*** This bug is a duplicate of bug 1848790 ***
https://bugs.launchpad.net/bugs/1848790
If you install the modules and kernel in the #26 successfully, the
'uname -a' will show newupdate.
But I can't find the "newupdate" from the output of yours.
And those patches are not merged to ubuntu kernel yet, so if you install
the kernel from ubuntu sources, the usb host issue is not fixed.
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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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