5.4.0-1008.8 is a very old kernel. Can you try the latest image from http://cdimage.ubuntu.com/ubuntu-server/focal/daily- preinstalled/current/ which currently contains 5.4.0-1012.12.
** Package changed: linux-meta-raspi (Ubuntu) => linux-raspi (Ubuntu) ** Also affects: linux-raspi (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi in Ubuntu. https://bugs.launchpad.net/bugs/1873757 Title: usb devices unavailable after boot Status in linux-raspi package in Ubuntu: Confirmed Status in linux-raspi source package in Focal: New Bug description: I get error like `usb1-port1: couldn't allocate usb_devices` when kernel boot, and all usb devices will not available after startup. I verified it on two same machine, and get same error. My environment information: preinstalled-image: Ubuntu-server focal preinstalled image daily build 0417 linux-raspi2 version: 5.4.0.1008.8 linux-firmware-raspi2 version: 1.20200212-0ubuntu1 machine: raspi 4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1873757/+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