diff -bpur qingy-1.0.0.orig//src/libraries/session.c qingy-1.0.0.prod//src/libraries/session.c
--- qingy-1.0.0.orig//src/libraries/session.c	2010-12-07 22:44:41.000000000 +0900
+++ qingy-1.0.0.prod//src/libraries/session.c	2011-07-06 17:11:48.344527802 +0900
@@ -440,8 +440,6 @@ int check_password(char *username, char
   char *password;
 #ifdef USE_PAM
   int retcode;
-  char *ttyname;
-  char *short_ttyname;
 #else
   char*  correct;
 #ifdef HAVE_LIBCRYPT
@@ -468,30 +466,14 @@ int check_password(char *username, char
 	}
   
 #ifdef USE_PAM
+  /* Setup of PAM_TTY have been moved to new func set_pam_tty_to_current_tty(). */
+  /* Because current vt is not the vt that going to run session actual in mostly cases. */
   PAM_password = (char *)password;
-  ttyname = create_tty_name(get_active_tty());
-  if ((short_ttyname = strrchr(ttyname, '/')) != NULL)
-	if (*(++short_ttyname) == '\0') short_ttyname = NULL;
   if (pam_start("qingy", username, &PAM_conversation, &pamh) != PAM_SUCCESS)
 	{
 		LogEvent(pw, PAM_FAILURE);
 		return 0;
 	}
-	if (!short_ttyname)
-		retcode = pam_set_item(pamh, PAM_TTY, ttyname);
-	else
-	{
-		retcode = pam_set_item(pamh, PAM_TTY, short_ttyname);
-		if (retcode != PAM_SUCCESS)
-			retcode = pam_set_item(pamh, PAM_TTY, ttyname);
-	}
-  if (retcode != PAM_SUCCESS)
-	{
-		pam_end(pamh, retcode);
-		pamh = NULL;
-		LogEvent(pw, PAM_FAILURE);
-		return 0;
-	}
   if ((retcode = pam_set_item(pamh, PAM_RHOST, "")) != PAM_SUCCESS)
 	{
 		pam_end(pamh, retcode);
@@ -556,6 +538,40 @@ int check_password(char *username, char
 #endif /* End of USE_PAM */
 }
 
+#ifdef USE_PAM
+int autologin_pam_start (char *username)
+{
+	struct passwd *pw;
+
+	int retcode;
+	
+	pw = getpwnam(username);
+	endpwent();
+	if (!pw)
+	{
+		struct passwd pwd;
+      
+		pwd.pw_name = username;
+		LogEvent(&pwd, UNKNOWN_USER);
+		return 0;
+	}
+	if (pam_start("qingy", username, &PAM_conversation, &pamh) != PAM_SUCCESS)
+	{
+		return 0;
+	}
+	if ((retcode = pam_set_item(pamh, PAM_RHOST, "")) != PAM_SUCCESS)
+	{
+		pam_end(pamh, retcode);
+		pamh = NULL;
+		LogEvent(pw, PAM_FAILURE);
+		return 0;
+	}
+	free (infostr); free (errstr);
+	
+	return 1;
+}
+#endif
+
 static char *shell_base_name(char *name)
 {
   char *base = name;
@@ -795,6 +811,66 @@ void remove_utmp_entry(void)
 	endutent ();
 }
 
+#ifdef USE_PAM
+/* Setting up PAM_TTY. */
+/* and CKCON_X11_DISPLAY_DEVICE for graphical session. */
+/* x_display == -1 means text session. */
+int set_pam_tty_to_current_tty(int cur_tty, int x_display)
+{
+	int retcode;
+	char *tty_for_pam;
+	char *short_tty_for_pam;
+	char *x11_display;
+	char *x11_display_device;
+	
+	tty_for_pam = create_tty_name(cur_tty);
+	if ((short_tty_for_pam = strrchr(tty_for_pam, '/')) != NULL)
+		if (*(++short_tty_for_pam) == '\0') short_tty_for_pam = NULL;
+
+	if ( x_display == -1 ) /* session is text session. */
+	{
+		if (!short_tty_for_pam)
+		{
+			retcode = pam_set_item(pamh, PAM_TTY, tty_for_pam);
+		}
+		else
+		{
+			retcode = pam_set_item(pamh, PAM_TTY, short_tty_for_pam);
+			if (retcode != PAM_SUCCESS)
+			{
+				retcode = pam_set_item(pamh, PAM_TTY, tty_for_pam);
+			}
+		}
+		if (retcode != PAM_SUCCESS)
+		{
+			WRITELOG (ERROR, "Something wrong with setting PAM_TTY to %s\n", tty_for_pam);
+			return 0;
+		}
+	}
+	else /* session is graphical. */
+	{
+		x11_display = StrApp ((char **)NULL, ":", int_to_str(x_display), (char*)NULL);
+		retcode = pam_set_item (pamh, PAM_TTY, x11_display);
+		if (retcode != PAM_SUCCESS)
+		{
+			WRITELOG (ERROR, "Something wrong with setting PAM_TTY to %s\n", x11_display);
+			return 0;
+		}
+		x11_display_device = StrApp ((char**)NULL, "CKCON_X11_DISPLAY_DEVICE=", tty_for_pam, (char*)NULL);
+		pam_putenv (pamh, x11_display_device);
+		if (retcode != PAM_SUCCESS)
+		{
+			writelog (ERROR, "Setting CKCON_X11_DISPLAY_DEVICE failed.\n");
+			return 0;
+		}
+		
+	}
+	free (infostr); free (errstr);
+
+	return 1;
+}
+#endif
+
 void Text_Login(struct passwd *pw, char *session, char *username)
 {
   pid_t proc_id;
@@ -824,6 +900,12 @@ void Text_Login(struct passwd *pw, char
 			WRITELOG(DEBUG, "Starting text session with argument #%d: %s\n", i, args[i]);
 
 #ifdef USE_PAM
+	/* We set PAM_TTY to current_vt. */
+	/* This is important for DirectFB GUI login screen. */
+	/* DirectFB runs on unused tty. */
+	/* But that tty is not the tty which we are going to start session for. */
+	if(!set_pam_tty_to_current_tty(current_vt, -1))
+	  writelog (ERROR, "Something wrong with pam_tty_set_to_current_tty(). But we keep going.\n");
 		pam_open_session(pamh, 0);
 #else
 		LogEvent(pw, OPEN_SESSION);
@@ -1016,7 +1098,12 @@ void Graph_Login(struct passwd *pw, char
   free(vt);
 
 #ifdef USE_PAM
+  /* At graphical session, PAM_TTY is set to $DISPLAY. */
+  /* and CKCON_X11_DISPLAY_DEVICE(needed by pam_ck_connector.so) is set to proper tty. */
+  if(!set_pam_tty_to_current_tty(x_vt, x_offset))
+	  writelog (ERROR, "Something wrong with setting PAM_TTY and CKCON_X11_DISPLAY_DEVICE. But we keep going.\n");
 		pam_open_session(pamh, 0);
+  pam_putenv(pamh, "CKCON_X11_DISPLAY_DEVICE");
 #else
 		LogEvent(pw, OPEN_SESSION);
 #endif
diff -bpur qingy-1.0.0.orig//src/libraries/session.h qingy-1.0.0.prod//src/libraries/session.h
--- qingy-1.0.0.orig//src/libraries/session.h	2008-07-09 00:04:45.000000000 +0900
+++ qingy-1.0.0.prod//src/libraries/session.h	2011-07-06 16:26:12.035736415 +0900
@@ -41,3 +41,6 @@ void start_session(char *username, char
 
 /* sort sessions */
 void sort_sessions(char **sessions, int n_items);
+
+/* PAM initialization for autologin */
+int autologin_pam_start(char *username);
diff -bpur qingy-1.0.0.orig//src/main.c qingy-1.0.0.prod//src/main.c
--- qingy-1.0.0.orig//src/main.c	2008-11-26 01:04:58.000000000 +0900
+++ qingy-1.0.0.prod//src/main.c	2011-07-06 16:26:12.036736401 +0900
@@ -356,6 +356,16 @@ void start_up(int argc, char *argv[], in
 	/* return to our righteous tty */
 	set_active_tty(our_tty_number);
 
+#ifdef USE_PAM
+	/* PAM initialization for autologin. */
+	if (do_autologin)
+	{
+		if (!autologin_pam_start(username))
+			/* Keep going. */
+			writelog (ERROR, "autologin pam initialization failed.\n");
+	}
+#endif
+	
 	switch (returnstatus)
 	{
 		case EXIT_SUCCESS: