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;
+	}
+}