in fact it seems like in 5.3 USB is not working at all !!! i verified that today ...
my self-built kernel uses the focal 5.4 branch where USB works fine then: https://github.com/ogra1/linux-raspberrypi- org/blob/master/snap/snapcraft.yaml -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1881623 Title: USB support missing in initrd makes booting core with writable on USB impossible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1881623/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs