*** This bug is a duplicate of bug 1878285 ***
https://bugs.launchpad.net/bugs/1878285
** This bug has been marked a duplicate of bug 1878285
gnome-control-center crashes on setting up fingerprint
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Packages, which is subscribed to libfprint in Ubuntu.
https://bugs.launchpad.net/bugs/1878172
Title:
FUJITSU LIFEBOOK U748: 138a:0050 Validity Sensors not working
Status in libfprint package in Ubuntu:
Fix Committed
Bug description:
Fingerprint* not working after upgrade from 19.10 to 20.04
uname -r
5.4.0-29-generic
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
dpkg --list |grep "^ii" | grep fingerprint|cut -d" " -f3
fprintd
libchromaprint1:amd64
libfprint-2-2:amd64
libfprint-2-tod1:amd64
libofa0:amd64
libpam-fprintd:amd64
When running systemctl status fprintd.service is degraded.
After restarting fprintd.service, it is again degraded as soon as e.g.
fprintd-enroll is started:
fprintd-enroll samuel
Using device /net/reactivated/Fprint/Device/0
failed to claim device: Message recipient disconnected from message bus
without replying
fprintd-delete samuel
found 1 devices
Device at /net/reactivated/Fprint/Device/0
Using device /net/reactivated/Fprint/Device/0
failed to claim device: Message recipient disconnected from message bus
without replying
tail -f /var/log/syslog
May 12 11:19:14 laptop dbus-daemon[1077]: [system] Activating via systemd:
service name='net.reactivated.Fprint' unit='fprintd.service' requested by
':1.220' (uid=1000 pid=6766 comm="fprintd-enroll samuel " label="unconfined")
May 12 11:19:14 laptop systemd[1]: Starting Fingerprint Authentication
Daemon...
May 12 11:19:15 laptop dbus-daemon[1077]: [system] Successfully activated
service 'net.reactivated.Fprint'
May 12 11:19:15 laptop systemd[1]: Started Fingerprint Authentication Daemon.
May 12 11:19:15 laptop fprintd[6767]: free(): invalid pointer
May 12 11:19:15 laptop systemd[1]: fprintd.service: Main process exited,
code=dumped, status=6/ABRT
May 12 11:19:15 laptop systemd[1]: fprintd.service: Failed with result
'core-dump'.
Before upgrade to 20.04 everything worked.
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