This bug was fixed in the package libfprint -
1:1.90.2+tod1-0ubuntu1~20.04.4
---------------
libfprint (1:1.90.2+tod1-0ubuntu1~20.04.4) focal; urgency=medium
* debian/patches:
- image-device: Delay completion until deactivation (LP: #1897613)
- Support more synaptics devices PIDs (LP: #1905593)
- Ensure we properly handle references of prints galleries (LP: #1908107)
libfprint (1:1.90.2+tod1-0ubuntu1~20.04.3) focal; urgency=medium
* debian/patches (upstream cherry-picks):
- Properly handle aes3k devices, resubmitting commands.
This also needs proper commands cancellation (LP: #1897613)
- Add support for new Synaptics devices IDs (LP: #1905593)
- Fix vfs301 verification using device pointer on callbacks (LP: #1905597)
- Ensure we do not waste power for unsupported devices (LP: #1905603)
- Add identification support to synaptics driver.
It allows to unlock / log-in with any finger. (LP: #1905600)
-- Marco Trevisan (Treviño) <ma...@ubuntu.com> Mon, 14 Dec 2020
19:28:09 +0100
** Changed in: libfprint (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1897613
Title:
fprint hangs after first finger scan (fprintd-enroll) with AES3500
Status in libfprint:
Unknown
Status in libfprint package in Ubuntu:
Fix Released
Status in libfprint source package in Focal:
Fix Released
Status in libfprint source package in Groovy:
Fix Released
Bug description:
[ Impact ]
fprintd hangs after first finger scan (fprintd-enroll or g-c-c)
[ Test case ]
- Launch fprintd-enroll (or g-c-c) to start enrolling your finger
- Enrollment should continue and complete successfully
[ Regression potential ]
USB operations don't work anymore on various drivers, device might be
wrongly deactivated.
---
Hi, I don't know if this problem is related to fprintd or libfprint, but I am
happy to help debugging.
I have got an APC BIOPOD EC fingerprint reader, sporting an AuthenTec, Inc.
AES3500 TruePrint Sensor (lsusb gives 08ff:5731).
My system is:
LSB Version:
core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 18.04.4 LTS
Release: 18.04
Codename: bionic
Kernel: 4.15.0-111-generic
Installed fprintd via APT and compiled libfprint after git cloning.
I looked around in the different open issues, and I saw it is a problem
experienced by many.
It doesn't matter if I use gnome fingerprint authentication setup
Opened a bug on libfprint here
https://gitlab.freedesktop.org/libfprint/libfprint/-/issues/306
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