anarsoul, if you check the ubuntu bug, there are many people available with
traces.

A direct link to a trace made up with USBlyzer from Henry Florian
https://bugs.launchpad.net/fingerprint-gui/+bug/745505/+attachment/3518935/+files/sniff.ulz

Javier Domingo


2012/11/29 Mucahid Zeyrek <email address hidden>

> Dear Sender,
>
> I will be out of office till 3rd Dec and will have very limited access
> to my emails. For urge matters pls email to;
>
> <email address hidden>
>
> For "very" urgent matters pls call me fm my mobile; +90 533 502 3090
>
> Regards,
> Mucahid Zeyrek
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/745505
>
> Title:
>   [138a:0007] VFS451 fingerprint reader not recognized
>
> Status in Fingerprint GUI:
>   Invalid
> Status in libfprint:
>   Confirmed
> Status in NULL Project:
>   Invalid
> Status in “libfprint” package in Ubuntu:
>   Triaged
>
> Bug description:
>   Validity Inc. fingerprint reader model vfs451 (id=138a:0007) does not
>   work under Ubuntu.
>
>   $ uname -a
>   Linux CyberElite 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 18:42:20
> UTC 2011 x86_64 GNU/Linux
>
>   $ cat /proc/version_signature
>   Ubuntu 2.6.35-28.50-generic 2.6.35.11
>
>   dmesg and lspci log files are attached
>
>   AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
>   ApportVersion: 1.23-0ubuntu4
>   Architecture: amd64
>   ArecordDevices:
>    **** List of CAPTURE Hardware Devices ****
>    card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
>      Subdevices: 1/1
>      Subdevice #0: subdevice #0
>   AudioDevicesInUse:
>    USER PID ACCESS COMMAND
>    /dev/snd/controlC1: jesus 2681 F.... pulseaudio
>    /dev/snd/controlC0: jesus 2681 F.... pulseaudio
>   Card0.Amixer.info:
>    Card hw:0 'Intel'/'HDA Intel at 0xd7520000 irq 60'
>      Mixer name : 'IDT 92HD75B3X5'
>      Components : 'HDA:111d7603,103c1521,00100202
> HDA:11c11040,103c3066,00100200'
>      Controls : 14
>      Simple ctrls : 9
>   Card1.Amixer.info:
>    Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 16'
>      Mixer name : 'Nvidia GPU 0a HDMI/DP'
>      Components : 'HDA:10de000a,10de0101,00100100'
>      Controls : 16
>      Simple ctrls : 4
>   DistroRelease: Ubuntu 11.10
>   HibernationDevice: RESUME=UUID=4b08d392-615a-4e2a-b5ab-a3867a52c97d
>   InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64
> (20100429)
>   MachineType: Hewlett-Packard HP EliteBook 8540w
>   NonfreeKernelModules: nvidia
>   Package: linux (not installed)
>   PccardctlIdent:
>    Socket 0:
>      product info: "RICOH", "Bay8Controller", "", ""
>      manfid: 0x0000, 0x0000
>      function: 254 (unknown)
>   PccardctlStatus:
>    Socket 0:
>      3.3V 16-bit PC Card
>      Subdevice 0 (function 0) bound to driver "pata_pcmcia"
>   ProcEnviron:
>    PATH=(custom, no user)
>    LANG=es_ES.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic
> root=UUID=14bf614b-b608-4d79-a857-cb7efdbabbfd ro quiet splash vt.handoff=7
>   ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
>   PulseSinks:
>    Error: command ['pacmd', 'list-sinks'] failed with exit code 1: Home
> directory /home/jesus not ours.
>    No PulseAudio daemon running, or not running as session daemon.
>   PulseSources:
>    Error: command ['pacmd', 'list-sources'] failed with exit code 1: Home
> directory /home/jesus not ours.
>    No PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-3.0.0-16-generic N/A
>    linux-backports-modules-3.0.0-16-generic N/A
>    linux-firmware 1.60
>   StagingDrivers: mei
>   Tags: oneiric staging
>   Uname: Linux 3.0.0-16-generic x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups:
>
>   dmi.bios.date: 03/09/2011
>   dmi.bios.vendor: Hewlett-Packard
>   dmi.bios.version: 68CVD Ver. F.0F
>   dmi.board.name: 1521
>   dmi.board.vendor: Hewlett-Packard
>   dmi.board.version: KBC Version 32.33
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Hewlett-Packard
>   dmi.modalias:
> dmi:bvnHewlett-Packard:bvr68CVDVer.F.0F:bd03/09/2011:svnHewlett-Packard:pnHPEliteBook8540w:pvr:rvnHewlett-Packard:rn1521:rvrKBCVersion32.33:cvnHewlett-Packard:ct10:cvr:
>   dmi.product.name: HP EliteBook 8540w
>   dmi.sys.vendor: Hewlett-Packard
>
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>