diff -upr linux-3.12.orig/kernel/printk/printk.c linux-3.12/kernel/printk/printk.c
--- linux-3.12.orig/kernel/printk/printk.c	2013-11-03 21:41:51.000000000 -0200
+++ linux-3.12/kernel/printk/printk.c	2014-01-04 15:35:27.854329503 -0200
@@ -59,7 +59,7 @@
 
 /* We show everything that is MORE important than this.. */
 #define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */
-#define DEFAULT_CONSOLE_LOGLEVEL 7 /* anything MORE serious than KERN_DEBUG */
+#define DEFAULT_CONSOLE_LOGLEVEL 4 /* anything MORE serious than KERN_WARNING */
 
 int console_printk[4] = {
 	DEFAULT_CONSOLE_LOGLEVEL,	/* console_loglevel */