fprint: GKSU and GDM aren't asking to swipe the finger over the reader

Bug #347778 reported by Maui Muc on 2009-03-24
This bug affects 10 people
Affects Status Importance Assigned to Milestone
gksu (Ubuntu)
pam-fprint (Ubuntu)

Bug Description

Jaunty Jackalope Alpha 6

After telling GDM the username an pressing return,GDM doesn't ask to swipe the finger over the fingerprint reader.
GKSU is affected too. When an application wants to get su-privileges GKSU doesn't appear, it is invisible waiting for swiping the finger without asking.

T.O.D. (linuxuser-sky) wrote :


Javier Jardón (jjardon) on 2009-04-05
Changed in pam-fprint (Ubuntu):
status: New → Confirmed
A. Meschede (ameschede-freenet) wrote :

I have the same problem with DailyBuild April 14th on my Dell XPS M1330.

fprint does not ask to swipe fingers, neither at login nor at superuser actions.
thinkfinger seems to be unsupported and outdated.

I guess it may be to late to solve this Issue before RC / Final comes out :-(

this is really annoying! expect for this behaviour, fprint is really nice!
hope this will be fixed soon.

I confirm this behavior in the Jaunty release. Any chance it gets fixed?

jonas (jonas-zierer) wrote :

yeah, doesn't work with Jaunty 64bit

Henneyng (henneyng) wrote :

The bug exists still in the new karmic release - fprint works fine with gdm, screen-locking and in the terminal, but gksu does not give any message, that you should swipe the finger. However, if I swipe my finger, the command is executed as root.

Starting gksu in a terminal it prints the message on a terminal, but no graphical message.

Noel J. Bergman (noeljb) wrote :

The bug still exists in Lucid, as well. And exists in Fedora 11. If you look at the tabs for active windows, you should see a "Starting Administrative ...", but it won't pop-up.

This might be related to the problem described on ThinkWiki at http://www.thinkwiki.org/wiki/How_to_enable_the_fingerprint_reader_with_ThinkFinger#GNOME, but I haven't yet looked at the current code. The prompt, when authenticating on the console, is "Scan right index finger on UPEK TouchStrip."

Noel J. Bergman (noeljb) wrote :

To be clearer, on Lucid and Fedora, the problem is with administrative programs, not the GDM login.

Noel J. Bergman (noeljb) wrote :

See also: http://www.backports.ubuntuforums.org/showthread.php?t=760018 and http://ubuntuforums.org/showthread.php?t=622843

Lots of confirmation about the lack of visual prompt ... I suppose that people haven't noticed the Window List entry for the prompt window, which isn't otherwise presented.

As best I understand it, the problem is with gksu(do).

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gksu (Ubuntu):
status: New → Confirmed
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