On Mon, Mar 5, 2018 at 7:40 PM, <[email protected]> wrote:
> Is there a way to reinitialize USB ports without restarting the computer?
>
> Two of my USB 3 ports stop working.
>
> lsusb -t
> /: Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
> /: Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
> /: Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
> /: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
> /: 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
> |__ Port 3: Dev 13, If 0, Class=Human Interface Device,
> Driver=usbhid, 12M
> /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
> |__ Port 4: Dev 2, If 0, Class=Human Interface Device,
> Driver=usbhid, 12M
> |__ Port 4: Dev 2, If 1, Class=Human Interface Device,
> Driver=usbhid, 12M
> |__ Port 4: Dev 2, If 2, Class=Human Interface Device,
> Driver=usbhid, 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
>
How do you know they've stopped working? Are there notices in dmesg?
Some devices do not work well on USB3 ports.
Cheers,
R0b0t1
