我已經嘗試了幾種建議的解決方案,但都不起作用。以前的 32 位元 ubuntu 可以看到我主機板上的所有端口,但 64 位元 ubuntu/debian 版本無法使用所有連接埠。 4 個 USB3 連接埠可以工作,但 10 個 USB10 連接埠無法運作。在 BIOS 中開啟 iommu 的建議會導致崩潰並遺失資料。 BIOS和Windows 10都可以使用所有連接埠。
lsusb -t
/: Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
|__ Port 3: Dev 2, If 0, Class=Mass Storage, Driver=uas, 5000M
/: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 480M
|__ Port 1: Dev 3, If 1, Class=Vendor Specific Class, Driver=snd-ua101, 480M
|__ Port 1: Dev 3, If 2, Class=Vendor Specific Class, Driver=snd-ua101, 480M
|__ Port 1: Dev 3, If 3, Class=Vendor Specific Class, Driver=snd-ua101, 480M
|__ Port 2: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 4: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 4: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
/: Bus 07.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/4p, 12M
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/2p, 12M
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/4p, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
sid@sid:~$