Looks like we need to backport patches from branch rpi-5.4.x to ubuntu rpi eoan kernel.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi2 in Ubuntu. 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: New Status in linux-raspi2 source package in Eoan: New Bug 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1887156/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
