When I initially installed Ubuntu 20.04 on my ThinkPad X1 Carbon (8th gen.), I was impressed by the fact that Ubuntu is now natively supporting fingerprint login using
libfprint. I could set my fingerprint very easily in Settings > Users and use it for most of usages.
However, for quite some time, I have noticed that this stopped working (for no particular reason).
To investigate on this, I first used
hw-probe to confirm this, and it showed
usb:06cb-00bd;ff-00-00;failed;fingerprint reader;;Synaptics, Inc.;
That was quite disturbing. So I ran
lsusb, and it showed:
Bus 001 Device 005: ID 06cb:00bd Synaptics, Inc.
That did not help either because
06cb:00bd belongs to the list of supported devices of the