1 files changed, 7 insertions, 3 deletions
diff --git a/qa/tasks/cephadm.py b/qa/tasks/cephadm.py
index dab61c2c700..0cde6050718 100644
--- a/qa/tasks/cephadm.py
+++ b/qa/tasks/cephadm.py
@@ -475,12 +475,16 @@ def ceph_log(ctx, config):
                 run.Raw('|'), 'head', '-n', '1',
             ])
             r = ctx.ceph[cluster_name].bootstrap_remote.run(
-                stdout=StringIO(),
+                stdout=BytesIO(),
                 args=args,
+                stderr=StringIO(),
             )
-            stdout = r.stdout.getvalue()
-            if stdout != '':
+            stdout = r.stdout.getvalue().decode()
+            if stdout:
                 return stdout
+            stderr = r.stderr.getvalue()
+            if stderr:
+                return stderr
             return None
 
         # NOTE: technically the first and third arg to first_in_ceph_log