>> master br-lan state UP mode DEFAULT group default qlen 1000
>>>>     link/ether 02:03:0a:43:06:44 brd ff:ff:ff:ff:ff:ff promiscuity 1
>>>>     bridge_slave state forwarding priority 32 cost 4 hairpin off 
>>>> guard
>>>> off root_block off fastleave off learning on flood on port_id 0x8001
>>>> port_no 0x1 designated_port 32769
>>>>     RX: bytes  packets  errors  dropped overrun mcast
>>>>     88003      560      0       9       0       0
>>>>     TX: bytes  packets  errors  dropped carrier collsns
>>>>     20196      210      0       0       0       0
>>>> 
>>>> Regards,
>>>> 
>>>> Gerd
>>>> 
>>>> _______________________________________________
>>>> Lede-dev mailing list
>>>> Lede-dev at lists.infradead.org
>>>> http://lists.infradead.org/mailman/listinfo/lede-dev
>>> 
>>> I don't have packet loss but I have slow upload (A20 Olimex Lime2) 
>>> but
>>> maybe is the uboot bug found on the internet if is not already in the
>>> uboot mainline, if I increase the number of parallel connection the
>>> speed goes up to 200Mb/s
>>> 
>>> UP:
>>> 
>>> [ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
>>> [  4]   0.00-1.00   sec  2.18 MBytes  18.2 Mbits/sec  148   7.03 
>>> KBytes
>>> [  4]   1.00-2.00   sec  4.73 MBytes  39.7 Mbits/sec  317   4.22 
>>> KBytes
>>> [  4]   2.00-3.00   sec  4.38 MBytes  36.7 Mbits/sec  294   4.22 
>>> KBytes
>>> [  4]   3.00-4.00   sec  4.92 MBytes  41.2 Mbits/sec  344   2.81 
>>> KBytes
>>> [  4]   4.00-5.00   sec  3.01 MBytes  25.3 Mbits/sec  210   12.7 
>>> KBytes
>>> [  4]   5.00-6.00   sec  7.56 MBytes  63.4 Mbits/sec  503   2.81 
>>> KBytes
>>> [  4]   6.00-7.00   sec  3.13 MBytes  26.2 Mbits/sec  216   1.41 
>>> KBytes
>>> [  4]   7.00-8.00   sec   665 KBytes  5.45 Mbits/sec   58   2.81 
>>> KBytes
>>> [  4]   8.00-9.00   sec  7.97 MBytes  66.9 Mbits/sec  554   7.03 
>>> KBytes
>>> [  4]   9.00-10.00  sec  1.42 MBytes  11.9 Mbits/sec  137   2.81 
>>> KBytes
>>> - - - - - - - - - - - - - - - - - - - - - - - - -
>>> [ ID] Interval           Transfer     Bandwidth       Retr
>>> [  4]   0.00-10.00  sec  39.9 MBytes  33.5 Mbits/sec 2781            
>>> sender
>>> [  4]   0.00-10.00  sec  39.6 MBytes  33.2 Mbits/sec                 
>>> receiver
>>> 
>>> DOWN:
>>> 
>>> [ ID] Interval           Transfer     Bandwidth
>>> [  4]   0.00-1.00   sec  55.2 MBytes   463 Mbits/sec
>>> [  4]   1.00-2.00   sec  58.4 MBytes   490 Mbits/sec
>>> [  4]   2.00-3.00   sec  55.3 MBytes   464 Mbits/sec
>>> [  4]   3.00-4.00   sec  55.4 MBytes   465 Mbits/sec
>>> [  4]   4.00-5.00   sec  55.8 MBytes   468 Mbits/sec
>>> [  4]   5.00-6.00   sec  56.1 MBytes   471 Mbits/sec
>>> [  4]   6.00-7.00   sec  55.1 MBytes   463 Mbits/sec
>>> [  4]   7.00-8.00   sec  55.6 MBytes   466 Mbits/sec
>>> [  4]   8.00-9.00   sec  55.3 MBytes   464 Mbits/sec
>>> [  4]   9.00-10.00  sec  55.4 MBytes   465 Mbits/sec
>>> - - - - - - - - - - - - - - - - - - - - - - - - -
>>> [ ID] Interval           Transfer     Bandwidth       Retr
>>> [  4]   0.00-10.00  sec   559 MBytes   469 Mbits/sec 0             
>>> sender
>>> [  4]   0.00-10.00  sec   559 MBytes   469 Mbits/sec                 
>>> receiver
>> 
>> Hi,
>> 
>> I think the U-Boot should not influence this.
>> 
>> @Gred could you please remove all the patches from
>> target/linux/sunxi/patches-4.9/ and test with such an image and then
>> report back your results please? It could be that something when wrong
>> when I backported some clock patches.
>> 
>> Hauke
> 
> Hi Gerd,
> 
> Could you please also test in addition my sunxi feature branch here:
> https://git.lede-project.org/?p=lede/hauke/staging.git;a=shortlog;h=refs/heads/sunxi
> 
> It contains an updated version of the stmmac driver, I did this mostly
> to add support for the A64, but it could also fix your problems.
> 
> Hauke

thanks for your assistance.

I've tested both versions, stock Lede HEAD without patches and your git.
Both showing the same problem with packet lost and poor upload 
bandwidth.

Regards

Gerd