diff --git a/src/cpu/minor/dyn_inst.cc b/src/cpu/minor/dyn_inst.cc
index 68415ecd09..6ff5ed6b5e 100644
--- a/src/cpu/minor/dyn_inst.cc
+++ b/src/cpu/minor/dyn_inst.cc
@@ -112,6 +112,11 @@ MinorDynInst::reportData(std::ostream &os) const
 std::ostream &
 operator <<(std::ostream &os, const MinorDynInst &inst)
 {
+    if (!inst.pc) {
+        os << inst.id << " pc: 0x???????? (bubble)";
+        return os;
+    }
+
     os << inst.id << " pc: 0x"
         << std::hex << inst.pc->instAddr() << std::dec << " (";
 
@@ -169,7 +174,7 @@ MinorDynInst::minorTraceInst(const Named &named_object) const
 {
     if (isFault()) {
         minorInst(named_object, "id=F;%s addr=0x%x fault=\"%s\"\n",
-            id, pc->instAddr(), fault->name());
+            id, pc ? pc->instAddr() : 0, fault->name());
     } else {
         unsigned int num_src_regs = staticInst->numSrcRegs();
         unsigned int num_dest_regs = staticInst->numDestRegs();
@@ -209,7 +214,7 @@ MinorDynInst::minorTraceInst(const Named &named_object) const
 
         minorInst(named_object, "id=%s addr=0x%x inst=\"%s\" class=%s"
             " flags=\"%s\"%s%s\n",
-            id, pc->instAddr(),
+            id, pc ? pc->instAddr() : 0,
             (staticInst->opClass() == No_OpClass ?
                 "(invalid)" : staticInst->disassemble(0,NULL)),
             enums::OpClassStrings[staticInst->opClass()],