Public bug reported:
Topic says it all. Here is the output from console.
~$ fprint_demo
libusb couldn't open USB device /dev/bus/usb/001/004: Permission denied.
libusb requires write access to USB device nodes.
And here you can see how the device directories look like:
~$ ls -l /dev/bus/usb/001/
total 0
crw-rw-r-- 1 root root 189, 0 2011-09-14 13:02 001
crw-rw-r-- 1 root root 189, 1 2011-09-14 13:02 002
crw-rw-r-- 1 root root 189, 3 2011-09-14 13:02 004
crw-rw-r-- 1 root root 189, 4 2011-09-14 13:02 005
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: fprint-demo 20080303git-5ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
Date: Wed Sep 14 20:14:54 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: fprint-demo
UpgradeStatus: Upgraded to oneiric on 2011-09-13 (1 days ago)
** Affects: fprint-demo (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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https://bugs.launchpad.net/bugs/850232
Title:
fprint_demo does not have access to the device
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