diff -up opensc-0.22.0/etc/opensc.conf.file-cache opensc-0.22.0/etc/opensc.conf

--- opensc-0.22.0/etc/opensc.conf.file-cache	2021-10-08 13:14:44.091772071 +0200

+++ opensc-0.22.0/etc/opensc.conf	2021-10-08 13:19:27.339051951 +0200

@@ -2,7 +2,7 @@ app default {

 	# debug = 3;

 	# debug_file = opensc-debug.txt;

 	framework pkcs15 {

-		# use_file_caching = true;

+		use_file_caching = true;

 	}

 	reader_driver pcsc {

 		# The pinpad is disabled by default,

@@ -10,3 +10,10 @@ app default {

 		enable_pinpad = false;

 	}

 }

+# the pkcs15-init is used for card initialization when the file caching

+# brings more trouble than use so disable that:

+app pkcs15-init {

+	framework pkcs15 {

+		use_file_caching = false;

+	}

+}