diff --git a/meta/classes-recipe/kernel-yocto.bbclass b/meta/classes-recipe/kernel-yocto.bbclass
index 43674e8bcb..002782f2ee 100644
--- a/meta/classes-recipe/kernel-yocto.bbclass
+++ b/meta/classes-recipe/kernel-yocto.bbclass
@@ -548,7 +548,7 @@ python do_config_analysis() {
         for action in ["analysis","audit"]:
             if action == "analysis":
                 try:
-                    analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--blame', c], cwd=s, env=env ).decode('utf-8')
+                    analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--blame', c], cwd=s, stderr=subprocess.STDOUT, env=env ).decode('utf-8')
                 except subprocess.CalledProcessError as e:
                     bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8')))
 
@@ -556,7 +556,7 @@ python do_config_analysis() {
 
             if action == "audit":
                 try:
-                    analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--summary', '--extended', '--sanity', c], cwd=s, env=env ).decode('utf-8')
+                    analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--summary', '--extended', '--sanity', c], cwd=s, stderr=subprocess.STDOUT, env=env ).decode('utf-8')
                 except subprocess.CalledProcessError as e:
                     bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8')))
 
@@ -593,7 +593,7 @@ python do_kernel_configcheck() {
     # passed a valid meta-series for processing
     kmeta = d.getVar("KMETA")
     if not kmeta or not os.path.exists('{}/{}'.format(s,kmeta)):
-        kmeta = subprocess.check_output(['kgit', '--meta'], cwd=d.getVar('S')).decode('utf-8').rstrip()
+        kmeta = subprocess.check_output(['kgit', '--meta'], cwd=d.getVar('S'), stderr=subprocess.STDOUT).decode('utf-8').rstrip()
 
     env = os.environ.copy()
     env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/")
@@ -608,7 +608,7 @@ python do_kernel_configcheck() {
         env['CLANG_FLAGS'] = " -fintegrated-as"
 
     try:
-        configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], env=env).decode('utf-8')
+        configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], stderr=subprocess.STDOUT, env=env).decode('utf-8')
     except subprocess.CalledProcessError as e:
         bb.fatal( "Cannot gather config fragments for audit: %s" % e.output.decode("utf-8") )
 
@@ -627,7 +627,7 @@ python do_kernel_configcheck() {
 
     # category #1: mismatches
     try:
-        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--mismatches', extra_params], cwd=s, env=env ).decode('utf-8')
+        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--mismatches', extra_params], cwd=s, stderr=subprocess.STDOUT, env=env ).decode('utf-8')
     except subprocess.CalledProcessError as e:
         bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8')))
 
@@ -649,7 +649,7 @@ python do_kernel_configcheck() {
     if bsp_check_visibility > 1:
         extra_params = "--strict"
     try:
-        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--invalid', extra_params], cwd=s, env=env ).decode('utf-8')
+        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--invalid', extra_params], cwd=s, stderr=subprocess.STDOUT, env=env ).decode('utf-8')
     except subprocess.CalledProcessError as e:
         bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8')))
 
@@ -668,7 +668,7 @@ python do_kernel_configcheck() {
 
     # category #3: redefined options (this is pretty verbose and is debug only)
     try:
-        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--sanity'], cwd=s, env=env ).decode('utf-8')
+        analysis = subprocess.check_output(['symbol_why.py', '--dotconfig',  '{}'.format( d.getVar('B') + '/.config' ), '--sanity'], cwd=s, stderr=subprocess.STDOUT, env=env ).decode('utf-8')
     except subprocess.CalledProcessError as e:
         bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8')))