Arch Linux

barcisz

Member

Registered: 2018-03-02

Posts: 16

No device recognition

Hi,
I try to get any management for alienware lights (which is recognised as an usb device). However, when I run lsusb, it tells me that it cannot connect to the device:
(from lsusb -v | grep Alienware)

Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Bus 001 Device 003: ID 187c:0530 Alienware Corporation
  idVendor           0x187c Alienware Corporation
Couldn't open device, some information will be missing

Could someone help to figure out what to do?

V1del

Forum Moderator

Registered: 2012-10-16

Posts: 25,435

Re: No device recognition

Don't grep for alienware that output will be beyond useless. You see this line because it gets printed to stderr as opposed to stdout so the grep doesn't get applied. The fix for it is to run lsusb as root,/with sudo as certain device information cannot be accessed by an unprivileged user.

Mod note: Moving to NC.