diff --git a/sys/kernel/descrip.c b/sys/kernel/descrip.c
index 3892f3a..f3ab65f 100644
--- a/sys/kernel/descrip.c
+++ b/sys/kernel/descrip.c
@@ -48,6 +48,8 @@
     return (-1);
   }
 
+    kprintf("CMD: %i", uap->cmd);
+
   fp = (struct file*) td->o_files[uap->fd];
 
   switch (uap->cmd) {