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

learn more… | top users | synonyms

4
votes
0answers
1k 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
votes
0answers
287 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 ...
3
votes
0answers
513 views

DisplayLink & AMD Catalyst 13.8 BETA 2

I am running Ubuntu 13.04 with a 3.10 kernel, using AMD Catalyst 13.8 BETA 2 display drivers and cinnamon. I have found many posts stating that DisplayLink is automatically supported by the 3.10 ...
3
votes
0answers
460 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. ...
3
votes
0answers
718 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 ...
3
votes
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 ...
2
votes
0answers
22 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. ...
2
votes
0answers
46 views

USB 2.0 device is not working in USB 3.0 ports

I have a Ubuntu 12.04 system. To that system I have one USB 3.0 port. In this port I am trying use my USB 2.0 device. But every time when I plugged that USB 2.0 device into that USB 3.0 port,system ...
2
votes
0answers
27 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 ...
2
votes
0answers
32 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 ...
2
votes
0answers
23 views

What is needed for USB a device to appear under Sound in Ubuntu control panel?

I have a device that combines two audio interfaces and one HID interface. It enumerates correctly, as lsusb -D shows. Also, a trace with wireshark shows no errors - all descriptors are exchanged ...
2
votes
0answers
40 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 ...
2
votes
0answers
32 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
votes
0answers
92 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 ...
2
votes
0answers
154 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 ...
2
votes
0answers
40 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
votes
0answers
244 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
664 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
votes
0answers
142 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 ...
2
votes
0answers
219 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 ...
2
votes
0answers
191 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
2k views

Understanding udev rules and permissions in libusb

I had a problem with my scanner. Xsane worked only as root. Using it as normal user it didn't find any devices. Adding the user to the groups saned or scanner didn't help. Finally I solved the ...
2
votes
0answers
911 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
votes
0answers
979 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 ...
1
vote
0answers
8 views

CDC ACM doesn't working in a custom linux kernel

I've a cubieboard2 running arch linux with a custom linux kernel. In the cubieboard2 I plugged in my usb-serial device (like an arduino), the device is recognized as CDC ACM. My linux kernel has the ...
1
vote
0answers
23 views

How to have X server on another graphics card which keeps refreshing when I'm working on my main display?

For presentations I want to use the external USB connected video adapter connected to the projector (especially as the standard VGA output in my laptop got damaged). My idea was to start a dedicated ...
1
vote
0answers
163 views

Mount exFAT file system as user without hardcoding

I've "solved" the following problem, but not in a desirable way. First, mounting exFAT file systems in Linux was truly as simple as this site says. The catch is, "as long as you are root." A user ...
1
vote
0answers
45 views

How to make a mouse driver from a tty?

I have an Arduino plugged in my computer through the uart/tty port. I would like to use it as a mouse but I have no idea where to start with kernel/device drivers/etc. Here is a little summary of ...
1
vote
0answers
100 views

Scanner works in laptop, not in desktop

I have an Epson Perfection 660 flatbed scanner that works on my laptop. This is what appears in /var/log/syslog when I plug it in: Dec 18 15:43:57 lap kernel: [   31.868278] usb 6-2: new full-speed ...
1
vote
0answers
71 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 ...
1
vote
0answers
549 views

All USB ports detected as USB 1.0, not USB 2.0

My Ubuntu 13.10 server (Upgraded from 11.10) has always had an issue with mounting USB 2.0 devices. Despite legacy being turned off on the motherboard bios, the output of lsusb -t always shows the ...
1
vote
0answers
86 views

Mount an SD card over USB?

I'm currently using: insmod g_file_storage.ko file=/dev/mmcblk0p1 stall=0 removable=1 This works as I can see the device in Windows. However when it comes to changing a file, the changes are not ...
1
vote
0answers
110 views

PXE USB BOOT Debian

I have installed a Debian. I rsynced it. I load it on my client through PXE from NFS to make a backup. But I need my Computer(NFS-host) at the same time to make something other with it. For example, ...
1
vote
0answers
278 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 ...
1
vote
0answers
90 views

No USB 04b4:0307 microphone input after Ubuntu 10.04

I was very happily using VOIP SIP with Ubuntu 10.04. Since I upgraded to 12.04, not only has Ekiga become very buggy and inconvenient, but, the subject matter of this question: the microphone of my ...
1
vote
0answers
237 views

Anti-ghosting (NKRO over USB) keyboard

I've recently bought a new keyboard and was surprised to find that it didn't work in Linux. This keyboard does strange things to handle multiple key presses (ant-ghosting) over a USB interface. While ...
1
vote
0answers
244 views

USB ports not working

Ok, got a Puppy Linux Wary 5.3. running on an old laptop with USB ports. Now, here's the strange part ... none of them work. When I stick in a USB-stick there's no reaction. Still, lsusb lists ...
1
vote
0answers
83 views

Run script on “Safely remove” action in KDE

I have a Linux box with KDE 3.5.10. I do not plan to upgrade it soon, so please don't answer that. Now, I want to run a script each time I select the "Safely Remove" option on a mounted USB ...
1
vote
0answers
185 views

How to load kernel module in Chromium OS?

I've installed the Chromium Vanilla by Hexxeh to a USB drive, but I can't use it on my computer because it lacks the carl9170 driver, which is needed by my adapter (a D-Link DWA-160.) I've managed to ...
1
vote
0answers
79 views

Using USB 3 controller with Linux 2.6.x

I have a laptop that has an USB controller and an SD card which I believe connected to USB3. I need to do some development on a Linux version 2.6 which doesn't support USB3. Can I use USB 3 ...
1
vote
0answers
76 views

Flash disk USB Fedora installation reset counting

I have created a flash disk with pen drive Linux universal USB installer to install Fedora 18 on my system but after booting, a counter starts and then reset and never installation begin. My system is ...
1
vote
0answers
626 views

Install Arch(Bang) - Create Usb - Uefi

I am pretty new to Linux and want to install ArchBang-Linux, but I fail at creating a bootable USB-Stick. Can someone explain this procedure to me in a little more detail? ...
1
vote
0answers
181 views

Wireless Ad Hoc NAT

I got "OURLiNK 802.11n" mini USB wifi adapter for my Raspberry Pi, but I also would like to use it w/ my Scientific Linux 6.1 $ cat /etc/redhat-release Scientific Linux release 6.1 (Carbon) $ ...
1
vote
0answers
310 views

w_scan: no data from PAT

I'm using w_scan to get channel list for my DVB-T stick. But despite channels being found, channels.conf file is empty. I suspect Info: no data from PAT has something to do with this. I know the ...
1
vote
0answers
541 views

Finding/Mounting USB Device in Mac OS X 10.8

I've looked all over and found similar questions and answers and none seem to work for me or match what I see. I should add I'm new to UNIX and the OS X command line but have got a basic overview to ...
1
vote
0answers
505 views

Changing mode preference (1x/EVDO/Hybrid) for USB modem

Device in question - Huawei HC156 (what it says on the packaging)/HC1260 (what it says in lsusb). I CAN connect to the internet with it, but I can't change modes between 1x, EVDO, Hybrid. The option ...
1
vote
0answers
414 views

RT2800USB wireless adapter stops scanning

I have a Linux machine, and I'll switch between using an RTL8187 based card, and a RT2800USB based card (the cards are both USB dongles by the same manufacturer). I've loaded the drivers for both ...
1
vote
0answers
1k views

WD MyBook 3TB - Gparted failed & HDD partitions recovery?

I have this new WD MyBook external HDD (USB 3.0/2.0); I created 3 partitions all of them ext3 type (~1 TB | ~1 TB | ~750 GB) I loaded lots of files all the partitions were like ~30% full on each, and ...
1
vote
0answers
645 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 ...
1
vote
0answers
127 views

Make kernel detect garmin device

I'm trying to connect a usb garmin forerunner device to my system, but the usb device is not detected. I have loaded the following mods: garmin_gps 11544 0 usbserial 25449 ...