--- cloudinit/util.py.orig
+++ cloudinit/util.py
@@ -2337,7 +2337,7 @@ def read_dmi_data(key):
 
     # running dmidecode can be problematic on some arches (LP: #1243287)
     uname_arch = os.uname()[4]
-    if uname_arch.startswith("arm") or uname_arch == "aarch64":
+    if uname_arch.startswith("arm") or uname_arch == "aarch64" or uname_arch.startswith("ppc"):
         LOG.debug("dmidata is not supported on %s", uname_arch)
         return None