The kernel's device manager, responsible for the contents of /dev.

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110 views

USB sticks not accessible & system hangs at shut-down: related to udev?

Please notice the update at the end of the post. I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
3
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321 views

Define a Policykit action for Upstart

I'm trying to get some user to start, stop and reload services by using the udev Upstart interface. I'm using Ubuntu 10.04. I created the file ...
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67 views

How to distinguish between identical USB's

I have this system where I have 8 USB RFID readers which I would like to distinguish from one another. Here's a snippet from lsusb Bus 002 Device 011: ID 05fe:1010 Chic Technology Corp. Optical ...
2
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118 views

Assigning ehci-pci to an Epson V33 scanner instead of xhci_hcd

I have recently installed Xubuntu 14.04 on two computers. Computer A is a DELL Aptitude E5430 laptop, whereas Computer B is a home-mounted desktop, with an ASUS H87-Plus motherboard. I have been ...
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765 views

Why do my udev rules run if I use udevadm trigger, but NOT at boot time?

I'm having trouble with udev rules not running. Here's an example: I have a rule /etc/udev/rules.d/99-test.rules which contains: ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x8086", ...
2
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0answers
173 views

LVM logical volumes do not activate on boot on 13.10

I am running an UbuntuGNOME 13.10 and I set it up without an LVM during the installation process. I am now running it with to encrypted partitions, one is containing a LVM. This all works fine, ...
2
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0answers
135 views

How to manually power-on the webcam?

I have a Clevo laptop with a built in webcam, on the keyboard there's a helpful Fn+F10 hotkey that seems to power the device on and off. I'd like to have some control over the webcam without needing ...
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13 views

Unknown Floppy Drive detected

After a reboot, Ubuntu (and Windows) detect an external floppy drive that isn't even there!It's not a big problem to find a new floppy drive that I can't access, but it really looks strange in the ...
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42 views

How can I remap the keys/keycodes of a usb foot switch on SystemD?

I was using the old udev rules to remap my usb foot switch key(the default is the keycode 36 -b :S) to Alt_L. Previosly I created a udev rule and a xmodmap file. But i'm trying the systemd now, and ...
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68 views

What is the Purpose of /etc/init/udev-fallback-graphics.conf in Ubuntu 14.04?

What is the purpose of the upstart configuration /etc/init/udev-fallback-graphics.conf (shown below) in Ubuntu 14.04 LTS? # fallback-graphics - take actions to initiate fallback graphics # # if we ...
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77 views

How to mount USB drive as user writable

I want to mount my USB hard drive as myself, or in my group, whatever it takes to be able to move stuff onto the disk without sudo. I have tried setting up a rule in ...
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72 views

Get keyboard scancodes in Ubuntu 13.10

I'm trying to find out the scancodes for a set of foot pedals so that I can rebind them to more useful keys. In older versions of Ubuntu I was able to do this using /lib/udev/keymap as discussed here, ...
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127 views

3 Modems HUAWEI E220 - Finding diferent data to make permanent USB Ports

I Have 3 Modems Huawei E220 USB connected on the same hub in the back USB Motherboard Ports. After they are connected they work very well - no conflicts. When I restart the system, all USB ports ...
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0answers
121 views

Trying to create UDEV rule to mount removable drive exfat partition

So I am trying to create a udev rule to automatically mount a drives exfat partition to /media/offsite. My goal is to automatically mount a drive to /media/offsite and then kick off a .sh script to ...
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82 views

udev is creating wrong disk id symlinks

I have lots of HDD's on my system, all but one are on USB. Here's my output from ls -la /dev/disk/by-id/: ata-INTEL_SSDSC2CW060A3_CVCV2041010Y060AGN -> ../../sdc ...
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43 views

Change automatically keyboard layout

I use custom keyboard layout. I have this script for setting it: #!/bin/bash setxkbmap -verbose us -variant altgr-intl xmodmap -verbose ~/.myxmodmap The problem is, that plugging the keyboard will ...
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64 views

Keyboard is not configured properly

I have a problem with my USB keyboard not being correctly configured in Ubuntu 14.10. lsusb shows the device as Bus 005 Device 010: ID 0db5:0119 dmesg | tail gives the following: [ 726.852025] usb ...
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182 views

udev rules for pendrive (/dev/sdb1) to change owner, group, permissions

Ubuntu 13.10 - Need udev rule to change owner/permissions for /dev/sdb1 (usb pendrive) when plugged into computer. All combinations tried so far under /etc/udev/rules.d/99-pendrive have failed to ...
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0answers
64 views

Alternative for removing ignore_device option in udev?

Recently, the option ignore_device has been removed from udev rules. What is the alternative to deny a device to mount or to connect to system in udev rules?
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219 views

Ubuntu Server 12.04: Boot hangs with error "udevd[538] inotify_add_watch(…) failed: invalid argument

I'm currently faced with the following situation: when rebooting a Ubuntu 12.04 LTS server after updating (it ran perfectly for a year or so, I updated it around two months ago and rebooted with no ...
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291 views

How to store LXC container's files in another folder

Well the answer seems to be given on https://help.ubuntu.com/13.04/serverguide/lxc.html#lxc-hostsetup page under Using a separate filesystem for the container store title but it doesn't work for me. ...
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90 views

Problem with cryptdisks-udev service

I am getting an error when I run 'puppet resource services' that complains about the cryptdisks-udev service. The exact error message is as follows: status: Unknown parameter: DEVNAME The error ...
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387 views

udev rules for multiple usb game controllers (including dual controllers)

Using XBMCbuntu Eden... I'm having trouble creating udev rules for my controllers. I have a dual arcade stick that has two separate usb connections, and I am having no trouble writing the udev rules ...
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510 views

Ubuntu 12.04 boot from LiveCD - “udev timeout sbin/modprobe -bv” error message

I'm trying to install Ubuntu 12.04 from LiveCD. I get the short purple-hue screen at first, but then I get the following error: udev timeout sbin/modprobe -bv pci:v0.... This goes on for 2 ...
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61 views

Udev alternates between correct and incorrect network configuration on subsequent reboots

I'm currently experiencing a problem that seemingly lies with udev in Ubuntu 12.04. I have numerous machines in the lab I am managing, all of which have been cloned from a single original master ...
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1k views

USB drives not recognized all of a sudden (module usb_storage not loading)

I am very close to the solution, just need to know how to get usb-storage to load I have tried most of the advice on askubuntu and other sites, usb_storage enable to fdisk -l. But I am unable to ...
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120 views

why my rule in udev/rules.d does not set the mode and group

jardag@precise-GiB:~$ lsusb Bus 001 Device 006: ID 15ba:002a Olimex Ltd. ARM-USB-TINY-H JTAG interface jardag@precise-GiB:~$ cd /dev/bus/usb crw-rw-r-- 1 root root 189, 0 Apr 4 21:13 001 crw-rw-r-- 1 ...
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434 views

Problems booting in recovery mode with Ubuntu 12.10

This is what I get when I boot into recoverymode: udevd[369]: timeout: killing '/sbin/modprobe/ -bv pci:v00001002d00006738sv0000174 Bsd0000174Bbc03sc00i00' [374] It shows multiple times.
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368 views

How do I mount a USB hard drive to an arbitrary mount point?

I just upgraded my system with an SSD from a hard drive. Loads faster. But, I left all of my large media files on my hard drive. Currently, I have a SATA optical bay caddy on order, but in the ...
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304 views

Can Ubuntu be used with an alternative to udev (reason increased boot speed)?

I think that udev can be a wonderful thing, since it really manages that the same Ubuntu system will boot up on virtually "every"(*) hardware setup. So I do really apreciate udev. Still I think it ...
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262 views

Failing to upgrade udev on 12.04 armhf (beagleboard)

I have just tried an usual update+upgrade today on my beagleboard and it fails as below: cprov@beagle-one:/var/lib/dpkg$ sudo apt-get upgrade Reading package lists... Done Building dependency tree ...
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15 views

kernel make zImage error - No rule to make target vmlinux

I've been searching for a couple of days and I can't find anything on google about an interesting error I get when compiling a linux kernel. I initially thought this problem had something to do with ...
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0answers
7 views

14.04.1 - udev exit failed rc=2 at boot

I went over to /etc/sysctl.conf to change the swappiness value (to 10). I then saved my changes, and rebooted into a live USB/CD to go into Gparted to increase my swap size. Gparted did its thing, so ...
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56 views

libusb couldn't open USB device /dev/bus/usb/002/006: Permission denied. libusb requires write access to USB device nodes

I am connecting my FTDI Device with Laptop USB. I was following all the steps given in the link How to build libftdi git under Linux But after installing.. When I was running ./eeprom it is throwing: ...
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79 views

Ubuntu 14.04 HDMI UDev Rule

I have tried multiple variations to this script but I cannot get it to work. The UDEV Rule fires the script and the script exectutes but simply does not change the audio profile. If I run the script ...
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90 views

mounting galaxy s4 ubuntu 14.04

I know this has topic has been touched on a lot, and I have tried just about anything I have read and still have no solution. Be aware, still relatively a noob with linux. The problem is as simple as ...
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15 views

After upgrading to Trusty my keymap file isn't working for my tivo_slide remote

I tried creating this file: ‍/etc/udev/hwdb.d/61-keyboard-local.hwdb It looks like this: lee@tv:/etc/udev/hwdb.d$ cat /etc/udev/hwdb.d/61-keyboard-local.hwdb keyboard:usb:v150ap1201* ...
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25 views

Cant change name of internal webcam via udev rules Ubuntu 14.04

I need to change device name of internal camera Rule: ACTION=="add", SUBSYSTEM=="video4linux", ATTR{name}=="UVC Camera (046d:0825)", NAME="video2", SYMLINK="usb/video", RUN+="/usr/bin/forudev" I ...
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0answers
41 views

Error reported @ startup on 14.04

I keep getting this error message at start up: system.udevd: 'failed to execute' '/dev/udev.mode-modeswitch/' '/dev/udev.mode-modeswitch/' vendor 0x12d1 --product 0x1446 --type option-zerocd':no such ...
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0answers
37 views

How to block a virtual part of a USB device with udev?

I've got Microsoft Sculpt Ergonomic Desktop (keyboard+mouse). It's a nice set but it creates problems for me as one of its parts in the system is a virtual joystick js0. I've got an advice to use ...
0
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0answers
16 views

udevadm doesn't print in terminal

So I'm using Ubuntu 14.04 and I'm trying to create some udev rules as I have 8 identical USB RFID readers Firstly I wanted to check what logical ttyUSBx devices existed (where x is 0, 1, 2...) with ...
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43 views

Usb3.0 udev events lag in 14.04

I have an application running on ubuntu 14.04(on an intel nuc) which responds to udev events. I have found using udeavadm monitor that there are lengthy lags in the events being sent. For instance if ...
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151 views

Disable all USB Storage devices and enable some devices based on Vendorid

I tried by adding below udev rule ACTION=="add", SUBSYSTEMS=="usb", RUN+="/bin/sh -c 'for host in /sys/bus/usb/devices/usb*; do echo 0 > $host/authorized_default; done'" ACTION=="add", ...
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70 views

Interface not starting on boot

I have Ubuntu server 10.0.4 and ASUS-N53 wireless USB adapter I needed to compile source files to get the driver to work and the logical name I got for that interface was ra0 The ...
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0answers
42 views

udev .rules file run as local per user?

I have my code that will run every time udev detects new usb. My code works fine when I run it as a local user. But It fails when I use udev.rules file because it runs my script as root. How can I ...
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56 views

How to force device node for usb device on Ubuntu

I want a particular usb device assigned to a given node usb on ubuntu 12.10. lssub shows Bus 002 Device 003: ID 19d2:0031 ZTE WCDMA Technologies MSM MF110/MF627/MF636 Now ZTE WCDMA Technologies ...
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0answers
32 views

Replacement for org.freedesktop.Hal?

several times ago I wrote a small python script, which used D-BUS and listens for HAL messages do to some magic in my desktop session after a specific usb device was plugged on/off. after switching to ...
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851 views

Sorry, could not display all the contents of “Storage”: libmtp error: could not get object handles

everyone! I use Ubuntu 14.04 64bit with Gnome Shell. I try connect my Windows Phone 7.8 Nokia Lumia 710. But I can not access to files. When I try open Storage on RM803,Nokia Lumia 710 by Files app, ...
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219 views

ubuntu upgrade rescue meet the udev problem, help

Thank adevance, please help me out! I upgrade from 13.10 to 14.04, but there is problems occured, so I rescued through KNOPPIX livecd. Just now the problem is: when i tried in chroot enviroment : ...
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189 views

What is the difference between /dev/tty* and /dev/bus/usb/001/002?

When I plug in a device that uses the LUFA USB framework (or any USB<->serial peripheral), Ubuntu creates a /dev/ttyACM* device file. It also creates a /dev/bus/usb/001/002 file and a ...