*** This bug is a duplicate of bug 1848790 ***
https://bugs.launchpad.net/bugs/1848790
Please refer to this bug (the same bug as this one) #1848790
And I will submit the fixing patch to ubuntu kernel.
thx.
** This bug has been marked a duplicate of bug 1848790
USB not working under arm64 on Pi4
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Packages, which is subscribed to linux-raspi2 in Ubuntu.
https://bugs.launchpad.net/bugs/1848703
Title:
Raspberry Pi 4 - USB Bus not detecting any devices
Status in linux-raspi2 package in Ubuntu:
Confirmed
Bug description:
Pi 4 new install. System boots up but USB bus is not working.
Tried 3 keyboards no key presses detected, 2 usb memory drives don't
show up in lsblk.
output of $lspci
00:00.0 PCI bridge: Broadcom Inc. and subsidiaries Device 2711 (rev 10)
01:00.0 USB controller: VIA Technologies, Inc. VL805 USB 3.0 Host Controller
(rev 01)
output of $dmesg on pastebin here http://pastebin.com/h7A3n9xa or
attached to this bug report.
Not the only one experiencing bug. Another user created a post on the ubuntu
forums:
https://ubuntuforums.org/showthread.php?t=2429396&s=01a0c4b0cb4c05e605cbf9d41f660e08&p=13898142#post13898142
64bit raspberry pi 4&4 image pulled from
https://ubuntu.com/download/iot/raspberry-pi page. Specifically
http://cdimage.ubuntu.com/releases/19.10/release/ubuntu-19.10
-preinstalled-server-arm64+raspi3.img.xz
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