Description
FPC HAL fails to read the user database for fingerprints.
Symptoms
Can't authenticate using already enrolled fingerprints
Can't enroll new fingerprints
Can't remove fingerprints
How to reproduce
If this is the first boot after a fully wipe, then fpc will work then, so you can enroll some fingerprints.
After that, reboot, and the issue shall appear.
In logcat, an error will show up about being unable to read user database:
02-12 19:25:33.414 7077 7077 E AOSP FPC HAL: Error loading user database: -6
Platform: loire Device: suzu, kugo Kernel version: 6.4, 5.7 Android version: 8.1, 8.0
Description FPC HAL fails to read the user database for fingerprints.
Symptoms Can't authenticate using already enrolled fingerprints Can't enroll new fingerprints Can't remove fingerprints
How to reproduce If this is the first boot after a fully wipe, then fpc will work then, so you can enroll some fingerprints. After that, reboot, and the issue shall appear. In logcat, an error will show up about being unable to read user database: