Index: kernel/arch/sparc64/src/cpu/cpu.c
===================================================================
--- kernel/arch/sparc64/src/cpu/cpu.c	(revision 84060e23a3929fe446d82fec66852a1a6deaf4c7)
+++ kernel/arch/sparc64/src/cpu/cpu.c	(revision 9ab9c2ec85cf371e50f3b815722f6586f78add5b)
@@ -93,4 +93,9 @@
 	}
 
+	/*
+	 * Set the D-cache active flag.
+	 * Needed for the D-cache to work.
+	 */
+	CPU->arch.dcache_active = 1;
 }