XU4 eth0 only connects with 100mbit

Test and fix the Kernel 4.14 features

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XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Sun Apr 08, 2018 10:53 pm

Hey guys!

Ive a fresh installed ubuntu (image 20171212) on my odroid XU4 and upgraded it to latest kernel 4.14.32-126.

Problem is, that the eth0 is only connected with 100mbit instead of 1000mbit.
Ive allready tried to force the 1000mbit with command:
Code: Select all
sudo ethtool -s eth0 speed 1000 duplex full autoneg off


But then eth0 isnt connected at all...

Ethtool says that 1000baseT/Full is supported;
Code: Select all
odroid@odroid:~$ sudo ethtool eth0
[sudo] password for odroid:
Settings for eth0:
   Supported ports: [ TP MII ]
   Supported link modes:   10baseT/Half 10baseT/Full
                           100baseT/Half 100baseT/Full
                           1000baseT/Half 1000baseT/Full
   Supported pause frame use: No
   Supports auto-negotiation: Yes
   Advertised link modes:  10baseT/Half 10baseT/Full
                           100baseT/Half 100baseT/Full
   Advertised pause frame use: Symmetric Receive-only
   Advertised auto-negotiation: Yes
   Link partner advertised link modes:  10baseT/Half 10baseT/Full
                                        100baseT/Half 100baseT/Full
                                        1000baseT/Full
   Link partner advertised pause frame use: Symmetric Receive-only
   Link partner advertised auto-negotiation: Yes
   Speed: 100Mb/s
   Duplex: Full
   Port: MII
   PHYAD: 32
   Transceiver: internal
   Auto-negotiation: on
   Supports Wake-on: pumbg
   Wake-on: g
   Current message level: 0x00007fff (32767)
                drv probe link timer ifdown ifup rx_err tx_err tx_queued intr tx_done rx_status pktdata hw wol
   Link detected: yes


The ethernet cable is also good, I tested it with PC connected to the same router > 1000mbit fullduplex with now problems.

I hope someone of you have some ideas to solve this problem ;)
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Mon Apr 09, 2018 12:48 am

Could you post the full boot log to pastebin and link it?

Do you have another CAT5E/6 cable to verify that it certainly isn't a strange fluke?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Mon Apr 09, 2018 1:54 am

Here is the bootlog https://pastebin.com/KRCcFiuE

Ive tried 5 cables with different length, all are cat5e and perfectly working with 1gbit with my other devices.

Month ago my odroid was working perfect with 1gbit with same cable and network setup but older image (dont know which version).
Then I haved logged on my odroid for about 75 days and it was all time up and running.
Yestureday then I decided to upgrade to new kernel when I saw, that eth0 was only connected with 100mbit.
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Re: XU4 eth0 only connects with 100mbit

Unread postby crashoverride » Mon Apr 09, 2018 3:24 am

I actually have seen this problem before. The issue is the cable. There were changes to ethernet drivers that "corrected" their negotiation behavior. Its not directly related to XU4 as I encountered the issue first on PC (its PHY related). To confirm if this is the problem, test with a known good Cat6 (not Cat5) cable.
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Mon Apr 09, 2018 3:38 am

okay, I will try it with new cat6 cable.

Nevertheless is it possible to downgrade the ethernet driver?
When yes were I can download older driver versions (with old autoneg behavior) and how it could be done ?

But by the way maybe someone have another idea to solve the problem?
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Mon Apr 09, 2018 7:29 am

crashoverride wrote:I actually have seen this problem before. The issue is the cable. There were changes to ethernet drivers that "corrected" their negotiation behavior. Its not directly related to XU4 as I encountered the issue first on PC (its PHY related). To confirm if this is the problem, test with a known good Cat6 (not Cat5) cable.
Same, I was hoping he had a CAT6 cable. I didn't have a lot of devices to test on at the time so I didn't realize it was the issue you describe.
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Mon Apr 09, 2018 7:30 am

You can downgrade the kernel, search Google for "apt downgrade".
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Tue Apr 17, 2018 12:11 am

I bought two new Cat.6 cables and again tested the eth0 speed.
Unfortunately its still connected with only 100mbit...

When my XU4 is booting, I realized that eth0 is connected for some seconds with 1gbit (orange led is on at RJ45 Port).

So do someone have any more ideas to solve this annoying problem?
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Tue Apr 17, 2018 12:49 am

Do a search for odroid.

Code: Select all
apt search odroid


You are looking for something like "linux-image-armhf-odroid-xu3" with the version 3.10.xx version kernel.

Install it and reboot.

I can't be of more help since I run Debian and don't know exactly what it will be called.
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Tue Apr 17, 2018 8:54 am

How is the LEDs on the RJ45 jack?
Green: Flashes when there is 100Mbps connectivity
Yellow: Flashes when there is 1000Mbps connectivity
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Thu Apr 19, 2018 7:55 am

Its flashing green so 100mbit.

Today I have fresh installed the "ubuntu-16.04.3-4.9-mate-odroid-xu4-20171025.img" and with that version 1000mbit works perfectly :?:
Attachments
XU4_1gbit_20171025_img.png
XU4_1gbit_20171025_img.png (32.45 KiB) Viewed 2624 times
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Thu Apr 19, 2018 9:50 am

That's very weird.
I'm running Kernel 4.14.32-126 and the connection speed is always 1000mbps.

Can you please update the system with following steps.
Code: Select all
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt install xserver-xorg-video-armsoc ffmpeg
sudo apt install linux-image-xu3
sync
sudo reboot
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Mon Apr 23, 2018 7:39 am

Ive done these steps, this time with before flashed image 20171212.

Unfortunately I got some errors after the upgrade step:
errors.jpg
errors.jpg (111.91 KiB) Viewed 2536 times
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Mon Apr 23, 2018 8:50 am

I had the same issue and wrote a solution in this link.
viewtopic.php?f=95&t=30775

Also try to unplug & plug the Ethernet cable and check the LED color again.
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Tue Apr 24, 2018 5:48 am

Iam getting failure message "Unit avahi.deamon.service not loaded" when iam trying to stop it.
Stopping the "avahi-dnsconfd" service was successfull but removal not "... pre-removal script returned error exit status 1".

With these steps I was successfull removing "avahi-dnsconfd":
https://www.howtoinstall.co/en/ubuntu/trusty/avahi-dnsconfd?action=remove

I also unplugged and replugged the lan cable, but nothing helps, still green led and only 100mbit :(
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Tue Apr 24, 2018 11:11 am

Did you successfully update the Kernel to 4.14.35?
What is your current Kernel version?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Wed Apr 25, 2018 7:08 am

My kernel version is 4.14.35.128, so i think the upgrade was successful.

Really strange...
I was about to write, that it is finally connected with 1000mbit...
And it really was connected few mins with 1000mbit and yellow led after cold start (odroid was off for about 2 days).

But now again its reconnected and back to 100mbit...

Maybe its a service wich is starting later and brings back the eth0 speed to 100mbit??
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Wed Apr 25, 2018 10:11 am

Can you connect the Ethernet cable to your PC directly to narrow down root causes?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Thu Apr 26, 2018 3:30 am

Allready tried that, only 100mbit or if iam forceing 1000mbit with ethtool, no connection at all.

Today again after cold start it was connected with 1000mbit.

But after 3-5 minutes its reconnecting itself with 100mbit :/

What the hack is going on there???

Is it somehow possible to observe the eth0 interface and log or show which services are changing the state of it and why?
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Thu Apr 26, 2018 9:46 am

Can you check "/var/log/syslog" file?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Tue May 01, 2018 2:24 am

Maybe this is relevant:

Code: Select all
Apr 30 19:09:27 odroid kernel: [  582.930947] r8152 6-1:1.0 eth0: carrier on
Apr 30 19:09:27 odroid NetworkManager[720]: <info>  [1525108167.7626] device (eth0): link connected
Apr 30 19:09:27 odroid NetworkManager[720]: <info>  [1525108167.7645] device (eth0): state change: unavailable -> disconnected (reason 'carrier-changed') [20 30 40]


But I dont know what it means...
I could not find any information about the link speed in the log.
What sould I search for?

Today I borrowed "Anker USB 3.0 Gbit Ethernet" adapter from a friend, it also has a Realtek chip and works perfectly with 1000mbit without reconnecting to 100mbit...

So what is wrong with the onboard Ethernet port in combination with 4.14.xx kernel?
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Tue May 01, 2018 2:50 am

Do you know how to compile the kernel?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Tue May 01, 2018 10:23 pm

Unfortunately I dont know how to compile the kernel.
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Tue May 01, 2018 11:07 pm

Is your kernel on /boot or /media/boot?

I have a kernel package I built using a new Ethernet driver but I need to know where your kernel is to know if it will work.
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Wed May 02, 2018 12:40 am

I think its "/boot" because the "config-4.14.37-130" file is in there?
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Wed May 02, 2018 1:20 am

Try this, but backup your boot directory just in case.

https://www.dropbox.com/s/qu48g5r3ku54f ... f.deb?dl=0

You would install it with:

Code: Select all
sudo dpkg -i linux-image-4.14.35+_4.14.35-20180501-xu4_armhf.deb


I'm hoping this new driver may solve your strange issue.
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Wed May 02, 2018 8:04 am

Here is the latest build (4.14.37):

https://www.dropbox.com/s/3035uyazmgk82 ... f.deb?dl=0

Did it change anything with your device picking up gigabit?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Thu May 03, 2018 6:58 am

Thanks for the file!

I got an error when iam trying to install it:

Code: Select all
Selecting previously unselected package linux-image-4.14.37+.
(Reading database ... 253621 files and directories currently installed.)
Preparing to unpack linux-image-4.14.37+_4.14.37-20180501-xu4_armhf.deb ...
Unpacking linux-image-4.14.37+ (4.14.37-20180501-xu4) ...
dpkg: error processing archive linux-image-4.14.37+_4.14.37-20180501-xu4_armhf.deb (--install):
 trying to overwrite '/boot/exynos5422-odroidxu3-lite.dtb', which is also in package linux-image-4.14.37-130 20180430
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 linux-image-4.14.37+_4.14.37-20180501-xu4_armhf.deb
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Thu May 03, 2018 7:44 am

I will have to create a new package, give me an hour.

Try this:

https://www.dropbox.com/s/3035uyazmgk82 ... f.deb?dl=1

It's named the same so delete the previous file.
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Thu May 03, 2018 10:25 pm

Thank you!
This new file worked and I rebooted my odroid after installation.
But unfortunately this kernel update didnt helped :(
I also tried again to replug the cable and "ethtool -s eth0 speed 1000 duplex full autoneg off" -> no connection
And when Iam turning autoneg on again -> connected only with 100mbit
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Thu May 03, 2018 11:09 pm

There was no obvious difference in RTL8153 driver source code between Kernel 4.14 and Realtek's latest one.
So we didn't merge it while the old Kernel 3.16 has a lot of differences.

Anyway, please try the latest network manager in Ubuntu 18.04.
Freshly flash this Ubuntu image if possible.
https://wiki.odroid.com/odroid-xu4/os_i ... 4/20180501

If it doesn't help, you might have a hardware problem.
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Fri May 04, 2018 12:38 am

odroid wrote:There was no obvious difference in RTL8153 driver source code between Kernel 4.14 and Realtek's latest one.
So we didn't merge it while the old Kernel 3.16 has a lot of differences.
.
The binary firmware is quite different.

It almost can't be a hardware issue since it works with the older kernel.
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Fri May 04, 2018 4:32 am

Kent446 wrote:Thank you!
This new file worked and I rebooted my odroid after installation.
But unfortunately this kernel update didnt helped :(
I also tried again to replug the cable and "ethtool -s eth0 speed 1000 duplex full autoneg off" -> no connection
And when Iam turning autoneg on again -> connected only with 100mbit
Could you show the output of this to make sure the kernel is new:

Code: Select all
uname -a


and

Code: Select all
cat /sys/module/r8152/drivers/usb\:r8152/module/version
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Fri May 04, 2018 4:41 am

odroid wrote:Freshly flash this Ubuntu image if possible.
https://wiki.odroid.com/odroid-xu4/os_i ... 4/20180501


Ive freshly installed the new 18.04 image.
Still the same behavior: 1000mbit for some minutes -> then reconnecting to 100mbit

@rooted
here are the outputs:

Code: Select all
odroid@odroid:~$ uname -a
Linux odroid 4.14.37-135 #1 SMP PREEMPT Sun Apr 29 23:34:43 -03 2018 armv7l armv7l armv7l GNU/Linux


Code: Select all
odroid@odroid:~$ cat /sys/module/r8152/drivers/usb\:r8152/module/version
v1.09.9
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Re: XU4 eth0 only connects with 100mbit

Unread postby rooted » Fri May 04, 2018 4:50 am

I meant my kernel but that's okay, it probable won't make a difference.

With the older image you constantly get 1000 megabit speeds?
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Fri May 04, 2018 7:48 am

I installed again image "ubuntu-16.04.3-4.9-mate-odroid-xu4-20171025.img" on a different sd card.
Now even with that old version Iam getting only 100mbit.

I upgraded it then again to 4.14.37-130 (this time there were no problems while upgrading) -> only 100mbit
After that I tried again your kernel
Code: Select all
odroid@odroid:~$ uname -a
Linux odroid 4.14.37+ #1 SMP PREEMPT Tue May 1 22:00:39 UTC 2018 armv7l armv7l armv7l GNU/Linux

Code: Select all
odroid@odroid:~$ cat /sys/module/r8152/drivers/usb\:r8152/module/version
v2.10.00 (2018/03/16)


So I think now it really looks like a hardware problem with the ethernet port of my XU4 :(

But why then its connected some minutes with 1000mbit and then reconnecting with 100mbit?
eth0 is connected internally with usb-bridge, isnt it?
Maybe then the problem is a USB3.0 driver -> like falling back to USB 2.0 speed, causing eth0 also fall back to lower 100mbit speed?
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Fri May 04, 2018 8:26 am

Even it detected in USB 2.0 mode, 1000mbps connection shouldn't be changed.
You can check the USB mode with "lsusb -t" output.

Please contact "odroid at hardkernel dot com" with a link of this thread.
She will help your RMA process if you purchased the board from us directly.
Otherwise, contact your local distributor.
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Sat May 05, 2018 6:12 am

I checked usb speeds, everything looks normal: The USB port to which eth0 is connected has 5000mbit.

I bought my odroid XU4 used from a guy in a forum, so there is no RMA possible for me?
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Re: XU4 eth0 only connects with 100mbit

Unread postby odroid » Sat May 05, 2018 7:31 pm

It is possible. But refer this RMA guide.
viewtopic.php?f=53&t=661
Two way shipping cost will be similar to the XU4 price. :(
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Re: XU4 eth0 only connects with 100mbit

Unread postby Kent446 » Sat May 05, 2018 11:14 pm

Ok, so it doesnt make sense to me.
So i will buy the external usb-external adapter from my friend, with this 1000mbit is working good :)

Thank you so much for your help! You guys are amazing! 8-)
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