The Bionic 5.3 kernel is the backport of the Eoan kernel so this needs
fixing in Eoan and then the fix trickles down to Bionic. However, the
point release kernel for classic will be the 5.4 backport from Focal.
Core stays on 5.3 for now due to DTB/kernel upgrade issues.
** Changed in: linux-raspi2 (Ubuntu Eoan)
Status: Won't Fix => Confirmed
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https://bugs.launchpad.net/bugs/1887156
Title:
USB ports not working on the Pi 4 rev 1.4 board
Status in linux-raspi2 package in Ubuntu:
New
Status in linux-raspi2 source package in Bionic:
Confirmed
Status in linux-raspi2 source package in Eoan:
Confirmed
Bug description:
[Impact]
USB on the Pi 4B rev 1.4 running the raspi 5.3 kernel is non-
functional.
[Test Case]
See original description below.
[Regression Potential]
Low. The changes are isolated to the PCIe driver used for the
Raspberry Pi. The commit is a clean cherry-pick from the raspi 5.4
kernel.
[Original Description]
On the Pi 4 board revision 1.4 (of which the 8Gb model is currently
the main example), the VL805 USB controller doesn't appear to be
recognized by the 5.3 kernel. To reproduce:
* Flash a current bionic image (e.g.
http://cdimage.ubuntu.com/releases/bionic/release/ubuntu-18.04.4-preinstalled-server-arm64+raspi4.img.xz)
* Boot the card on an older Pi model (3, 4 rev 1.2, etc.)
* sudo add-apt-repository ppa:waveform/firmware
* sudo apt install linux-firmware-raspi2 (the rev 1.4 requires a newer
firmware package to boot; this PPA contains a test package with a back-ported
firmware)
* Boot the card on a Pi 4 rev 1.4
* Observe USB2 and USB3 ports do not work
* Boot the card on an older Pi 4 rev 1.2
* Observe USB2 and USB3 ports do work
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