diff --git a/.github/workflows/emu.yml b/.github/workflows/emu.yml
index 326ccff73b2c0af2d4c0eace27494b52764e4869..68f7c783bd7c1261abb6fa0d573f650a5c8d9ce5 100644
--- a/.github/workflows/emu.yml
+++ b/.github/workflows/emu.yml
@@ -36,7 +36,7 @@ jobs:
               t=${test%.c}
               echo $t
               make -C $CPU_TEST_DIR ALL=$t ARCH=riscv64-noop AM_HOME=$AM_HOME NEMU_HOME=$NEMU_HOME NOOP_HOME=$NOOP_HOME run 2>/dev/null | grep "HIT GOOD TRAP"
-              if [[ $? == 1 ]];
+              if [[ $? != 0 ]];
               then
                   echo $t fail
                   ret=1
diff --git a/debug/cputest.sh b/debug/cputest.sh
index 5510d73acde11dc1fc7b94c3c5fdbb2104111d84..79e89a1edae647d155bf632f504187420014c09a 100755
--- a/debug/cputest.sh
+++ b/debug/cputest.sh
@@ -7,8 +7,8 @@ do
     t=${test%.c}
     echo -n -e "\x1b[0m $t: "
     make -C $TEST_HOME ARCH=riscv64-noop E=0 ALL=$t run 2>/dev/null | grep -E "HIT GOOD TRAP|IPC"
-    if [[ $? == 1 ]];
+    if [[ $? != 0 ]];
     then
-        echo -e "\x1b[31mfail"
+        echo -e "\x1b[31mfail: trap code $?"
     fi
 done
diff --git a/src/test/csrc/emu.h b/src/test/csrc/emu.h
index bb53c8871962f0bcbda1da407248ce7e4d47fa4e..60ec241a5ab7a9bcd6a07c6cf5c4d0ea93981bf3 100644
--- a/src/test/csrc/emu.h
+++ b/src/test/csrc/emu.h
@@ -40,9 +40,9 @@ class Emulator {
 
   enum {
     STATE_GOODTRAP = 0,
-    STATE_BADTRAP,
-    STATE_ABORT,
-    STATE_LIMIT_EXCEEDED,
+    STATE_BADTRAP = 1,
+    STATE_ABORT = 2,
+    STATE_LIMIT_EXCEEDED = 3,
     STATE_RUNNING = -1
   };
 
@@ -74,4 +74,5 @@ public:
   uint64_t get_cycles() const { return cycles; }
   EmuArgs get_args() const { return args; }
   bool is_good_trap() { return trapCode == STATE_GOODTRAP; };
+  int get_trapcode() { return trapCode; }  
 };
diff --git a/src/test/csrc/main.cpp b/src/test/csrc/main.cpp
index 1d9299ac96d2e053544d9f98eca46bf7f7eec416..a471c91f2dba3a4070a63836d0cdf11fd364148e 100644
--- a/src/test/csrc/main.cpp
+++ b/src/test/csrc/main.cpp
@@ -21,6 +21,7 @@ int main(int argc, const char** argv) {
   auto args = emu->get_args();
   uint64_t cycles = emu->execute(args.max_cycles, args.max_instr);
   bool is_good_trap = emu->is_good_trap();
+  int trapcode = emu->get_trapcode();
   delete emu;
 
   extern uint32_t uptime(void);
@@ -30,5 +31,6 @@ int main(int argc, const char** argv) {
       " (this will be different from cycleCnt if emu loads a snapshot)\n" ANSI_COLOR_RESET, args.seed, cycles);
   eprintf(ANSI_COLOR_BLUE "Host time spent: %dms\n" ANSI_COLOR_RESET, ms);
 
-  return !is_good_trap;
+  // return !is_good_trap;
+  return trapcode;
 }
diff --git a/src/test/csrc/ram.h b/src/test/csrc/ram.h
index c2d59f0864057885574b86ab2462cca0f7fccc47..342036085c1b7dc361f3291b7783ffe4dd37b2ec 100644
--- a/src/test/csrc/ram.h
+++ b/src/test/csrc/ram.h
@@ -4,6 +4,7 @@
 #include "common.h"
 
 #define EMU_RAM_SIZE (256 * 1024 * 1024UL)
+// #define EMU_RAM_SIZE (8 * 1024 * 1024 * 1024UL)
 
 void init_ram(const char *img);
 void ram_finish();