Public bug reported:

$ lsb_release -rd
Description:    Ubuntu Trusty Tahr (development branch)
Release:        14.04

$ apt-cache policy pcscd
pcscd:
  Installed: 1.8.10-1ubuntu1
  Candidate: 1.8.10-1ubuntu1
  Version table:
 *** 1.8.10-1ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

The HW used is a Reiner SCT supported by the following package:

$ apt-cache policy libifd-cyberjack6
libifd-cyberjack6:
  Installed: 3.99.5final.sp03-2
  Candidate: 3.99.5final.sp03-2
  Version table:
 *** 3.99.5final.sp03-2 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

The error occures mostly when disconnecting or reconnecting the device.
Please wait a few seconds after changing conection state. I am unsure if
the deamon is stable over time when the connection state is unchanged. I
found the service missing in various scenarios. After crashing I found
the following entries in syslog:

Mar 23 14:13:51 einstein kernel: [  560.029754] pcscd[2560]: segfault at 
7f062128c248 ip 00007f062128c248 sp 00007f0620a5cee0 error 14 in 
libc-2.19.so[7f06216d3000+1bb000]
Mar 23 14:14:30 einstein kernel: [  599.765633] pcscd[2572]: segfault at 
7f7840e4f248 ip 00007f7840e4f248 sp 00007f784061fee0 error 14 in 
libc-2.19.so[7f7841296000+1bb000]

I attached the crash report from /var/crash/_usr_sbin_pcscd.0.crash.

** Affects: pcsc-lite (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1296288

Title:
  pcscd crashes when disconnecting / reconnecting USB device

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