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-rwxr-xr-xtests/check-block.sh7
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/check-block.sh b/tests/check-block.sh
index fb4c1baae9..e4f37905be 100755
--- a/tests/check-block.sh
+++ b/tests/check-block.sh
@@ -60,6 +60,13 @@ if ! (sed --version | grep 'GNU sed') > /dev/null 2>&1 ; then
         echo "GNU sed not available ==> Not running the qemu-iotests."
         exit 0
     fi
+else
+    # Double-check that we're not using BusyBox' sed which says
+    # that "This is not GNU sed version 4.0" ...
+    if sed --version | grep -q 'not GNU sed' ; then
+        echo "BusyBox sed not supported ==> Not running the qemu-iotests."
+        exit 0
+    fi
 fi
 
 cd tests/qemu-iotests