Public bug reported:
The devices I have at home all seem to work fine, but I noticed on the
pi-zero-2 we have in the lab that it was working fine with the armhf candidate
image from 20220221 but not with arm64. I was eventually able to get serial
console on it and discovered that the device had booted, but failed to detect
the network adapter, which in this case is using the r8152 driver and is part
of a usb hub.
It's weird that it worked fine on the armhf image but not arm64, so I looked a
bit more and found that the arm64 image contained both of these lines in
config.txt:
dtoverlay=dwc2
dtoverlay=dwc2,dr_mode=host
On armhf, only the second line existed. I commented out the first line with
'dtoverlay=dwc2' and rebooted, then it was able to detect the ethernet-usb
dongle and load the drivers for it.
** Affects: u-boot (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1961871
Title:
20.04.4 candidate image doesn't work with some usb/eth on pi-zero-2
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