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Questions tagged [lsusb]

Questions pertaining to lsusb, a utility for displaying information about USB buses in the system and the devices connected to them. Use this tag for questions about the lsusb command itself or questions about using the utility. Don’t use it for questions which feature lsusb output but aren’t about lsusb itself.

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Can I pass through a USB Port via qemu Command Line?

I'm launching a VM using qemu-system-x86_64. I know two ways to pass through a USB device. Say for example, I had a mouse that showed up in lsusb like Bus 003 Device 011: ID 6ade:9582 Amazing Mouse Maker I could pass it through using -device…
DeepDeadpool
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How do you mount a USB hardrive that shows in lsusb but not fdisk or lsblk?

I'm running Mint/Mate 17.3 and normally external drives "just work" when you plug them in. I have one particular older drive that has been sitting on my shelf for about 10 years (an "EZ Quest" from about 2005), but it worked the last time I used it,…
Nick
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Why is the hardware database of usbutils not updated?

I was wondering why some of my USB devices where not recognized by lsusb and stumbled upon /usr/share/hwdata/usb.ids. When I read the contents of the file I could see that the hardware database was dated from mid-2015 (roughly two years before the…
Paradox
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lsusb error -- can't get device qualifier / descriptor: Resource temporarily unavailable

I've recently installed Fedora 25 Server on a relatively old machine (HP Compaq dc7700 Small Form Factor). It previously used to run Windows 10, but all the USB ports suddenly stopped working (I don't recall if it's worked since); I've installed…
Zev Spitz
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Get iSerial with lsusb without sudo

Under my sudoer user (non-root), I can see my device with lsusb. However, to see the iSerial number, I need to issue lsusb -v, I do get a lot of information printed, but the message "Couldn't open device, some information will be missing" will also…
Conan
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lsusb doesn't list device names

This is what I get from lsusb: $ lsusb Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Bus 001 Device 004: ID 1bcf:2c18 Bus 001 Device 003: ID 0489:e046 Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 …
Behrooz
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USB serial number not shown with lsusb -v command

I have a USB-Stick from which I would like to read the serial number. If I invoke the command lsusb -v the output in the line iSerial is as follows: iSerial 3 If i go to /proc/scsi/usb-storage and look into the file i get the following…
Chris
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USB stick isn't recognized correctly by Linux Mint

I've got a usb stick which isn't recognized correctly by my system (Linux Mint 18, kernel version 4.4.0-34-generic). With lsusb the device is shown (it's the Kingston Technology DataTraveler G4): Bus 002 Device 003: ID 062a:4102 Creative Labs Bus…
Earl Nick
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Linux doesn't (re)detect devices connected to USB hub over USB type C

Problem description I just bought a new widescreen monitor (Dell Ultrasharp U4919DW) and I use it in split screen mode where one one side my work laptop is connected with DP and on the other side my private laptop (both Lenovo ThinkPad) is connected…
Spitzbueb
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Is there a limit to the number of FTDI connections on Debian 9?

I have a Debian 9 box, and if I plug in 1 of my devices, its UART shows up in both lsusb and in the output of ls /sys/bus/usb-serial/devices/. When I attach 2, the 2nd one always shows up. But for some number greater than 2, no new entries appear in…
Alex Shroyer
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What Happens to /dev/bus/usb After 1001 Connections

/dev/bus/usb/*/* lists all the usb devices connected on Alpine Linux. For example a phone could be /dev/bus/usb/001/009. When that phone is reconnected it will be /dev/bus/usb/001/010, i.e. it increments. My question is what happens after 1001…
Patrick Duncan
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How can I find out if the USB-C port on my laptop has video output (for adapter USB-C - HDMI)?

I have tried to use a hub with hdmi port that connects to the USB-C port of my computer but this one doesn't work. Checking other similar threads on Internet (and here), I see that the problem is probably that the USB-C port in question does not…
Fco Javier Balón
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Why isn't my CH341a Device Getting Assigned a Device Path (/dev/ttyUSB0)

I have a CH341a Programmer and when I plug it into a usb port everything seems to be working except it doesn't get assigned to a Device Path (eg /dev/ttyUSB0). Does anyone have any clue as to why this might be happening, or how to resolve this…
dlowrie290
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Are there any desktops (intel or amd) or pci-e cards that can support more than 16 USB devices per port?

I have a custom device from a manufacture that creates 32 ttyUSB devices. But this doesn't work with pc usb's controller because this generates error "not enough host controller resources for new device state". I believe this is an issue with Intel…
knodi
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Unable to enumerate USB device - unknown device: how to find out device that odes not show in lsusb?

I have a hardware product which sends a signal to an LCD display. The hardware box (unknown chip set) has an USB-A outlet and connects to a USB-B outlet on an LCD-display. The LCD display shows different values in a one second interval. I would need…
Cactus
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