Index: src/libcfa/concurrency/preemption.c
===================================================================
--- src/libcfa/concurrency/preemption.c	(revision b3048d49aeb2ea2dd5d01939e5b683c1307b07d1)
+++ src/libcfa/concurrency/preemption.c	(revision 15d248e27c5fb45d6ac85cab858683e7c488940f)
@@ -300,4 +300,6 @@
 	// Check if it is safe to preempt here
 	if( !preemption_ready() ) { return; }
+
+	// __cfaabi_dbg_print_buffer_decl(" KERNEL: preempting core %p (%p).\n", this_processor, this_thread);
 
 	preemption_in_progress = true;                      // Sync flag : prevent recursive calls to the signal handler