timonoj Posted October 11, 2016 Posted October 11, 2016 So...Is it included in the official images now? I just downloaded the Ubuntu image for Banana Pi, and I'm getting about 40Mbit speeds.
PaceyIV Posted October 23, 2016 Posted October 23, 2016 I have an Olimex Lime 2 connected to a router that has GLan ports. My notebook is connected to the router but has only a 100 MBit ethernet port. When I run iperf3 as a server on my notebook I have the full speed. [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 110 MBytes 92.1 Mbits/sec 152 sender [ 4] 0.00-10.00 sec 110 MBytes 92.0 Mbits/sec receiver But when I run iperf3 as a server on the board I have this result. [ ID] Interval Transfer Bandwidth [ 4] 0.00-10.00 sec 4.62 MBytes 3.88 Mbits/sec sender [ 4] 0.00-10.00 sec 4.62 MBytes 3.88 Mbits/sec receiver When this happens I restart the board and I have the full speed again on both direction. Sometimes I have to restart the board two or three times to have again the full speed. This works for days or weeks and then I have to restart the board again if I need a fast speed. I can't understand where is the problem.
Igor Posted October 24, 2016 Posted October 24, 2016 Can you post armbianmonitor -u ... There were some network related problems in the past. Wrote on mobile phone
Igor Posted October 29, 2016 Posted October 29, 2016 Yes, first things which is strange is that you don't use latest build, neither for kernel neither for u-boot. I don't know if this particular combination of u-boot and kernel makes troubles, but it's possible. First do an update, than do repeat tests. We already solved some problems since: ii linux-u-boot-lime2 5.00 armhf Uboot loader 2016.01 If you want to use vanilla kernel than uninstall this u-boot and install linux-u-boot-lime2-next
PaceyIV Posted October 29, 2016 Posted October 29, 2016 apt-get update or apt-get dist-upgrade don't show any update about u-boot, only the kernel. I've used your update script to switch to the vanilla kernel. It's is possible that I stop to update u-boot in some way that I don't know after this post http://forum.armbian.com/index.php/topic/295-freezing-problem-with-olimex-a20-lime-2/ Now I do some tests and I come back if there are problems. Thanks
zador.blood.stained Posted November 6, 2016 Posted November 6, 2016 @PaceyIV What hardware revision of Lime2 do you have? More specifically, what PHY chip does it have (RTL8211CL or RTL8211E)?
PaceyIV Posted November 6, 2016 Posted November 6, 2016 It's Rev C, RTL8211CL. My actual uptime is 2 days and the speed is still fast.
zador.blood.stained Posted November 6, 2016 Posted November 6, 2016 Ok, I just remembered that I saw this on linux-sunxi IRC: https://irclog.whitequark.org/linux-sunxi/2016-11-03#18089784 So some newer revisios will have different PHY and it may affect GBit Ethernet performance in some way, but it shouldn't be your case.
tkaiser Posted November 7, 2016 Posted November 7, 2016 BTW: https://github.com/OLIMEX/OLINUXINO/tree/master/SOFTWARE/A20/A20-build-3.4.103-release-4
PaceyIV Posted November 7, 2016 Posted November 7, 2016 After the Igor's post I switched to mainline kernel. I also installed the u-boot with the path of the DRAM_CLK I've seen the other difference in the patch but I don't understand it. The lan works properly for a while and then I have to restart the board to see the full speed (with the previous kernel and u-boot). The changes in the patch can produce this behavior? With the new kernel and uboot (http://beta.armbian.com/pool/main/l/linux-u-boot-lime2-next/linux-u-boot-next-lime2_5.24.161101_armhf.deb) I haven't seen net problems yet. Igor said that this has DRAM_CLK patch. I don't know if it has also the ethernet path.
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