[Fingerforce-devel] Bug#633633: Bug#633633: libpam-fprint: enroll fails with error -22

[Luca Capello]

Hi there!

On Thu, 14 Jul 2011 18:07:57 +0200, Michele Cane wrote:
> On Tue, Jul 12, 2011 at 1:18 PM, Michele Cane <michele.cane at gmail.com> wrote:
>> Package: libpam-fprint
>> Version: 20080330+git-5

This version seems to be the last one available from upstream, even in
the Git repository:

  <http://www.freedesktop.org/wiki/Software/fprint/pam_fprint>
  <http://people.freedesktop.org/~hadess/>
  <https://github.com/dsd/pam_fprint>

>> On my ThinkPad w520 when I try to enroll fingerprints i have the following
>> message:
>>
>> "enroll failed with error -22"
>>
>> fprint-demo works fine.
[...]
> I forgot to add the output of lsusb for the fingerprint reader model:
>
> Bus 003 Device 004: ID 147e:2016 Upek Biometric Touchchip/Touchstrip
> Fingerprint Sensor

This device hijacks the Device ID of another working one and while
upstream support is available in libfprint, it should be always
disabled:

 <http://cgit.freedesktop.org/libfprint/libfprint/commit/?id=5a1926bb416fa4e5a38fa10b9ac3da04ce9f3f72>

However, given that Michele reported that fprint-demo works fine, I
guess the problem relies in libpam-fprint which should be probably
updated WRT the latest libfrint version.

Ulises, given that I know Michele in person and he is actually willing
to make his bests to fix bugs with his new ThinkPad W520 (at least to
show his colleagues that his laptop work as well with Debian as with
Windows), feel free to ask for testing patches ;-)

Thx, bye,
Gismo / Luca
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