Index: kernel/arch/sparc64/src/mm/sun4u/tlb.c
===================================================================
--- kernel/arch/sparc64/src/mm/sun4u/tlb.c	(revision da52547b3a8fc0b23125d3adbd5622075264ee53)
+++ kernel/arch/sparc64/src/mm/sun4u/tlb.c	(revision b539f54db74c6cc40c2db8aff16598ca0210cf86)
@@ -259,5 +259,5 @@
 			/* NULL access in kernel */
 			do_fast_data_access_mmu_miss_fault(istate, tag,
-			    "Dereferencing NULL pointer");
+			    "Dereferencing NULL pointer.");
 		} else if (page_8k >= end_of_identity) {
 			/*
@@ -442,5 +442,5 @@
 {
 	fault_if_from_uspace(istate, "%s, Address=%p.", str, va);
-	panic_memtrap(istate, PF_ACCESS_EXEC, va, "%s.", str);
+	panic_memtrap(istate, PF_ACCESS_EXEC, va, str);
 }
 
@@ -453,5 +453,5 @@
 	fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va,
 	    tag.context);
-	panic_memtrap(istate, PF_ACCESS_READ, va, "%s.", str);
+	panic_memtrap(istate, PF_ACCESS_UNKNOWN, va, str);
 }
 
@@ -464,5 +464,5 @@
 	fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va,
 	    tag.context);
-	panic_memtrap(istate, PF_ACCESS_WRITE, va, "%s.", str);
+	panic_memtrap(istate, PF_ACCESS_WRITE, va, str);
 }
 
Index: kernel/arch/sparc64/src/mm/sun4v/tlb.c
===================================================================
--- kernel/arch/sparc64/src/mm/sun4v/tlb.c	(revision da52547b3a8fc0b23125d3adbd5622075264ee53)
+++ kernel/arch/sparc64/src/mm/sun4v/tlb.c	(revision b539f54db74c6cc40c2db8aff16598ca0210cf86)
@@ -359,5 +359,5 @@
 {
 	fault_if_from_uspace(istate, "%s, Address=%p.", str, va);
-	panic_memtrap(istate, PF_ACCESS_EXEC, va, "%s.", str);
+	panic_memtrap(istate, PF_ACCESS_EXEC, va, str);
 }
 
@@ -367,6 +367,6 @@
 	fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str,
 	    DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
-	panic_memtrap(istate, PF_ACCESS_READ, DMISS_ADDRESS(page_and_ctx),
-	    "%s.");
+	panic_memtrap(istate, PF_ACCESS_UNKNOWN, DMISS_ADDRESS(page_and_ctx),
+	    str);
 }
 
@@ -377,5 +377,5 @@
 	    DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
 	panic_memtrap(istate, PF_ACCESS_WRITE, DMISS_ADDRESS(page_and_ctx),
-	    "%s.");
+	    str);
 }