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Title: Network Performance problem (with Gigabyte Lan) [Print This Page]

Author: pacopad Time: 12/18/2014 04:20
Title: Network Performance problem (with Gigabyte Lan)
Hi ,

I compiled an android image using instructions on the wiki. Compilation is ok but after flash there is no vidéo on hdmi nor on vga.

I plugged the board with serial connection, boot process seems ?k. I can access the prompt
What did i miss with kernel compil ??

Thx for answer
Pacopad

Author: Andy Time: 12/18/2014 09:23
Could you please show us the log?

Author: pacopad Time: 12/18/2014 14:45
Hi Andy, here is the output?
http://pastebin.com/9TJcG62d

Actually , there is no display connected for the logs because my computer is too far away my tv set . Is it important ??

Thank you for you help?
Pacopad

Author: Andy Time: 12/19/2014 09:53

The log seems not complete.

Did it stop at this point??[ ? 38.07457t? ?f??????}??????734): camsys_marvin(ed8e9510) is closed

Author: busybee Time: 12/19/2014 10:09

Please revert back to factory firmware, and flash your self compiled kernel.img and resource.img to see if it works.

BTW, your kernel log is strange. We do not have "D1:camsys ..." lines in normal boot.

Author: pacopad Time: 12/19/2014 15:59
Hi all,

i solved this problem by building a full upgrade.mg file.

I got a new problem

Wired Network performances are very very poor. Same as factory image.

I tried some other TV Box images and i found one , i dont remember which one, that offers good network speed.

Which side must i check , kernel or software ? My image is based on the latest SDK provided by Firefly.

Thx for return

Pacopad

Author: Andy Time: 12/19/2014 16:08

Have you?plunged? the Antenna yet?

Author: pacopad Time: 12/19/2014 16:44

Hi

I got matter with wired (ethernet) network. I got ip from dhcp but transfer rates are very bad

Pacopad

Author: busybee Time: 12/22/2014 11:16
Hi pacopad,  please do a iperf test on the wired ethernet and post the result here.

Author: pacopad Time: 12/22/2014 14:29

Hi Guys,?

i done iperf test on saturday , here is the report i got about 3,5 Mbits/s on a gigabyte switch (which work correctly with other devices like my ps3 and ps4) and i got 95 MBits/s when plugged on a 100MBps port of my internet box. I got about 30Mbps with wifi.?

I think there it is a kernel bug with mac part ....

is it possible to force 100Mbps Full duplex on the board with android ??

Thank you for return ??

Author: zhansb Time: 12/23/2014 10:25

I got about 600-700 Mbits/s on a gigabyte switch

is it use 2.4G or 5G wifi when got?30Mbps with wifi.?

Author: pacopad Time: 12/23/2014 14:20

Hi ,?

it's a 2.4Ghz wifi network

My giga switch is an airport extreme, there might be a incompatibility with the chipset inside , i'll try this an other one?

Best regards

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