@Angel
> (process:3360): libfprint-poll-CRITICAL **: 20:49:10.548:
fpi_timeout_add: assertion 'fpi_poll_is_setup()' failed
It appears that you have libfprint with a bug that's been fixed some
time ago. It looks like an unstable version could've appeared in repos
due to misunderstanding of some so
@Ares
0.8.3 is not in the Ubuntu package repos yet so the only way is to
install from source https://gitlab.freedesktop.org/libfprint/libfprint
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T
linfprint 0.8.3 will have Elan driver. Once it's out, check your repos.
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Title:
[04f3:0903] Elan Microelectronics Corp fingerprint reader not
r
@John
Thank you very much for your investigation! A shame that you can't get a
match on your reader. The good news is that the fix for 0903 seems to
work and I can merge it into main branch. As for why it doesn't match,
according to logs, you aren't getting enough minutiae and the image is
too sma
I've changed the order of commands a bit and it may fix the 0903 lock-up issue.
It's still a shot in the dark though. If anyone is willing to test (run enroll
a few times in a row to see) I'd appreciate it. Thanks!
https://github.com/iafilatov/libfprint/tree/elan-try-fix-0903
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It is planned. In fact, it is under way. But I need to find time to
prepare for merging and I keep failing at this...
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Title:
[04f3:0903] Elan Mi
fprint_demo could require root if you ran it or examples/enroll as root
before. The log seems to indicate the 0903 bug. Try reboot or cold boot.
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@Louis
Does fprint_demo work right after fprintd-enroll fails? If not, it's the
0903 bug.
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Title:
[04f3:0903] Elan Microelectronics Corp fingerp
@Jeroen
04f3:2335 is the touchscreen. I found full lsusb output at
https://wiki.archlinux.org/index.php/Dell_Latitude_7370#lsusb and I
don't know which of those is fingerprint reader, if any.
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@Matt
Thanks for your input!
25a1 is not is the list of supported models so I'm pretty sure the driver
wouldn't pick it up without modification. It only recognizes 0903, 0907 and
0c01-0c33. Are you sure it's not something else, maybe touchpad? What does
lsusb | grep 04f3 show? Could you please
@Jose
Try libnss3-dev. I don't have the exact package names for libfprint and there
isn't one provided because they could change from one distro to another, some
people prefer to compile deps from source etc. The usual way to go is run
./configure (or autogen.sh) fixing each error one-by-one til
@Luca
There's a problem with 0903 that for many people it locks up during enroll. It
seems to happen pretty some people but I don't know why and can't diagnose
because I don't own this model. All I see in logs is that it stops responding
while waiting for an image... and doesn't recover until yo
@Jose
Normally when configure says it can't find package foo, you need foo-dev
(headers). Try installing libusb-dev.
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Title:
[04f3:0903] Elan Mi
@Mihai
To use login with fingerprint you need to install libpam-frpintd package. But
first make sure you can enroll and verify reasonably well using fprint_demo
(package called fprint-demo).
@Jose
You need pkg-config. I.e. apt install pkg-config or whatever works for your
distro.
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@Aless
Thanks for testing!
> Hey, I just tried again after I pulled the new upstream
The log doesn't look like it's from from the latest. Sorry, stupid
question: did you rebuild after pulling? Not that it would fix the busy
problem (I'd be surprised if it did). Unfortunately...
> it never succe
@Mihai That reader should be recognized. See
https://bugs.launchpad.net/ubuntu/+source/libfprint/+bug/1641290/comments/54
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Title:
[04f3:0903] Ela
@Mustafa this is probably unrelated but I think you're pressing, not
swiping. Img height too low, plus too little minutiae:
assembling:debug [fpi_assemble_frames] height is -131
fp:debug [fpi_img_new] length=26064
fp:debug [fpi_imgdev_image_captured]
fp:debug [fpi_img_detect_minutiae] minutiae sc
Unfortunately I have no idea right now what could could cause the reader
to get stuck like that... Does it recover eventually or after a reboot?
If it does, could you please record the entire log including a
successful enrollment and a timeout afterwards?
As for fprint_demo, for me it needs to run
I've added some fixes to frame assembling code (bugs found and fixed by
Timur Celik (clktmr), hope he sumbits the patch upstream). They they can
improve stitching for your Elan scanner a little or a lot, depending on
the direction in which you swipe (which can differ even on identical
readers depen
@Aless
Thank you! It's hard to tell just from the logs but it looks like you
don't move your finger enough during swipe. Did you just hold in on the
reader till it said "please try again"? Does enrolled.pgm look like a
stripe from a fingerprint image? You need to swipe all the way to finger
tip an
@Pauline Essentially, you need to produce a scan that's similar to one
of the enrolled scans. In my experience, one of the best things you can
do to improve recognition is to move your finger in a straight line.
Don't bend your finger until the last moment when you need to scan the
finger tip. Try
@mirek If the device is not recognized, there's nothing libfprint can
do. You can maybe try a more recent kernel. See
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1700657 for a
similar bug
@Mustafa You have 0x0903 reader which should work (more or less) but the
problem is it doesn't respon
@mirek libfprint only handles usb devices, not i2c. If there's nothing
in lsusb (could you post the output btw?), libfprint won't work.
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Title:
[
The driver now supports 0x0903, 0x0907 and 0x0c01 through 0x0c33.
Looking for volunteers to try it out :)
git clone https://github.com/iafilatov/libfprint
cd libfprint
./autogen.sh
make
examples/img_capture # capture an image as finger.pgm
examples/enroll # enroll your print
examples/verify
@SN The integration with PAM and and other flows that require auth is
indeed lacking in some places. For. ex. with gdm/mdm login does fall
back to password but even if you log in with fp, you need to enter the
password later to unlock your keyring, so... And if your home is
encrypted, you can't log
@SN Fprint mailing list has been quite active recently
https://lists.freedesktop.org/archives/fprint/2018-January/thread.html
The main branch has an earlier version of the driver that only supports
0907. I don't think it would be wise to merge the rest just yet because
it's still not so good with
@Timur Hm, stitching artifacts do produce false minutiae but it
shouldn't be that many and they shouldn't be similar. Do you mind
sending me some example images?
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@SN It should work after you install libpam-fprintd and enroll with
fprintd-enroll.
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Title:
[04f3:0903] Elan Microelectronics Corp fingerprint re
I'm the author of the driver for elan. The algorithm which libfprint
uses to match fingerprints doesn't like small images like the ones these
drivers produce. There's just not enough minutiae (recognizable print-
specific points) on them for a reliable match. This means that unless
another matching
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