Hardware :: USB Device Is Not Claimed By Any Active Driver For Every Device

Nov 10, 2010

The error "USB device 6 (vend/prod 0x603/0xf2) is not claimed by any active driver." is in dmesg every time I connect my Logitech keyboard to my system. I also tried (all with the same error):
- Memory stick
- DVD-burner
- Compaq mouse

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Fedora Installation :: Device Driver For Usb To Detect Device?

Sep 19, 2009

I am currently using fedora 11 kernel 2.6.29 version, i wanted to write device driver for usb to detect my own device. My project is radio with computer. My fm radio get connected to usb port so i need to write h/w interfacing program.

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CentOS 5 :: Specify The Device Driver When Mounting A Device?

Jul 28, 2010

I have installed live cd on usb pendrive. Everything works great. How can I find out which device driver it is using? Where are the device driver files stored? How do you specify the device driver when mounting a device?

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Fedora Networking :: Service Network Restart - Device Not Active

May 1, 2011

I use fedora 14 and when I'm trying to run the network service on my system it gives me the following error -

# service network restart
Shutting down interface eth0: Error: Device 'eth0' (/org/freedesktop/NetworkManager/Devices/0) disconnecting failed: This device is not active [FAILED]
Shutting down loopback interface: Error: Device 'lo' not found. [FAILED]
Bringing up loopback interface: [OK]
Bringing up interface eth0: Error: Connection activation failed: Device not managed by NetworkManager or unavailable [FAILED]
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists

And whenever I try to activate the device in graphical mode again it shows the above same error.

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Software :: Cann't Find The Device Created Through Device Mapper In /proc/partitions?

May 15, 2011

Recently, I created a device sc0 through device mapper. The divice could be found in /dev/mapper/sc0. My problem is that the device doesn't exist in /dev/partitions which will block my following test.BTW, I found dm-0 in /dev/partitions. Is it the same as /dev/mapper/sc0? But the device /dev/dm-0 doesn't exist!

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Fedora Hardware :: Full Speed USB MSC Device Detected As Input Device?

Apr 7, 2011

I am working on an embedded system, which is an USB MSC device that supports some vendor specific scsi commands. I am using FC10 laptop as USB host for testing, and it runs some small apps based on sg3. All has been well for ~ a week. The FC10 laptop is able to communicate with the device and retrieve data. Suddenly, starting from today, the laptop is not able to properly detect the device. When plugged-in, the MSC device is detected as input device (I thought). This is observed from "dmesg" output and changes in "/dev/input/".The device under development is running at full speed. When I connect to winXP, no problem. A windows file explorer pops up, showing the content of the drive.Also, the FC10 has no problem with other USB flash drive (high speed).

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Ubuntu Multimedia :: Unable To Open Device /dev/dsp - Device Or Resource Busy

Apr 13, 2010

All my music editing software programs say, "unable to open device /dev/dsp.Device or resource busy." How can I fix this?

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Ubuntu :: Mdadm: Cannot Open Device /dev/sdb1: Device Or Resource Busy

Jun 11, 2011

I rebooted my server and out of nowhere the RAID5 array won't assemble. I've tried everything I could think of to reassemble the thing. I fear that the array is ruined, but I can't imagine how. Here are various bits of information: The simplest failure (with and without partition numbers, which have not been needed in the past):


richard@nas:~$ sudo mdadm --assemble --verbose /dev/md0 /dev/sd[bcd]
mdadm: looking for devices for /dev/md0
mdadm: cannot open device /dev/sdb: Device or resource busy


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Slackware :: VirtualBox - Windowsxp Guest - No Sound - Unknown Audio Device - In The Windows Device Manager

Mar 11, 2010

For those that use Virtualbox on their slackware host and have a windows (xp) guest running. I have tried various settings for sound (Alsa, PulseAudio), the AC97 drivers are installed in the Windows xp guest os, but there is no sound and there is an unknown audio device (in the windows device manager). If I remove the AC97 drivers and use the soundblaster16 drivers in the Vbox settings there is no unknown sound device, but there's still no sound. why I can't get sound working?

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General :: Ubuntu - Find The Device Node File For USB Device?

Aug 23, 2011

I've bought an X10 Home Automation USB interface: the CM15.

This is the information lsusb gives:

skerit@KIP-DU-SKER:~$ lsusb Bus 008 Device 002: ID 0bc7:0001 X10 Wireless Technology, Inc. ActiveHome (ACPI-compliant)

But this tells me nothing about where the device file is! How can I find that, or create one myself?

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Hardware :: Possible To Access An IrDA Device As A Serial Device Such As /dev/ttyUSB0?

May 24, 2011

the message from dmesg for the IrDA device:

[ 3635.194162] usb 3-1: new full speed USB device using uhci_hcd and address 2
[ 3635.338159] usb 3-1: New USB device found, idVendor=066f, idProduct=4200
[ 3635.338165] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0


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Hardware :: Retrofitting A Device File For A Mass Storage Device?

Jan 7, 2010

here we have an older digicam (Jenoptik/Exakta Model "DC 22", if someone might want to know) that can be switched between some "PC Camera mode" and "Mass storage mode".Unfortunately, if attached to USB, it is always recognized as

UDEV [1262910483.475886] add /class/video4linux/video0 (video4linux)
lsusb tells:


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Server :: Lifekeeper Error - DEVICE FAILURE On SCSI Device - /dev/add

Sep 17, 2009

Since May 12,2009. Our system lifekeeper has the error log "lifekeeper error: DEVICE FAILURE on SCSI device '/dev/add'", but it ran normally. Until last week, it failover to the standby server. The disk still running, the error still come out.

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General :: USB Device Is Plugged In - Make The Headset "active" Without Replugging It To The Computer?

Jun 7, 2011

I have a Razer headset plugged in. Everytime I restart the computer I have to unplug/plug the headset to make it work. It even shows up the system:

Bus 002 Device 002: ID 1532:001b Razer USA, Ltd

It does not show up as a valid sound device in system -> preferences -> sound.how I can make the headset "active" without replugging it to the computer?

uname -a
Linux unix 2.6.35-28-generic-pae #50-Ubuntu SMP Fri Mar 18 20:43:15
UTC 2011 i686 GNU/Linux

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Ubuntu Networking :: No Driver Claimed In Ndiswrapper - Atheros AR5001X+ Wireless Network Adapter?

Feb 26, 2010

I recently switched from Windows XP to a clean install Ubuntu Karmic Koala 9.10 but it seems to be quite a problem to get the wifi up and running. In Windows the nearby network all appeared in network connections but the same section in Ubuntu is empty. So I decided to go with the ndiswrapper guide to solve the problem with an unclaimed driver. After an entire day messing with my computer I'm still not close... Below follows excerpts taken from the Ndiswrapper guide with posted results from my computer. "ndiswrapper won't work until it thinks that your Windows drivers have been properly installed and that they are the appropriate ones for your wireless card. You can run the command: ndiswrapper -l"


WARNING: All config files need .conf: /etc/modprobe.d/blacklist, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/ndiswrapper, it will be ignored in a future release.
net5211 : driver installed
device (168C:0013) present (alternate driver: ath5k)

So I've posted the result the name of my wireless card below: lspci -nn


00:00.0 Host bridge [0600]: VIA Technologies, Inc. CN333/CN400/PM880 Host Bridge [1106:0259]
00:00.1 Host bridge [0600]: VIA Technologies, Inc. CN333/CN400/PM880 Host Bridge [1106:1259]


It seems like the network is disabled or unclaimed or both. What to do? I'm stuck after spending an entire day trying to install the wifi. I had no problems in Windows XP but it seems to be quite impossible in Ubuntu.

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General :: Write Device Driver For Pen?

Apr 6, 2010

If I were asked to write a linux device driver for a pen, How should I start?

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Kernel :: Write A USB Device Driver?

Jul 9, 2010


Originally Posted by anishakaul

When you copy paste the Makefile from post 7, make sure you delete the spaces shown in RED below by Backspace key and then press TAB

obj-m += hello.o
........make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
........make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

how to write a device driver for USB

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Programming :: Write USB Device Driver?

Oct 11, 2010

I know, I know..."How long is a piece of string"?

I have one of these devices:


Of course, it's Windows only, and XP only at that. However, the data that needs transferred between the device and the computer should be fairly basic, unless it offloads a lot of processing to the computer. I'm not a programmer, nor do I play one on TV, but I have written some fairly complicated microcontroller programs and some basic Java GUIs. Besides writing the actual code, how hard is it to do whatever needs done to make a Linux device driver, apart from the code to make the device work?

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Programming :: Block Device Driver ?

Nov 30, 2010

Is there an easy example of a block device driver I could follow as a guide to write my own module?

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Ubuntu :: How To Do Device Driver Programming

Jan 14, 2011

How to do device driver programming in Ubuntu 10.04?

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Software :: Getting Device Info From Device File?

Sep 26, 2010

Let's say I have a joystick in `/dev/input/js0`, how do I find out which device is it on `/sys/bus/usb/devices/`?

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Fedora Installation :: Device Driver To Load ?

Jan 22, 2009

I am totally new to Linux and have a PC here with 128 MB Ram and a 10 GB HDD. It has Windows Millenium installed but I presume this will be wiped during the install process if I so wish.,

I am part way through the install using CD's and have just chosen my required alnguage and then keyboard layout. The next option is asking me to choose what device drivers to load and most appear to be HDD Drivers. I haven't a clue what to choose here?

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Programming :: Character Device Driver And Mknod?

Mar 31, 2010

I've a problem with character device mounting. I've a character device module code. Here is the code

Code: /* chardev.c: Creates a read-only char device that says how many times
* you've read from the dev file
#if defined(CONFIG_MODVERSIONS) && ! defined(MODVERSIONS)
#include <linux/modversions.h>


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Ubuntu :: Detect And Install A Mic Device Driver?

Jan 8, 2010

how to detect and install a mic device driver? i only plug and play the mic in xp.

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Hardware :: Accessing Device Driver From C Application

Jun 14, 2011

I wrote device driver to USB device, I can see it is alive and sending the data that I set it to send from the shell

cat /dev/myDev
How can I read from the device using C code?
I've tried to open it as a file and read it's content to buffer but noting returns..

char bufferin[500];
FILE* myDev = fopen("/dev/myDev", "r+");
size = fread(bufferin, 500, 500, myDev);

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Hardware :: Bind Device To Compiled-in Driver?

Jul 25, 2010

It's easy to bind a device to a usb driver by doing something like

modprobe driver vendor=vid product=pid. I'm wondering if this can be done with a compiled-in module: is there a way to dynamically tell Linux to use a specific module for a device?

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Hardware :: USB Device Driver Notification Using Libusb V0.1 API?

Jan 18, 2010

I have an application that reads data from a medical device connected using usb.

I am writing the driver for this device since it is a vendor specific device.

I am using libusb v0.1 API and get notification to the application when the device is connected/disconnected.

I am using Linux Ubuntu with kernel 2.6.*

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General :: Can Device Driver Work On Windows?

May 2, 2010

I am facing a serious problem.. i want a linux-device driver to work on windows is it possible.. see windows has device driver files as .sys and linux has .ko so is it possible..??

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General :: Write A Device Driver For A Pen - Start?

Mar 3, 2010

If I were asked to write a linux device driver for a pen, How should I start???

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Programming :: Device Driver Is Dropping Characters?

Sep 23, 2010

I wrote a small hello world type of character device driver. When I type echo -n "abcdef" > /dev/bond and do a cat /dev/bond then only last "f" of above input abcdef is displayed rest nothing is displayed. I asked this question earlier and some people suggested me some modifications I have done and experimented all that but I am unable to catch the error.

Here is the code

/* Necessary includes for device drivers */
#include <linux/init.h>
//#include <linux/config.h>
#include <linux/module.h>


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