Fingerprint GUI

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Conflict at lock screen? Screen is blinking, lot written to log

Running Ubuntu MATE 16.04
Small sample from log:

May  6 16:27:41 ThinkPad-T440p wpa_supplicant[1208]: wlp4s0: WPA: Group rekeying completed with 00:1f:f3:c1:41:ae [GTK=CCMP]
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Got "debug" argument.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Pam_sm_authenticate was called with flags 0x8000 (UNKNOWN+PAM_SILENT).
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Got no PAM_RHOST.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Got no SSH_CONNECTION.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Have no PAM_AUTHTOK.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: PAM_SERVICE: sudo.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Have DISPLAY :0 from getenv.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Have now XDisplay: ":0" and XAuth: "/home/fester/.Xauthority".
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Have PAM username "fester".
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Parent PID: 15470.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Child (helper) PID: 15471.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: Wrote random string to fifo.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15470]: running not OPENPAM.
May  6 16:35:28 ThinkPad-T440p pam_fingerprint-gui[15471]: Running helper process with UID 1000.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Got "debug" argument.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Have username fester.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Started.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg0: fingerprint-helper.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg1: 10.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg2: 11.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg3: :0.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg4: sudo.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg5: -d.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg6: -user.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg7: fester.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg8: dUmMy4.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Arg9: dUmMy5.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Have pipe_r 10 and pipe_w 11.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Have display=:0, XAUTHORITY=/home/fester/.Xauthority.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Wrote pidfile /tmp/fingerprint-helper.pid.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Proprietary lib "libbsapi.so.4.3" loaded.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Libfprint initialized.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Libbsapi initialized.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Devices initialized.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: Found USB device: unknown vendor/unknown device.
May  6 16:35:28 ThinkPad-T440p fingerprint-helper[15471]: message repeated 8 times: [ Found USB device: unknown vendor/unknown device.]
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: No devices found by libbsapi.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: initializing libfprint device (vend/prod) 0x138a/0x17, driver: vfs5011
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Added vfs5011.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Current device set to 0 -- vfs5011.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Discovered device: vfs5011.
May  6 16:35:29 ThinkPad-T440p kernel: [186765.760264] usb 2-7: reset full-speed USB device number 3 using xhci_hcd
May  6 16:35:29 ThinkPad-T440p kernel: [186765.760264] usb 2-7: reset full-speed USB device number 3 using xhci_hcd
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Device can identify.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Authenticating USER: fester
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Looking for fingerprints for user fester with device vfs5011.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Parent PID: 15471.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Child PID: 15478.
May  6 16:35:29 ThinkPad-T440p pkexec: pam_unix(polkit-1:session): session opened for user root by fester(uid=1000)
May  6 16:35:29 ThinkPad-T440p pkexec: pam_systemd(polkit-1:session): Cannot create session: Already running in a session
May  6 16:35:29 ThinkPad-T440p pkexec[15478]: fester: Executing command [USER=root] [TTY=/dev/pts/7] [CWD=/home/fester] [COMMAND=/usr/lib/fingerprint-gui/fingerprint-rw-read -user fester -driver vfs5011 -file 6.bir -d]
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: Got "debug" argument.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: Called as /usr/lib/fingerprint-gui/fingerprint-rw-read.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: Have user:fester, driver:vfs5011, filename:6.bir.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/ owned by root.root.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/ has mode 40755.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/fester is owned by root.root with mode 40755.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/fester/vfs5011 is owned by root.root with mode 40755.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: File /var/lib/fingerprint-gui/fester/vfs5011/6.bir is owned by root.root.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/fester/vfs5011/6.bir has mode "600" -- OK.
May  6 16:35:29 ThinkPad-T440p fingerprint-rw[15478]: /var/lib/fingerprint-gui/fester/vfs5011/6.bir OK.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Reading /tmp/read-6.bir (12050 byte).
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Adding fester -- Right Index.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Have 1 fingerprints for fester.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Identifying all discovered fingerprints from fester.
May  6 16:35:29 ThinkPad-T440p fingerprint-helper[15471]: Have X-display :0. Starting GUI authentication.
May  6 16:35:30 ThinkPad-T440p fingerprint-helper[15471]: CinnamonFix: screen 0; left: 0; top: 0; width: 1920; height: 1080
May  6 16:35:30 ThinkPad-T440p fingerprint-helper[15471]: CinnamonFix: rootWindow 716
May  6 16:35:30 ThinkPad-T440p kernel: [186766.920141] usb 2-7: reset full-speed USB device number 3 using xhci_hcd
May  6 16:35:30 ThinkPad-T440p kernel: [186766.920141] usb 2-7: reset full-speed USB device number 3 using xhci_hcd
May  6 16:35:30 ThinkPad-T440p fingerprint-helper[15471]: CinnamonFix: No screensaver window
May  6 16:35:30 ThinkPad-T440p fingerprint-helper[15471]: Message: Authenticating fester
May  6 16:35:30 ThinkPad-T440p fingerprint-helper[15471]: Starting identify.
May  6 16:35:31 ThinkPad-T440p kernel: [186767.602358] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:31 ThinkPad-T440p kernel: [186767.602358] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:35 ThinkPad-T440p kernel: [186771.939981] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:35 ThinkPad-T440p kernel: [186772.010914] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:35 ThinkPad-T440p kernel: [186771.939981] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:35 ThinkPad-T440p kernel: [186772.010914] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 4 with no TDs queued?
May  6 16:35:35 ThinkPad-T440p fingerprint-helper[15471]: Identify: have image.
May  6 16:35:35 ThinkPad-T440p fingerprint-helper[15471]: FP_DEV_CLOSE.
May  6 16:35:35 ThinkPad-T440p fingerprint-helper[15471]: Match result 0.
May  6 16:35:35 ThinkPad-T440p fingerprint-helper[15471]: Thread ended normally.
May  6 16:35:35 ThinkPad-T440p fingerprint-helper[15471]: Message: OK
May  6 16:35:36 ThinkPad-T440p fingerprint-helper[15471]: Devices released.
May  6 16:35:36 ThinkPad-T440p fingerprint-helper[15471]: /var/lib/fingerprint-gui/fester/config.xml doesn't exist.
May  6 16:35:36 ThinkPad-T440p fingerprint-helper[15471]: Have no password from external media.
May  6 16:35:36 ThinkPad-T440p fingerprint-helper[15471]: Using libfakekey to exit PAM conversation.
May  6 16:35:36 ThinkPad-T440p fingerprint-helper[15471]: Fingerprint recognized, EXIT_SUCCESS.
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: Prompting password returned PAM_SUCCESS.
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: User authenticated by fingerprint without password.
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: Checking for encrypted homedir "/home/fester".
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: File "/home/fester/README.txt" doesn't exist; assuming not encrypted or already mounted.
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: pam_set_data: fester.
May  6 16:35:36 ThinkPad-T440p pam_fingerprint-gui[15470]: Return 0 (PAM_SUCCESS).
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May 6th, 2016 7:20pm
After posting the above my system reports available update, I install and reboot and right now this problem is fixed.
See
http://www.ubuntuupdates.org/package/core/xenial/main/updates/linux-headers-4.4.0-22
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May 7th, 2016 1:26am

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