User on lingon on raspberry pi forum posted the following: The USB-problem concerning the Raspberry Pi 4GB RAM model might be due to the issue seen earlier that using more RAM than 3072 MB breaks the USB: https://www.raspberrypi.org/forums/view ... 6&start=25
The issue was solved by a kernel patch: https://www.raspberrypi.org/forums/view ... 0#p1517839 and the kernel patch was this one: https://github.com/raspberrypi/linux/is ... -520269280 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848703 Title: Raspberry Pi 4 - USB Bus not detecting any devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1848703/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs