Ethernet 1Gbps often disconnects on Legacy kernel

Salamandar · December 8, 2020

I ran the 5.8/5.9 kernel for weeks without any issues (no RAM unstability, no crash, no ethernet issue).

Now I reinstalled the thing and came back to a 4.4 kernel to have USB-C support. The thing is… Once every hours, the 1GBps Ethernet disconnects.

Once connected through serial port, I can check the port status and it's shown as `Unknown`. I can `ip link set down eth0; ip link set up eth0` to set it back up.

Am I the only one with this issue ? Is it well known on 4.4 and solved on 5.9 ?

aprayoga · December 8, 2020

I don't recall if i ever have issue with 1G ethernet.
Was it idle?

regarding USB-C support, what do you want to do? Currently the only issue with USB C support in LK 5.9 is switching role "on the fly".

Salamandar · December 9, 2020

It sometimes disconnects while idle (my Home Assistant web gui does not update, and I discover hours later it had been disconnected), sometimes while transferring data.

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regarding USB-C support, what do you want to do? Currently the only issue with USB C support in LK 5.9 is switching role "on the fly".

OK, then I guess I will switch to `current`. Is there any easy switching procedure or should I just install `linux-current-image` ?

aprayoga · December 10, 2020

there are several other packages than 'linux-current-image' to switch. You could use armbian-config > System > Other to switch to current.

That being said, we are still recommend to do fresh install using CURRENT image rather than switch from LEGACY.

Salamandar · December 12, 2020

Yeah, I tried a manual upgrade but /boot was too small, and it wouldn't reboot after a resize2fs. So I reinstalled my server, and eth1 is running without any issue !

Looks like it really was a legacy kernel issue.