USB-C 3.x port running at 2.0 speeds

[Anderson Silva]

I noticed that every device I plugged in to the USB-C port on my computer (which is USB 3.1 or, should I say, 3.2 Gen. 2 - WTF those names), it only runs at 2.0 speeds (480Mbps). After doing some troubleshooting, here's what I discovered:

If I shut down my machine, plug my USB 3 device in to the USB-C port, power it on and let the OS boots... it works at 3.x speeds just fine until I unplug it; The moment I plug it back in, the exact same USB 3 device at the exact same USB-C port at the exact same orientation, it starts to run at 2.0 speeds.

Logs:

$ lsb_release -rd
Description: Ubuntu 22.04.1 LTS
Release: 22.04

$ apt-cache policy linux-image-5.15.0-48-lowlatency
linux-image-5.15.0-48-lowlatency:
  Installed: 5.15.0-48.54
  Candidate: 5.15.0-48.54
  Version table:
 *** 5.15.0-48.54 500
        500 https://ubuntu.itsbrasil.net/ubuntu jammy-updates/main amd64 Packages
        500 https://ubuntu.itsbrasil.net/ubuntu jammy-security/main amd64 Packages
        100 /var/lib/dpkg/status

$ lsmod | grep xhci
xhci_pci 24576 0
xhci_pci_renesas 20480 1 xhci_pci

$ lsusb -tvv (Device Plugged at Boot)
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
    /sys/bus/usb/devices/usb4 /dev/bus/usb/004/001
    |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=uas, 5000M
        ID 0bc2:ab24 Seagate RSS LLC Backup Plus Portable Drive
        /sys/bus/usb/devices/4-2 /dev/bus/usb/004/002
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
    /sys/bus/usb/devices/usb3 /dev/bus/usb/003/001
    |__ Port 4: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 3, Class=Human Interface Device, Driver=usbhid, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 7: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 7: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 7: Dev 3, If 2, Class=Application Specific Interface, Driver=, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 10: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
        ID 8087:0029 Intel Corp. AX200 Bluetooth
        /sys/bus/usb/devices/3-10 /dev/bus/usb/003/004
    |__ Port 10: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
        ID 8087:0029 Intel Corp. AX200 Bluetooth
        /sys/bus/usb/devices/3-10 /dev/bus/usb/003/004
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
    /sys/bus/usb/devices/usb2 /dev/bus/usb/002/001
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
    /sys/bus/usb/devices/usb1 /dev/bus/usb/001/001

$ lsusb -tvv (Device Plugged After)
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
    /sys/bus/usb/devices/usb4 /dev/bus/usb/004/001
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
    /sys/bus/usb/devices/usb3 /dev/bus/usb/003/001
    |__ Port 2: Dev 5, If 0, Class=Mass Storage, Driver=uas, 480M
        ID 0bc2:ab24 Seagate RSS LLC Backup Plus Portable Drive
        /sys/bus/usb/devices/3-2 /dev/bus/usb/003/005
    |__ Port 4: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 4: Dev 2, If 3, Class=Human Interface Device, Driver=usbhid, 12M
        ID 0d8c:0267 C-Media Electronics, Inc.
        /sys/bus/usb/devices/3-4 /dev/bus/usb/003/002
    |__ Port 7: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 7: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 7: Dev 3, If 2, Class=Application Specific Interface, Driver=, 480M
        ID 04f2:b729 Chicony Electronics Co., Ltd
        /sys/bus/usb/devices/3-7 /dev/bus/usb/003/003
    |__ Port 10: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
        ID 8087:0029 Intel Corp. AX200 Bluetooth
        /sys/bus/usb/devices/3-10 /dev/bus/usb/003/004
    |__ Port 10: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
        ID 8087:0029 Intel Corp. AX200 Bluetooth
        /sys/bus/usb/devices/3-10 /dev/bus/usb/003/004
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M
    ID 1d6b:0003 Linux Foundation 3.0 root hub
    /sys/bus/usb/devices/usb2 /dev/bus/usb/002/001
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
    ID 1d6b:0002 Linux Foundation 2.0 root hub
    /sys/bus/usb/devices/usb1 /dev/bus/usb/001/001

# dmesg | grep usb
[ 0.410409] usbcore: registered new interface driver usbfs
[ 0.410409] usbcore: registered new interface driver hub
[ 0.410409] usbcore: registered new device driver usb
[ 1.037286] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.15
[ 1.037289] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.037290] usb usb1: Product: xHCI Host Controller
[ 1.037299] usb usb1: Manufacturer: Linux 5.15.0-48-lowlatency xhci-hcd
[ 1.037300] usb usb1: SerialNumber: 0000:00:0d.0
[ 1.038444] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.15
[ 1.038446] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.038447] usb usb2: Product: xHCI Host Controller
[ 1.038447] usb usb2: Manufacturer: Linux 5.15.0-48-lowlatency xhci-hcd
[ 1.038448] usb usb2: SerialNumber: 0000:00:0d.0
[ 1.056570] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.15
[ 1.056573] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.056577] usb usb3: Product: xHCI Host Controller
[ 1.056580] usb usb3: Manufacturer: Linux 5.15.0-48-lowlatency xhci-hcd
[ 1.056581] usb usb3: SerialNumber: 0000:00:14.0
[ 1.060968] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.15
[ 1.060970] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.060971] usb usb4: Product: xHCI Host Controller
[ 1.060972] usb usb4: Manufacturer: Linux 5.15.0-48-lowlatency xhci-hcd
[ 1.060973] usb usb4: SerialNumber: 0000:00:14.0
[ 1.386622] usb 4-2: new SuperSpeed USB device number 2 using xhci_hcd
[ 1.401860] usb 4-2: New USB device found, idVendor=0bc2, idProduct=ab24, bcdDevice= 1.00
[ 1.404376] usb 4-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 1.406798] usb 4-2: Product: BUP Slim BK
[ 1.409239] usb 4-2: Manufacturer: Seagate
[ 1.411688] usb 4-2: SerialNumber: *** REDACTED ***
[ 1.421629] usbcore: registered new interface driver usb-storage
[ 1.516373] usb 3-4: new full-speed USB device number 2 using xhci_hcd
[ 1.545216] usbcore: registered new interface driver uas
[ 1.658002] usb 3-4: New USB device found, idVendor=0d8c, idProduct=0267, bcdDevice= 3.03
[ 1.660634] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.663081] usb 3-4: Product: USB Advanced Audio Device
[ 1.665707] usb 3-4: Manufacturer: C-Media Electronics Inc.
[ 1.784365] usb 3-7: new high-speed USB device number 3 using xhci_hcd
[ 1.915009] usb 3-7: New USB device found, idVendor=04f2, idProduct=b729, bcdDevice=27.39
[ 1.918029] usb 3-7: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[ 1.920695] usb 3-7: Product: Chicony USB2.0 Camera
[ 1.922273] usb 3-7: Manufacturer: CHICONY
[ 1.923719] usb 3-7: SerialNumber: *** REDACTED ***
[ 2.041402] usb 3-10: new full-speed USB device number 4 using xhci_hcd
[ 2.173118] usb 3-10: New USB device found, idVendor=8087, idProduct=0029, bcdDevice= 0.01
[ 2.176007] usb 3-10: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.191332] input: C-Media Electronics Inc. USB Advanced Audio Device as /devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.3/0003:0D8C:0267.0002/input/input9
[ 2.245781] hid-generic 0003:0D8C:0267.0002: input,hidraw1: USB HID v1.11 Device [C-Media Electronics Inc. USB Advanced Audio Device] on usb-0000:00:14.0-4/input3
[ 2.248777] usbcore: registered new interface driver usbhid
[ 2.251559] usbhid: USB HID core driver
[ 4.934341] usbcore: registered new interface driver btusb
[ 4.965728] usb 3-7: Found UVC 1.10 device Chicony USB2.0 Camera (04f2:b729)
[ 4.993479] input: Chicony USB2.0 Camera: Chicony as /devices/pci0000:00/0000:00:14.0/usb3/3-7/3-7:1.0/input/input16
[ 5.007011] usbcore: registered new interface driver uvcvideo
[ 5.233342] usbcore: registered new interface driver snd-usb-audio

--- AFTER UNPLUGGING AND PLUGGING IT BACK ---

[ 115.162502] usb 4-2: USB disconnect, device number 2
[ 132.104663] usb 3-2: new high-speed USB device number 5 using xhci_hcd
[ 132.233494] usb 3-2: New USB device found, idVendor=0bc2, idProduct=ab24, bcdDevice= 1.00
[ 132.233502] usb 3-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 132.233505] usb 3-2: Product: BUP Slim BK
[ 132.233508] usb 3-2: Manufacturer: Seagate
[ 132.233510] usb 3-2: SerialNumber: *** REDACTED ***

This happens only with the USB-C port, the USB-A 3.x works perfectly all the time.

Some forums suggested adding iommu=soft parameter on my boot entry, no changes; others suggested turning off Legacy USB support at UEFI/BIOS Menu but that option doesn't exist on my machine.

My machine is a Clevo NJ70MU laptop, OS is Ubuntu MATE 22.04.1 but I made the same test with a LiveUSB running Ubuntu (vanilla) 22.04.1, Debian 11.0.5 and Arch (2022.09.03) ISOs, the results are exactly the same.

Hardware Probe: https://linux-hardware.org/?probe=de2b3c568a

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-48-lowlatency 5.15.0-48.54
ProcVersionSignature: Ubuntu 5.15.0-48.54-lowlatency 5.15.53
Uname: Linux 5.15.0-48-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: MATE
Date: Tue Sep 27 21:28:02 2022
InstallationDate: Installed on 2022-08-16 (42 days ago)
InstallationMedia: Ubuntu-MATE 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
SourcePackage: linux-signed-lowlatency
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.