USB4 Ports being detected as Linux Foundation 2.0 root hub (on Linux 6.1.2 Kernel)

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Horizontual

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Jan 28, 2023
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Code: 
pveversion: pve-manager/7.3-3/c3928077 (running kernel: 6.1.2-1-pve)

I am trying to get my onboard USB4 40Gbps ports operating at full capacity. I noted that when passing through the port to a VM, devices were reporting that they were connected on a USB 2.0 port. Upon investigating on the host, using lsusb I identified that the devices in question were connected under Bus 003, which is reporting as as a Linux Foundation 2.0 root hub:
Code: 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Code: 
lsusb -t
/:  Bus 12.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/0p, 5000M
/:  Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
/:  Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/5p, 20000M
    |__ Port 5: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 5: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
    |__ Port 6: Dev 3, If 6, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 4, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 0, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 7, Class=Human Interface Device, Driver=usbhid, 480M
    |__ Port 6: Dev 3, If 5, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 1, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 10: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 11: Dev 5, If 2, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 11: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/5p, 20000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 5: Dev 2, If 2, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 5: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 5: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 6: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 6: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 11: Dev 4, If 0, Class=Vendor Specific Class, Driver=, 12M
    |__ Port 11: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M

Code: 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            6.01
  iManufacturer           3 Linux 6.1.2-1-pve xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:67:00.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0019
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength              11
  bDescriptorType      41
  nNbrPorts            12
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00 0x00
  PortPwrCtrlMask    0xff 0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
   Port 4: 0000.0100 power
   Port 5: 0000.0103 power enable connect
   Port 6: 0000.0103 power enable connect
   Port 7: 0000.0100 power
   Port 8: 0000.0100 power
   Port 9: 0000.0100 power
   Port 10: 0000.0100 power
   Port 11: 0000.0103 power enable connect
   Port 12: 0000.0100 power
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0001
  Self Powered

Code: 
lspci | grep USB
0e:00.0 USB controller: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020]
3a:00.0 USB controller: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020]
67:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43f7 (rev 01)
69:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43f7 (rev 01)
6b:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b6
6b:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b7
6c:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b8

Code: 
lspci | grep Thunderbolt
0c:00.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:00.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:01.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:02.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:03.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0e:00.0 USB controller: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020]
3a:00.0 USB controller: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020]

I considered passing through the Thunderbolt controllers themselves, however they all reside in IOMMU group 16, along with several other devices that the host requires to function. I am trying to avoid using the insecure acs_override workaround if possible, so it seems passing through these controllers directly is out of the question.

Code: 
for d in $(find /sys/kernel/iommu_groups/16 -type l | sort -n -k5 -t/); do      n=${d#*/iommu_groups/*}; n=${n%%/*};     printf 'IOMMU Group %s ' "$n";     lspci -nns "${d##*/}"; done;
IOMMU Group 16 04:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 06:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f4] (rev 01)
IOMMU Group 16 07:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:01.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:03.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:0c.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:0d.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 08:00.0 Network controller [0280]: Intel Corporation Device [8086:2725] (rev 1a)
IOMMU Group 16 09:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller I225-V [8086:15f3] (rev 03)
IOMMU Group 16 0a:00.0 Ethernet controller [0200]: Aquantia Corp. Device [1d6a:94c0] (rev 03)
IOMMU Group 16 0b:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 02)
IOMMU Group 16 0c:00.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:00.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:01.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:02.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:03.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0e:00.0 USB controller [0c03]: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020] [8086:1137]
IOMMU Group 16 3a:00.0 USB controller [0c03]: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020] [8086:1138]
IOMMU Group 16 67:00.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f7] (rev 01)
IOMMU Group 16 68:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f6] (rev 01)

I assume this is somehow driver related, but searching around for USB4 or Thunderbolt drivers, I'm coming up blank. Any suggestions? If there is any other information I can provide that may help, please let me know and I'll do my best to acquire it.
 
As far as I know, if you passthrough the USB ports to the vm, they will always be usb2.0
If you want to passthrough the full capabilities you'd have to pass the whole pci device, which may or may not be possible, depending on the iommu groups.
 
As far as I know, if you passthrough the USB ports to the vm, they will always be usb2.0
Click to expand...
Thanks for the reply @payne0420

In my experience, that is not the case, as I have successfully passed through USB devices which report as USB 3.0. I have not actually tested their throughput however, so if what you suggest applies anywhere, perhaps its to the actual bandwidth available rather than the version number itself?

But either way, that is not the issue here - as the lsusb command on the Proxmox host itself is reporting those ports as a Linux Foundation 2.0 root hub. So before we even begin to complicate things with virtual machines, the device is not being recognised correctly by the host OS.
 
if VM Machine Type is SeaBIOS + Version 7.0, usb controller is NEC and "use usb3" tick is available and works here at usb3 speed for a Virtual Synology nas.
 
Horizontual said:
Code: 
pveversion: pve-manager/7.3-3/c3928077 (running kernel: 6.1.2-1-pve)

I am trying to get my onboard USB4 40Gbps ports operating at full capacity. I noted that when passing through the port to a VM, devices were reporting that they were connected on a USB 2.0 port. Upon investigating on the host, using lsusb I identified that the devices in question were connected under Bus 003, which is reporting as as a Linux Foundation 2.0 root hub:
Code: 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Code: 
lsusb -t
/:  Bus 12.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/0p, 5000M
/:  Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
/:  Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/5p, 20000M
    |__ Port 5: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 5: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
    |__ Port 6: Dev 3, If 6, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 4, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 0, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 7, Class=Human Interface Device, Driver=usbhid, 480M
    |__ Port 6: Dev 3, If 5, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 3, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 6: Dev 3, If 1, Class=Audio, Driver=snd-usb-audio, 480M
    |__ Port 10: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 11: Dev 5, If 2, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 11: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/5p, 20000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 5: Dev 2, If 2, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 5: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 5: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 6: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 6: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 11: Dev 4, If 0, Class=Vendor Specific Class, Driver=, 12M
    |__ Port 11: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M

Code: 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            6.01
  iManufacturer           3 Linux 6.1.2-1-pve xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:67:00.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0019
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength              11
  bDescriptorType      41
  nNbrPorts            12
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00 0x00
  PortPwrCtrlMask    0xff 0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
   Port 4: 0000.0100 power
   Port 5: 0000.0103 power enable connect
   Port 6: 0000.0103 power enable connect
   Port 7: 0000.0100 power
   Port 8: 0000.0100 power
   Port 9: 0000.0100 power
   Port 10: 0000.0100 power
   Port 11: 0000.0103 power enable connect
   Port 12: 0000.0100 power
can't get device qualifier: Resource temporarily unavailable
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0001
  Self Powered

Code: 
lspci | grep USB
0e:00.0 USB controller: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020]
3a:00.0 USB controller: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020]
67:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43f7 (rev 01)
69:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 43f7 (rev 01)
6b:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b6
6b:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b7
6c:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] Device 15b8

Code: 
lspci | grep Thunderbolt
0c:00.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:00.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:01.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:02.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0d:03.0 PCI bridge: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] (rev 02)
0e:00.0 USB controller: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020]
3a:00.0 USB controller: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020]

I considered passing through the Thunderbolt controllers themselves, however they all reside in IOMMU group 16, along with several other devices that the host requires to function. I am trying to avoid using the insecure acs_override workaround if possible, so it seems passing through these controllers directly is out of the question.

Code: 
for d in $(find /sys/kernel/iommu_groups/16 -type l | sort -n -k5 -t/); do      n=${d#*/iommu_groups/*}; n=${n%%/*};     printf 'IOMMU Group %s ' "$n";     lspci -nns "${d##*/}"; done;
IOMMU Group 16 04:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 06:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f4] (rev 01)
IOMMU Group 16 07:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:01.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:03.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:0c.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 07:0d.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 16 08:00.0 Network controller [0280]: Intel Corporation Device [8086:2725] (rev 1a)
IOMMU Group 16 09:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Controller I225-V [8086:15f3] (rev 03)
IOMMU Group 16 0a:00.0 Ethernet controller [0200]: Aquantia Corp. Device [1d6a:94c0] (rev 03)
IOMMU Group 16 0b:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 02)
IOMMU Group 16 0c:00.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:00.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:01.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:02.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0d:03.0 PCI bridge [0604]: Intel Corporation Thunderbolt 4 Bridge [Maple Ridge 4C 2020] [8086:1136] (rev 02)
IOMMU Group 16 0e:00.0 USB controller [0c03]: Intel Corporation Thunderbolt 4 NHI [Maple Ridge 4C 2020] [8086:1137]
IOMMU Group 16 3a:00.0 USB controller [0c03]: Intel Corporation Thunderbolt 4 USB Controller [Maple Ridge 4C 2020] [8086:1138]
IOMMU Group 16 67:00.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f7] (rev 01)
IOMMU Group 16 68:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f6] (rev 01)

I assume this is somehow driver related, but searching around for USB4 or Thunderbolt drivers, I'm coming up blank. Any suggestions? If there is any other information I can provide that may help, please let me know and I'll do my best to acquire it.
Click to expand...

Having the same issue with USB4 ports being detected as Linux Foundation 2.0 root hub, I think it might require some drivers to be installed, did you find out how to fix it?
 
Same here, any information or solutions found ?
Version 8.2.
Linux pve 6.8.4-2-pve #1 SMP PREEMPT_DYNAMIC PMX 6.8.4-2 (2024-04-10T17:36Z) x86_64 GNU/Linux
 
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