After 0d6b7276003f1afabc6de683f663540327d52bdc, the exceptions are
correctly checked if the rootfs size check fails. In case of a
failure a build error is triggered.

However, there are cases where this is known to fail (e.g.,
with meta-swupd the rootfs for swupd images is other than IMAGE_ROOTFS).

Because of that, check IMAGE_ROOTFS exists before trying to get the
size of it. Also, in case of any error catched as err, simply print
out a warning.

Signed-off-by: Mikko Ylinen <>
 meta/classes/buildstats.bbclass | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass
index 8c2b7b3..599a219 100644
--- a/meta/classes/buildstats.bbclass
+++ b/meta/classes/buildstats.bbclass
@@ -163,12 +163,13 @@ python run_buildstats () {
             bs = os.path.join(bsdir, "build_stats")
             with open(bs, "a") as f:
                 rootfs = d.getVar('IMAGE_ROOTFS', True)
-                try:
-                    rootfs_size = subprocess.check_output(["du", "-sh", 
-                            stderr=subprocess.STDOUT).decode('utf-8')
-                except subprocess.CalledProcessError as e:
-                    bb.error("Failed to get rootfs size: %s" % e.output)
-                f.write("Uncompressed Rootfs size: %s" % rootfs_size)
+                if os.path.isdir(rootfs):
+                    try:
+                        rootfs_size = subprocess.check_output(["du", "-sh", 
+                                stderr=subprocess.STDOUT).decode('utf-8')
+                        f.write("Uncompressed Rootfs size: %s" % rootfs_size)
+                    except subprocess.CalledProcessError as err:
+                        bb.warn("Failed to get rootfs size: %s" % 
     elif isinstance(e,
         # Can have a failure before TaskStarted so need to mkdir here too

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