I've reinstalled the Reiner SCT driver and started the pcscd daemon in foreground mode. This is the error message of pcscd: 00000068 readerfactory.c:847:RFReaderInfoById() RefReader() count was: 1 22069136 ifdwrapper.c:477:IFDControl() Card not transacted: 612 00000015 ifdwrapper.c:479:IFDControl() ControlCode: 0x42000DCC BytesReturned: 0 00000027 ifdwrapper.c:364:IFDStatusICC() Card not transacted: 612 00000014 eventhandler.c:334:EHStatusHandlerThread() Error communicating to: REINER SCT cyberJack RFID standard (0810057893) 00 00 00000137 TxBuffer 02 18 03 03 15 7F 4C 12 06 09 04 00 7F 00 07 03 01 02 02 53 05 00 01 00 99 04 00 FE 02 30 82 02 FA 06 0A 04 00 7 In the syslog Jan 24 11:48:39 alexander-Aspire-SW5-171 pcscd13666: RSCT: No USB context.}n*** Error in `/usr/sbin/pcscd': free(): corrupted unsorted chunks: 0x000055c0bce40a40 *** Jan 24 11:48:39 alexander-Aspire-SW5-171 systemd1: pcscd.service: Main process exited, code=killed, status=6/ABRT Jan 24 11:48:39 alexander-Aspire-SW5-171 systemd1: pcscd.service: Unit entered failed state. Jan 24 11:48:39 alexander-Aspire-SW5-171 systemd1: pcscd.service: Failed with result 'signal'.