Gentoo Archives: gentoo-user

From: thelma@×××××××××××.com
To: Gentoo mailing list <gentoo-user@l.g.o>
Subject: [gentoo-user] USB ports reset/restart
Date: Tue, 06 Mar 2018 01:40:19
Message-Id: f3a261c9-211e-f602-a3f7-dc2f0abb851d@sys-concept.com
1 Is there a way to reinitialize USB ports without restarting the computer?
2
3 Two of my USB 3 ports stop working.
4
5 lsusb -t
6 /: Bus 11.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
7 /: Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
8 /: Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
9 /: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
10 /: Bus 07.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/4p, 12M
11 /: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/2p, 12M
12 /: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
13 |__ Port 3: Dev 13, If 0, Class=Human Interface Device,
14 Driver=usbhid, 12M
15 /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M
16 |__ Port 4: Dev 2, If 0, Class=Human Interface Device,
17 Driver=usbhid, 12M
18 |__ Port 4: Dev 2, If 1, Class=Human Interface Device,
19 Driver=usbhid, 12M
20 |__ Port 4: Dev 2, If 2, Class=Human Interface Device,
21 Driver=usbhid, 12M
22 /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/4p, 480M
23 /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
24 /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M
25
26
27 --
28 Thelma

Replies

Subject Author
Re: [gentoo-user] USB ports reset/restart R0b0t1 <r030t1@×××××.com>
Re: [gentoo-user] USB ports reset/restart Neil Bothwick <neil@××××××××××.uk>
[gentoo-user] Re: USB ports reset/restart Grant Edwards <grant.b.edwards@×××××.com>
Re: [gentoo-user] USB ports reset/restart "Taiidan@×××.com" <Taiidan@×××.com>