A zero MBR disk signature is generally seen as no signature and
another partitioning program might install a new signature.
Signed-off-by: Jonathan Liu <net...@gmail.com>
---
meta/classes/boot-directdisk.bbclass | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/meta/classes/boot-directdisk.bbclass
b/meta/classes/boot-directdisk.bbclass
index 4b9d7bd..8641e85 100644
--- a/meta/classes/boot-directdisk.bbclass
+++ b/meta/classes/boot-directdisk.bbclass
@@ -148,7 +148,11 @@ python do_bootdirectdisk() {
def generate_disk_signature():
import uuid
- return str(uuid.uuid4())[:8]
+ while True:
+ signature = str(uuid.uuid4())[:8]
+
+ if signature != '00000000':
+ return signature
def validate_disk_signature(d):
import re
--
1.8.4
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