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

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739 views

“usb 3-2: can't set config #1, error -110” - USB keyboard works in Windows 8 laptop but on PC only until Linux boots

I tried 2 new USB keyboards that work until Linux starts booting. When booting I saw: [ 8.365211] usb 3-2: New USB device found, idVendor=1a2c, idProduct=0b23 [ 8.404863] usb 3-2: New USB ...
4
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0answers
118 views

automatic disconnection of RAID array

A RAID array connected to my system (Debian 7) via USB frequently disconnects itself for no apparent reason. Upon initial connection to the system, the device is detected, and the array can be ...
4
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0answers
2k views

Getting my Smart Card reader to work on Linux

I got a Smart Card reader, that I ripped from a Laptop the other day. It is an internal Smart Card reader, though it uses USB, so making a cable for it, was no problem. It seems it's recognized by ...
4
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0answers
2k views

How do I find out the device node corresponding to my device in SuSE 8?

I'm forced to work with a bunch of point-of-sale systems running SuSE 8. They are my client's computers. We are stuck dealing with these old systems until they get to upgrade their whole fleet to SLE ...
3
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0answers
50 views

Bad/strange USB device issue: failed to shutdown/restart

On a fresh Arch Linux installation with Intel i7 processor and an Nvidia graphics card, I noticed during boot log messages related to a usb device filled the screen before it reached the graphical ...
3
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0answers
56 views

Disable USB drive from sleeping

I am loading fedora20 directly from a SATA drive connected via USB. The problem is that I will be working and all of a sudden the drive seems to have been put to sleep and nothing will work except ...
3
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0answers
378 views

linux udev rule to load gadget module for client driver

I'm having a hard time automating loading a gadget module and bringing up the usb0 device as a eth interface. The interface in question is g_ether for a embedded Linux device and connecting to a PC. ...
3
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0answers
559 views

WiFi USB stick not recognised by BeagleBone Black

I'm trying to set up a TP-LINK TL-WL725N v2 WiFi USB stick on my BeagleBone Black. However, it doesn't even appear to be recognised, i.e. it doesn't show up in the output of lsusb: $ lsusb Bus 001 ...
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385 views

USB mouse not working

Every time I plug in any wired mouse recently, I get similar to the below on VCS1: [1443270.286164] usb 6-1: new low-speed USB device number 15 using uhci_hcd [1443270.454270] usb 6-1: New USB ...
3
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0answers
947 views

How do I reset a USB device using a script?

I have a USB GSM modem that does not always work property (Huawei E367u-2) Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it has different ttyUSB numbers. ...
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154 views

Netbook w/ Fedora 17 and USB Numpad at Boot Disables Internal Keyboard

I have a netbook with F17 installed. No X, just text console. The system boots fine and the internal keyboard works. I can plugin a USB numpad after boot and it functions reliably. However, if the ...
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309 views

PS/2 to USB port for keyboard gives “unable to enumerate USB device on port 5”

I got my hands on a Logitech Ultra X (Y-SX49) keyboard, with US key marks. The US key placement is much better than my Swedish native, at least for programmers, because there are much fewer shortcuts ...
3
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0answers
1k views

Make laptop to wake up by keyboard and mouse

The only way I can wake up my laptop (HP Elitebook 8460p) from suspend is by pressing the power button. Neither the built-in keyboard/mouse nor the external ones (connected via USB) wake the laptop ...
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34 views

USB 3.0 works always, USB 2.0 works sometimes

I have little problem with my two ports USB 2.0. They don't work properly. If something (like mouse or keyboard) is connected on boot it's working but when I re-plug this device he often don't want to ...
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0answers
61 views

USB Mouse Freezing in Debian / KDE // Keyboard OK

Having problems with seemingly random freezes of my Logitech Wireless Mouse in Debian (KDE). With regards to a number of articles out there, I don't have powertop, mouseemu or laptop-mode-tools ...
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0answers
13 views

Trouble getting USB printer to 'stick' using udevadm

What I’ve got so far $ udevadm info -a -p$(udevadm info --q path -n /dev/usb/lp1) | grep serial ATTRS{serial}=="544336460792090000" /etc/udev/rules.d/50-udev.rules: SUBSYSTEM=="usb", ...
2
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0answers
88 views

Properly power down SSD during shutdown

I recently got a Samsung SSD. I have debian wheezy installed on it. I carry it around in a USB enclosure and boot both my work and home computers from it. How can I ensure that the system properly ...
2
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0answers
49 views

ERROR: No room on ep ring

I built a pc around a Debian amd64 today. Every time I log in, I see hundreds of lines (that increase as the session proceeds) of ERROR: No room on ep ring. I've seen another question of this type ...
2
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0answers
99 views

USB ethernet device not working in VM

I'm having trouble getting a USB ethernet device working in a qemu-kvm/libvirt VM. The problem is that even though the guest OS sees the USB device just fine it can't mount it. lsusb on the guest ...
2
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0answers
45 views

How do I debug printers with USB problems via CUPS?

I have two printers that have stopped accepting jobs via their USB subsystem. CUPS sees the printer USB ports, has been able to send jobs to them in the past, but can't talk to them: ...
2
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0answers
107 views

Unable to load a USB keyboard driver on Debian machine

I have a pretty simple driver for USB keyboard: #include <linux/module.h> #include <linux/kernel.h> #include <linux/usb.h> #include <linux/usb/input.h> #include ...
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69 views

Configure a usb wireless adapter when hotplugged

I have a pc connected to the internet on eth0 and I have a usb wifi dongle: I succeeded to configure it as a hotspot to which I can connect from my mobile devices so that I can share the pc internet ...
2
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0answers
22 views

How to identify process accesing usb port (scale)?

I'd like to identify through terminal which processes are using the scale connected to my mac, I need to kill those processes or clean the port to be used only by my app. Thanks a lot in advance.
2
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0answers
85 views

Reduce cache size of flash storage devices

For various benefits Linux uses a memory cache for writes to removable stogare devices like memory sticks. This cache seems to be quite large on my system, which leads to some annoying behavior. For ...
2
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0answers
121 views

How to activate reverse tethering on CentOS 5

Most examples for reverse tethering are for Ubuntu. They go something along these lines: Attach smartphone Configure usb0 Start reverse tethering on the smartphone Use the PC network via USB from ...
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0answers
345 views

How can I set repeat rate of USB keyboard with udev?

How can I get my keyboard repeat rate to apply to a hotplugged USB keyboard? I made a udev rule to set the keyboard repeat delay and rate, /etc/udev/rules.d/99-usb-keyboard.rules with the following ...
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0answers
209 views

RNDIS Server to make a computer as a peripheral

First of all my goal is this, have a computer as a peripheral device to connect it to anyone's computer with ssh protocol or web. The idea is doing this by using a plug and play USB cable . Facts ...
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0answers
61 views

Detach keyboard from the kernel

I am writing a remote controller app for an octocopter and want to use a keyboard as an input device for this app but I don't want it to have any effect outside this app. Somehow I would like to make ...
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0answers
53 views

Driver not showing in /sys/bus tree

I'm trying to bind the "rt3572sta" to a USB device that previously had the "rt2800usb" driver bound to it. I ran this: $ sudo sh -c "echo [device-bus-id] > /sys/bus/usb/drivers/rt2800usb/unbind" ...
2
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0answers
206 views

Kicking a process from a USB-Serial port

I have a application which is using the USB-serial port. Occasionally on shutdown the port cannot be opened by another instance of the program, and up until now the only way I know of the program ...
2
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0answers
176 views

lsusb partially fails, is the problem with the USB bus or with the command?

What does Couldn't get configuration descriptor 0, some information will be missing mean? Did the Host fail to get the descriptor from the device, or the command lsusb failed to fetch that ...
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0answers
452 views

Debian Wheezy USB2 ehci_hcd

I have a friend who decided to switch to Linux from Windows. I was helping her to get up and running as quickly as possible but we ran into a problem which I can't seem to solve. She uses Debian ...
2
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0answers
47 views

Configuring Enlightened Sound Daemon

I have a single audio source specified in ALSA as plughw:1,0 (a USB microphone) and I'd like several other processes to be able to access the source simultaneously. For various reasons, each process ...
2
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0answers
311 views

lsusb outputs “Illegal Instruction” - why?

I'm trying to get a 3G USB dongle to work on a Raspberry Pi running Raspbian Wheezy, using a script called sakis3g. However, in trying to do this, I keep running into problems: when trying to connect ...
2
votes
0answers
1k views

How to retrieve sysfs devpath of a USB flash drive given its corresponding partition sysfs path?

I have a USB flash drive connected to a hub. Its storage device partition devpath in sysfs is /devices/pci0000:00/0000:00:12.2/usb6/6-1/6-1.2/6-1.2:1.0/host10/target10:0:0/10:0:0:0/block/sdb/sdb1. I ...
2
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0answers
222 views

Making USB drives readonly on an specific USB port or for an user account

I have a Multiseat machine and the second seat has USB access from a signle port by HUB (a Keyboard and a mouse are connected to it). I need make all storages drives that is connected to to this HUB ...
2
votes
0answers
1k views

Unable to use USB through DD-WRT on a Buffalo WZR-HP-G300NH2

I have a Buffalo WZR-HP-G300NH2 and I'm trying to get USB support working. The original Buffalo-branded firmware would refuse to mount the USB drive, so I've followed what tutorials I've found for ...
2
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0answers
838 views

USB keyboard won't work with usbhid driver

I have an HP thin client (model t5325) which runs Debian Linux (kernel 2.6.22.18-1-armel). We are testing some kiosk keyboards from Operator Interface Technology which are presenting themselves to ...
2
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0answers
1k views

Restart USB (ehci) in Fedora 14

I am looking for a way in Fedora 14 to restart the USB system so that all USB devices disconnect and reconnect to the OS (due to some slightly dubious USB peripherals that I have no choice but to ...
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0answers
13 views

Mount android device 4.0.4 on linux

I am trying to mount a Samsung Galaxy S2 as a mass storage device onto an uptodate Arch Linux setup. On the Android phone I have done the following Settings -> More -> USB Utilities -> USB mass ...
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0answers
33 views

Raspbian: USB storage device name changing after USB device power cycle

I'm running Raspbian 7.4 on a Raspberry PI that has two USB storage devices connected to it. This Raspberry PI will remain running during a power failure because it has console cable connected to it ...
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0answers
20 views

USB bus number changes on reboot

I have a fully updated Archlinux installation and I use udev to set specific permissions on the device node based on USB bus and port numbers so that I can redirect the ports (and not devices based on ...
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0answers
67 views

usbfs did not claim interface before use

Using Sunnybeamtool to read out sunnybeam over Rasperry Pi USB port. I get lot of errors in dmesg which doesn't affect the working (apparently) program is written in C. Messages: [30563.867756] usb ...
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0answers
29 views

Completely disable / deactivate USB in Ubuntu 10.04

I have some Ubuntu 10.04 based portable touchscreen computers at workplace and sometimes people would use USB data cable to charge their phones from the USB port. Now I have usb storage access ...
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0answers
10 views

Frugal installation on WIN 7 no admin rights

Laptop from my work has WIN 7 Enterprise, but I have no admin rights on it and under no circumstances I would change partitions. However it does boot from USB. As I want to use Linux on a regular ...
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66 views

Why are USB partitions & disk capacity not coherent between fdisk, parted, dmesg & /dev/sdXy

Disclaimer: I initially posted this on SF : http://serverfault.com/q/645670, but I think it better fits here First, a word of context: I'm trying to burn an ISO on a 16 Gb USB key, but I'm having ...
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0answers
45 views

Inaccessible USB Mass Storage Device (Bricked Garmin device)

I've got a running GPS watch (Garmin Forerunner 210, fwiw) which recently got bricked during a firmware update. Let's assume for point of discussion that an rma is not possible, so I'd really like to ...
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0answers
47 views

What happens after dialing USB 3G modem

I have a hard time understanding how a 3G USB modem communicates with OS. As far as I understand, pretty much all USB modems work in a similar fashion - they expose USB CDC device and to connect, ...
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0answers
55 views

Configuring Epson Stylus NX420 Scanner on Debian Wheezy

I'm trying to get my Epson Stylus NX420 printer/scanner combo to work with sane on Debian Wheezy (via USB). I've got cups and saned running, and I've added the printer in the cups configuration page. ...
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33 views

How can I find out if a problem with the USB ports in my laptop is due to hardware or software?

A few days ago, the USB ports in my laptop stop working. At first, I thought it might be due to a recent update of my OS (Ubuntu 14.04), so I began testing if something came up when connecting a ...