Questions tagged [usb]

Universal Serial Bus (USB) establishes a connection between devices and a host computer.

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How to pass through USB device to guest VM? What are “hostaddr”, “hostport” etc?

I have the following on the host machine $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-...
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Service 'ifplugd' working erratically if ethernet cable unplugged at boot time

[Ubuntu kernel 18.04.4 5.4 arm64] I use a USB network card (with udev renaming to usb0). There is no issue if the UTP cable was connected at boot. In that case, I can unplug the UTP and plug it again. ...
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Can I disable particular usb port or device from loading while booting Linux?

As I have explained in this Question and Anaswer post, there is a problem with loading Webcam, which is connected through internal USB port and hence I am thinking to disable its loading while booting ...
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Webcam Problem (Robaxo RC100)

First of all, I am completely new to Linux in general so I do apologize for not knowing basically anything. I am using Pop Os which I was told is based on Ubuntu and I have a problem with my webcam. ...
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USB hard drive on OTG not mounted in Arch Linux

I am trying to mount a USB hard drive (Seagate Backup Plus) via the USB OTG port of my Wandboard on Arch Linux ARM. When I plug in the drive the pilot light flashes several times and Arch Linux finds ...
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How can I use a USB keyboard or mouse to wake from suspend?

I am using GNOME 3.36.6 on Arch Linux. By default, GNOME's automatic suspend option is enabled and it works as expected. However, I have to press the power button to wake the computer from suspend. I ...
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dd on macOS: ISO -> USB creates only Apple_partition_map

I tried to make bootable linux USB drive with SDHC 8Gb flash card on my MacBook with dd command according to this guide Also I googled a lot and found out that was the same issue in the past and no ...
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My USB controller is not recognized (error 10) when I try to pass through it in a Windows 10 guest os with virt-manager and a QEMU-KVM vm

Actually I have a problem to fix. I want to attach two Kinect 2,one for each virtual machine with its own USB controller and GPU using virt-manager with a QEMU-KVM connection on Ubuntu 20.04. The ...
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Wake on USB-C keyboard after reconnection

I'm running Ubuntu 20.04.1, but I think this question is generic. I use two separate laptops, and a USB-C adapter two connect a keyboard, mouse and monitor to them. If I suspend (-to-RAM) my laptop, ...
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Why are USB C -> DisplayPort adapters mix-and-match for every laptop?

I have a Lenovo Legion Y520 15IKBN (the specs of the Y520 are here, I have the one with a Nvidia 1050 Ti), and I have just bought a VR Headset Oculus Rift S which has a DisplayPort connection. I had ...
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How to change kbd config automagically when plugging USB keybord to laptop (and get a deterministic behaviour)?

udev rules are just getting on my nerves... Sometimes they work, other time they don't... Again, today they don't work. I always end up copying stuff on the web, then tweak it, then end up with a ...
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DisplayPort over USB-C via PortReplicator not recognized in Kernel 5.8.0-1

Summary Two monitors daisy chained to a port replicator via DisplayPort are not recognized as output via USB Type-C interface using Kernel 5.8.0-1 in OpenSuse Tumbleweed. I've tested various ...
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How would I Sniff USB-RS232 Stream on CentOS 7.6

I need remotely determine whether data is flowing from a legacy hardware-based communications device to my physically connected CentOS machine. There is a USB-->RS232 converter that connects the ...
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usb usb4-port1: over-current condition error after booting into kubuntu

I updated Windows 10 to the most recent update and Windows is working fine, but when I boot into Linux after the grub menu, it shows me the logo of my Linux distribution which is kubuntu and then it ...
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Get USB device tree without lsusb

I have a USB device and would like to see what it's parent device is, i.e. which hub it is connected to. The reason is that I'm debugging an issue with sleep mode. However, this is on an embedded ...
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setting up USB speaker on Slackware

So I'm good with Linux, but hardware isn't my strong suit. I have a USB speaker that I've plugged into my machine, but I can't figure out how to configure Linux to use it. I see it loaded in /var/log/...
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SANE not detecting scanner by ID (pipe error) or path (invalid arg)

I have a Canon P-208II, which uses the canon_dr backend [0]. However, I noticed from lsusb that the product ID of mine (0x1660) differs from that in /etc/sane.d/canon_dr.conf and /usr/lib/udev/rules/...
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XFCE not responsive after attaching usb devices

I am running Ubuntu with XFCE. After I plug in a USB device (mouse, keyboard, headset) the system becomes unresponsive for 5-20 seconds (windows do not focus, resizing windows does not redraw content ...
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How to create boot USB with debootstrap filesystem?

I created a Debian filesystem with debootstrap. debootstrap buster /tmp/bustertest chroot /tmp/bustertest apt-get update chroot /tmp/bustertest apt-get --no-install-recommends install linux-image-...
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USB Abstract Control Module (ttyACM0) not available after reboot

I have a Aeotec Z-Stick Gen5 device that is not available after reboot. The device, Bus 001 Device 002: ID 0658:0200 Sigma Designs, Inc. Aeotec Z-Stick Gen5 (ZW090) - UZB, works fine if it is plugged ...
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journalctl: what does “New USB device found” mean?

Aug 17 02:16:44 <hostname> kernel: usb 1-2: new high-speed USB device number 13 using xhci_hcd Aug 17 02:16:45 <hostname> kernel: usb 1-2: New USB device found, idVendor=05c6, idProduct=...
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how to get a more stable version of the qemu driver for the usb 3 controller

I'm trying to connect two kinects 2 to a two different qemu-kvm virtual machines. On the first one VM I have passed the IGD video card from ubuntu to windows 10,following this tutorial : https://blog....
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Make virtualbox use usb wireless adapter. (As wlan, not a bridget adapter)

I can see wlan0 (which is usb adapter) but I cant use it. I've tried sudo ifconfig wlan0 up and not succeeded. I use usb 3.0 filter. Drivers are correct: root@kali:/home/kali# dmesg | grep firmware [ ...
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Malfunctioning brand new USB

Brand new 32 Gb usb, but when I plug it in, I can only see 5.5 kb. So, I cannot make any partition table on it. I'm wondering if it can be fixed, or if it's a total loss. I'm running Manjaro, with ...
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Why does live usb boot take up almost full space and are there any ways to get around that?

I recently downloaded Puppy Linux which is almost 280MB .iso file. I had a 4GB USB drive. So I fired up good old dd command to burn the iso to the live usb. Everything went well, however, after live ...
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How to monitor conflicts at serial/CPU level between usb sensors, serial transmission and UDP streaming

I have a ARM64 board running Ubuntu 18. The board runs a Python script that does the following: acquire data from a USB camera and a USB microphone process the data and send the result to an external ...
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TRENDnet ac1900 tew-809ub chipset 20f4:809a — has anyone got this working with Linux Mint 20?

Has anyone got the TRENDnet ac1900 tew-809ub chipset 20f4:809a working with Mint 20? kaos@kaos-HP-Laptop-17-ca0xxx:~$ lsusb Bus 001 Device 021: ID 20f4:809a TRENDnet Bus 001 Device 003: ID 0408:5362 ...
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USB gadget serial-port (g_serial or composite): how do I control what name Windows will see?

I'm trying to add a gadget-serial interface to my project, either by way of modprobe g_serial or by way of a composite/configfs method. I have a little script (shown below) that works perfectly when ...
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Laptop keyboard/mouse not enabled after resume (disconnected USB keyboard/mouse before suspend)

I'm using latest version of Pop_OS. laptop is DELL 5368. I use the laptop with an USB keyboard, mouse and a external monitor. Then I suspend the laptop. It happens that maybe I want to use the laptop ...
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How do I stop my USB-to-Ethernet adapter from presenting itself as a CD drive upon boot?

Preamble: It seems that this question is being poorly received by some users and I'm not sure why. If you believe this question merits a downvote, please also consider posting a comment explaining why ...
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Why does my USB device disapear when I pass it to a qemu virtual machine?

I have a realtek wireless dongle that I want to pass to a qemu virtual machine. When I start the VM, the usb device shows up on both the host and in the guest as expected (shows up in lsusb, under /...
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Linux can't use USB devices attached to a KVM switch

I was using an old KVM switch between a Linux desktop and a Windows 10 notebook and all worked fine. Now I'm trying a new 4K display capable KVM switch and the mouse and the keyboard only work when ...
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What USB Wifi dongle combatible with i.MX6 Pico ITX

I have this single board computer i.MX6 Pico ITX: https://www.iwavesystems.com/product/single-board-computer/i-mx6-pico-itx-sbc/i-mx6-pico-itx-sbc.html It's armv7l It has 3.10.17-80739-g33597e3-dirty ...
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Difficulty getting gammu for SMS gateway to recognize iphone connected with USB

I'm attempting to set up an SMS gateway as shown in this link: http://xaintech.blogspot.com/2010/05/build-your-own-sms-gateway-with-ubuntu.html I am trying to configure gammu to connect to my iPhone ...
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linux-usb.org submissions - web site broken, emails ignored?

I need to submit some new USB device IDs for addition to the list/kernel. Does anyone know what has happened to the linux-usb.org list maintainer? I've attempted to submit new IDs as per the ...
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Cannot get USB passthrough working with QEMU MacOS (Arch Linux host)

I'm using this repo to run MacOS High Sierra on my Arch Linux. All is fine, however cannot seem to get USB passthrough working for my Lego NXT (current Lego Mindstorms software doesn't support NXT 2....
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USB drive cannot be formatted after burning ISO image on it (ISO 9660)

Two months ago, I decided to try openSUSE for the first time. After trying both the rolling release and stable versions, I concluded that I didn't like either of them. So, I just resorted to ...
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How to set /dev/ttyUSB device on a specific constant device number?

I use several Linux servers hosts, in which multiple serial-to-USB links are plugged in. They look like /dev/ttyUSBx devices, where x is a number starting from 0. Client devices are often rebooted or ...
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How to setup and bring up can interface automatically on plug event?

I'm currently using a peak can interface to read can traffic. Every time I plug it to the computer, I must manually run: sudo ip link set can0 type can bitrate 500000 sudo ip link set up can0 I could ...
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Create an ISO containing command line Linux plus my utilities

I'm trying to create something simple: a USB that boots a live version of Linux that can be used without installation. I'd like to add a few utilities of my own and want it to be good old command line ...
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Using Laptop to serve as monitor, keyboard and mouse to another PC

I have a laptop for my regular use which is compact and for regular day to day work. I need a much powerful PC so I buy/ assemble one. But I dont want to buy peripherals like Monitor, Keyboard and ...
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Not able to boot Manjaro installed on USB

I have installed Manjaro in a USB following this guide: Install Manjaro on Flash Drive (Persistent and Portable) | TechSolvePrac installing it as if the USB were a hard drive. I also made sure to ...
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black screen in debian installation - “installing the base system”

I am installing debian, and in partition phase selected 10G of USB drive to be root directory. Then the installation continued (with installing the base system). Then, suddenly a black screen was made ...
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What is com command in linux?

I saw in a video on Youtube : $ sudo com /dev/ttyUSb0 115200 [sudo] password for xt003: setting speed 115200 C-a exit, C-a modem lines status [status]: RTS DTR What is com command? I searched for ...
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USB C port becomes unusable after unplugging (until reboot)

I use a USB C Hub with integrated SD card slots, and audio, ethernet, VGA and HDMI ports with my laptop. Often (I feel like ~30% of the time), after unplugging it, it is not recognized again until I ...
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How to umount a USB key while running on tails

I would like to create a live USB from TAILS (on the same USB key as that of running TAILS). A dd from the iso to the device is not tolerated since the key is mounted: $ lsblk sdb 8:16 1 7....
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debian installation cannot detect partition

In partition phase of installing debian, I have this sdb partition: $lsblk ... sdb 8:16 1 14.4G 0 disk ├─sdb1 8:17 1 3.7G 0 part ├─sdb2 8:18 1 2.8M 0 part └─sdb3 8:19 1 ...
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How to install CentOS 7 on another machine without using a physical installation media like USB or DVD?

Currently I have two machines on the same network: Windows 8.1 machine CentOS 7 machine I want to reinstall the 2nd machine with a clean CentOS 7 install. That machine is situated at another place ...
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Should I use df or du to calculate space to use for partitioning?

I want to back up /home dir, but the sudo du -h /home | tail -n1 shows 22146824 /home however df -h shows: /dev/sda5 54G 22G 30G 42% /home 22*2^30 == 23622320128 The later number is ...
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USB PCIe board error, failed attempt to set the MPS

This is the log when the problem occurs, I'm using an NVIDIA Jetson Xavier + PCIe board (PEXUSB3S44V) with 4-Port Bus. the problem seems the setting of the PCI-E Max Payload Size. how can I fix it? [ ...

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