Questions tagged [usb-device]

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5
votes
2answers
780 views

Disable a USB device which has no driver

I have an HP Envy laptop on which I have installed Ubuntu 16.04. This model of laptop has 'Swipe Fingerprint Sensor' installed, lsusb reports: Bus 002 Device 004: ID 138a:0050 Validity Sensors, Inc. ...
2
votes
1answer
484 views

Automount disk connected through USB when the PC is turned on

I have a PC with Linux Mint 18 XFCE with an external drive permanently connected through USB. I never disconnect it. When I turn on my PC, the disk is recognized but it is not mounted. I have to "...
0
votes
1answer
4k views

Manjaro Linux not detecting wifi adapter?

So i just installed Manjaro KDE fresh, but it's not recognizing my wifi adapter. For the record I'm using a netgear a6210 adapter. I type "ip link" in the terminal and it doesn't show up at all, ...
2
votes
1answer
45 views

USB keyboard is ignoring key presses in some very frustrating pattern

I booted my laptop docked to a USB keyboard and external monitor. I've used it in this setup very recently and it was fine. Today, the USB keyboard is sometimes ignoring a key press. It happened a ...
2
votes
1answer
429 views

USB devices not recognized when laptop runs on battery

When I use my laptop on battery, no USB device I connect (i.e. memory stick, external hard drive or mouse) is recognized on either USB 2.0 or USB 3.0 ports. I found two workarounds, which I, however, ...
1
vote
0answers
150 views

Arch Linux: not able to get to Nokia phone storage

I have a Nokia 230 mobile (basic model). I am using Arch Linux. I was able to connect mobile to my laptop using USB and was able to see the storage files using pcmanfn (file manager). I used to get ...
1
vote
1answer
234 views

Does Linux cut power to usb devices that consume too much power?

If I short an Arduino, will Linux detect that something is wrong and dissable the port? The Mabook will display a warning and dissable the device.
1
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0answers
2k views

Camera passthrough in QEMU/KVM (linux) guest machine

I try to get the camera working in my qemu (Archlinux) guest machine. The host is also an Archlinux system. Below I show the command I tried and the lsusb and lspci outputs. When I start the guest ...
4
votes
3answers
780 views

USB/HDMI adapter detected only as audio adapter

My employers want to try to send a video signal from a laptop in their storage room to a tv they have mounted in the dining room (restaurant). There is no HDMI output from this laptop (Toshiba ...
1
vote
0answers
940 views

USB touch screen not working with debian 3.8.13 (BeagleBone Black)

I have a waveshare 7" HDMI touch screen display rev 2.1(touch over USB port and HDMI display) (link for the product) and I want to interface it with BeagleBone Black. The manufacturer says the 7" ...
4
votes
1answer
35 views

How do I figure whether a drive is connected?

There is already a drive connected where the model name of the drive is fixed and we have to play the movie using the same drive but due to crank it gets mounted in different path frequently. Assume ...
1
vote
2answers
766 views

Android device is stopped getting detected in linux

My motorola android mobile was getting detected initially in linux mint 17.3 . Then I was using it for android studio where mobile is getting detected and could do testing android app via my mobile. ...
1
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0answers
35 views

USB devices not showing

I'm trying to write a C program that goes through all USB devices and extracts some information from them. When I run ls /sys/bus/usb/devices from the terminal, I get this output: 1-0:1.0 1-1.1 ...
1
vote
1answer
2k views

what is the difference between usbtouchscreen and usbhid?

I am trying to understand the touchscreens. And I came across these two kernel modules: usbtouchscreen and usbhid. I am confused as what is exactly the difference ? Lets assume I have a touchscreen ...
0
votes
1answer
26 views

USB Drive Password when copying data

Is there a possible way or software where I can still be able to save files to my USB Drive but it will require password when I copy a file from my USB Drive to another computer? I tried write-...
1
vote
1answer
691 views

How do I access USB endpoints with recent Linux kernels?

I am modifying some dated code (from year 2011; see here) that accesses a USB endpoint in the path: /sys/class/usb_endpoint/usbdevBUS.DEVICE_epENDPOINT/device where "BUS", "DEVICE", and "ENDPOINT" ...
2
votes
0answers
449 views

Ethernet to USB adapter is not initialized as ttyUSB or ttyACM device

When I plug a Ethernet-to-USB adapter to my Ubuntu 14.04 on the USB port. I can see the Ubuntu has an extra ethernet device. However, I want to see /dev/ttyACM* type of device. I'm wondering why the ...
4
votes
2answers
543 views

How can I make a udev rule using a “sibling” device's serial number (for USB devices with no unique serials)?

I have testing equipment that is made-up of the following: a USB Hub connected to the master PC, the hub is embedded in the test jig and is used so that we have only 1 USB cable running from the jig ...
7
votes
1answer
10k views

Safely remove usb from linux device [duplicate]

I am using a USB with an embedded device running linux. The issue is that in some cases when I unmount the usb by giving the command umount /media/sda1 the unmount is successful but when I proceed to ...
0
votes
1answer
2k views

All USB devices that were connected, EVER

How do I find all the USB devices that were connected, since the installation of the OS? I suspect that the path /var/run/udev/data has this info, but not sure. In addition, how do I filter the ...
0
votes
0answers
86 views

How to get the photos off a Windows phone

How can I see the photos taken with a Windows phone? I'm used to simply plugging in a phone using an USB cable and being able to browse to the folder containing the photos. In this case however, ...
1
vote
2answers
5k views

List of mount points of external storage devices such as USB keyfobs and SATA external drives, from the cli

I need to list all mount points associates to external storage devices such as USB keyfobs and SATA external drives. The only way I found under Ubuntu, is to call 'mount' and grep for '/media'. But ...
1
vote
1answer
835 views

Unable to playback captured audio using USB sound card

I am trying to capture and play audio using C program. For this I got this tutorial.. Here is the program which I am running:- /** * Jan Newmarch */ #define PERIOD_SIZE 1024 #define BUF_SIZE (...
2
votes
2answers
13k views

driver for Ralink USB RT2870 --> 148f:7601

I bought the Ralink USB Network Interface device listed below $lsusb Bus 004 Device 002: ID 148f:7601 Ralink Technology, Corp. And I've looked at many threads which all point to the same chipset ...
4
votes
2answers
1k views

USB bus port number vs USB physical position

I have multiple devices connected to 3 USB ports. I can list them connected with some identification numbers through the following commands: # cd /sys/bus/usb/drivers/usb # ls 1-1 1-1.2 1-1.3 ...
0
votes
0answers
119 views

USB dongle not accessible in Linux

I have a USB dongle (security token) to connect company servers; in fact there is a private LAN with some servers in it. The company has got me a public address with this security token to connect to ...
2
votes
4answers
5k views

How to check if unmount of USB device is completed?

I once unmounted an USB device using Ubuntu or Debian file manager, and when the icon next to the drive that shows it is mounted disappeared I immediately pulled the USB device out. Turns out that ...
0
votes
1answer
785 views

partitioning a usb stick with gparted

I need partitioning my USB stick into two parts. Specifically my aim is to install Windows-to-go on the second partition and use the first one as a multiboot device for my Linux distros; these ...
1
vote
0answers
278 views

Using PCSCD with ACR122U error

I try to use the ACR122U with PCSCD with mfcuk bu on my PCSCD terminal I have a recurrent error : 00400285 ccid_usb.c:747:WriteUSB() write failed (3/4): -1 LIBUSB_ERROR_IO 00000063 ifdwrapper.c:371:...
6
votes
1answer
1k views

How to logically eject/disconnect & reattach a usb device (dongle)?

We've bought a commercial application who just work only if their dongle usb is connected to the server. However sometimes the application can not recognize the dongle, so it doesn't work, but if ...
0
votes
1answer
771 views

How do I load a kernel module later in the boot sequence?

I've been experimenting with the g_mass_storage kernel module. I first tried loading it by putting it in /etc/modules and the options in /etc/modprobe.d/file.conf This worked, but when I connected ...
2
votes
0answers
357 views

usb Joystick Detected, but registers no input

I have two Oracle Enterprise Linux 6.7 systems, each running kernel 2.6.32-573.7.1.el6.x86_64 The same overall packages/configuration are applied to both, and I have installed kmod-joydev from the ...
0
votes
1answer
1k views

Cannot get TP_LINK / TL-WN823N / Realtek 8192cu usb wireless adapter to be utilized on Debian Wheezy

I have a TP-LINK TL-WN823N wireless usb stick (Realtek Module 8192cu) for my desktop. I cannot get the network manager to use it. Wicd says no wireless networks found and the standard network monitor ...
2
votes
1answer
5k views

udev rules driving me nuts

I have this usb-serial device: root@imx6_armboard:/etc/udev/rules.d# udevadm info -a -p $(udevadm info -q path -n /dev/ttyUSB0) Udevadm info starts with the device specified by the devpath and then ...
2
votes
1answer
243 views

Understanding usb busses devices and ports

I have some over-current error messages in dmesg output. [ 2.235648] usb 4-1-port3: over-current condition [ 2.443643] usb 4-1-port4: over-current condition If I do an lsusb -s 4:1 I get the ...
1
vote
0answers
73 views

Detecting Hardware of the Dyconn Dubbler Dock

I purchase USB3 dual-hard-drive docking station from Fry Electronics called the Dyconn Dubbler Dock. When I plug this device into an Ubuntu Linux 15.04 laptop (kernel: 3.19.0-26-generic), I see no ...
1
vote
0answers
120 views

Best way to approach HID_MAX_USAGES kernel errors?

This is an issue I have for the second time now: basically, an USB based device reports some wrong numbers for "HID_MAX_USAGES", resulting in the kernel giving an error message and the device not ...
1
vote
0answers
1k views

Trying to get a usb modem to run with wvdial

$ sudo wvdialconf Editing `/etc/wvdial.conf'. Scanning your serial ports for a modem. ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud ttyS0<*1>: ATQ0 ...
2
votes
2answers
2k views

Disable laptop keyboard to only use USB keyboard

I need to disable my laptop's keyboard so that keyboard can only be used via USB. I am not using X, I am on the Linux console. The solution should be able to start as early in the boot process as ...
2
votes
1answer
688 views

lsusb shows USB devices that are not connected

I have the weird issue that lsusb shows USB devices that are not connected. We have a couple of devices connected via USB. To disconnect them from the system we disable the power to the USB port with ...
2
votes
0answers
468 views

USB / RS485 converter static mapping to /dev/ttyUSB

I need to map one serial port converter to static usb port so after my raspberry gets restarted I still have the right mapping. I bought this USB-> serial port RS485 converter http://www.dx.com/p/usb-...
1
vote
0answers
813 views

Custom driver for keyboard GNU/Linux 4.1.0-rc8 (Fedora)

I am writing a driver for a Logitech G110 USB keyboard for Kernel 4.1.0-rc8. My driver is perfectly loadable with insmod (Debugging message prints to dmesg that it get's initialized through ...
1
vote
0answers
315 views

Ethernet USB dongle works then randomly drops until restart

I've been using xubuntu 14.04 as my daily driver for a while now, as I've been getting into web development. I'm using a dell ultrabook that has no ethernet port (XPS 12 9Q33), and so I have usb 2.0 ...
3
votes
2answers
2k views

How to read lsusb?

What is the vendor id and what is the product id in the output of lsusb? ➜ lsusb Bus 001 Device 018: ID 0781:5576 SanDisk Corp. Bus 001 Device 011: ID 0e0f:000b VMware, Inc. Bus 001 Device 001: ID ...
3
votes
1answer
712 views

wifi slowdown after time, how to troubleshoot

I do not currently have access to the computer with the issue, to I am sorry if this question is a bit vague. I only need to know how to troubleshoot and not the actual solution. Right, I have a USB ...
10
votes
3answers
9k views

How can I set up a “USB proxy” for /dev/ttyUSB0 over the network?

I have a device under test (DUT) and I measure its power usage the using a Power Analyzer Datalogger using the data from /dev/ttyUSB0. The problem is that the DUT is now remotely from the workstation ...
0
votes
2answers
1k views

Writing ISO file to USB

I need to write a windows7 iso file on my usb stick. I had been used to this task. I usually either use the dd tool, or unetbootin. Surprisingly both don't work today. With dd I did the following : ...
0
votes
0answers
81 views

Continuety of driver support in linux kernel

I am an embedded GNU/Linux learner. I understand with the new Kernel, driver support for most added hardware is coming through Device Tree Structure (DTS). But I have found out that there are still ...
1
vote
0answers
266 views

USB Wireless Adapter not detected after suspend

I am using an external USB wireless adapter (EnGenius Wirelss 11N) on Elementary OS Freya running on a Dell Vostro 1510. Whereas the USB wireless is detected and connects when plugged in, it is not ...
4
votes
1answer
1k views

Using “LuxTrust Signing Stick” on Fedora (this is specific to Luxembourg)

This is a question specific to the country of Luxembourg: In Luxembourg, electronic signature infrastructure for official and banking business is provided by the company LuxTrust S.A.. They offer USB ...