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"/etc/init.d/pcscd *" resp. "service pcscd *" works only at first "start".
In all other cases it just does nothing resp. starts one more pcscd.

Examples:

root@liberty:/etc# service pcscd start
root@liberty:/etc# ps -ef|grep pcscd
root      3850  1884  0 16:09 pts/10   00:00:00 /usr/sbin/pcscd

root@liberty:/etc# service pcscd start
root@liberty:/etc# ps -ef|grep pcscd
root      3850  1884  0 16:09 pts/10   00:00:01 /usr/sbin/pcscd
root      5230  1884  0 17:49 pts/10   00:00:00 /usr/sbin/pcscd

root@liberty:/etc# service pcscd stop
root@liberty:/etc# ps -ef|grep pcscd
root      3850  1884  0 16:09 pts/10   00:00:01 /usr/sbin/pcscd
root      5230  1884  0 17:49 pts/10   00:00:00 /usr/sbin/pcscd

root@liberty:/etc# /etc/init.d/pcscd stop
root@liberty:/etc# ps -ef|grep pcscd
root      3850  1884  0 16:09 pts/10   00:00:01 /usr/sbin/pcscd
root      5230  1884  0 17:49 pts/10   00:00:00 /usr/sbin/pcscd

root@liberty:/etc# service pcscd restart
 * Restarting PCSC Lite resource manager pcscd                                                                                              [ OK ] 
root@liberty:/etc# ps -ef|grep pcscd
root      3850  1884  0 16:09 pts/10   00:00:01 /usr/sbin/pcscd
root      5230  1884  0 17:49 pts/10   00:00:00 /usr/sbin/pcscd
root      5295  1884  0 17:52 pts/10   00:00:00 /usr/sbin/pcscd

###

The problem is caused by these lines in /etc/init.d/pcscd:

# create $IPCDIR with correct access rights
rm -rf $IPCDIR
mkdir $IPCDIR
chgrp pcscd $IPCDIR
chmod g+w $IPCDIR

Since PIDFILE=$IPCDIR/$NAME.pid it will be deleted by the first of these commands and
"start-stop-daemon" in /etc/init.d/pcscd using option "--pidfile $PIDFILE" can not work anymore.

Commenting the lines above makes the script work as expected (or at
least as expected by _me_).

###

Another minor problem is the line "chgrp pcscd $IPCDIR" in the init script: Group pcscd does not exist.
Creating the group myself does not change anything, neither positive nor negative -
except for the fact that the group is then set on $IPCDIR:

wolf@liberty:/run$ ls -ld pcscd
drwxr-xr-x 2 root pcscd 80 Dez 22 17:52 pcscd

wolf@liberty:/run$ ls -l pcscd
total 4
srw-rw-rw- 1 root root 0 Dez 22 17:52 pcscd.comm
-rw-r--r-- 1 root root 6 Dez 22 17:52 pcscd.pid

###

pcscd --version
pcsc-lite version 1.8.10.
Copyright (C) 1999-2002 by David Corcoran <corcoran@xxxxxxxxxxxx>.
Copyright (C) 2001-2011 by Ludovic Rousseau <ludovic.rousseau@xxxxxxx>.
Copyright (C) 2003-2004 by Damien Sauveron <sauveron@xxxxxxxx>.
Report bugs to <muscle@xxxxxxxxxxxxxxxxxxxx>.
Enabled features: Linux x86_64-pc-linux-gnu serial usb libudev usbdropdir=/usr/lib/pcsc/drivers ipcdir=/var/run/pcscd configdir=/etc/reader.conf.d

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


OS: Ubuntu 14.04 64bit
3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

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

-- 
/etc/init.d/pcscd works only at first start.
https://bugs.launchpad.net/bugs/1409081
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