** Also affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1968111
Title:
uc22 rpi3 ethernet getting renamed on every boot
Status in snapd:
New
Status in linux-raspi package in Ubuntu:
New
Bug description:
On rpi3 with uc22 (just confirmed on the latest image from
20220406.1), the built-in ethernet interface should use generic names
(i.e. eth0). On rpi4 this works as it should, and it uses eth0.
On the rpi3b+ I'm testing on, I saw it get enxea1a4588e236 on the
first boot. On the second boot though, it got renamed to
enx3a583dc734b6
The result of this, is that on rpi3 with uc22, if you only configure
ethernet, then it will no longer work after you reboot. Since console-conf only
runs on first boot, it will be stuck thinking it was unable to get an address.
The netplan config file that is generated by console-conf references the device
name, so it will still be looking for that original name:
network:
ethernets:
enxea1a4588e236:
dhcp4: true
version: 2
...
Fortunately, the wifi interface gets named wlan0 and does not get renamed
every boot. So I was able to configure that interface and still get in to
gather some information about this.
However, unless you use wifi, rpi3 devices will be useless after the first
boot
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