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authorEd Bartosh <ed.bartosh@linux.intel.com>2017-03-26 18:28:04 +0300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-03-27 00:07:36 +0100
commitbdaba95af2b2c9174311374436f184d2a927f6f1 (patch)
treea684573939b7a48359bff47f4c75994d5887d0e8 /scripts
parent39a7bfde92211b3546ff0a8e6a3e549714996b28 (diff)
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wic: fix generation of partition UUID
Partition UUID for msdos partitioning is based on a 4 bytes long system identifier. Wic uses random number to generate system identifier. For the numbers starting with 0 partition uuid is shorter, which makes wic images non-bootable as kernel expects 8 charactest in PARTUUID parameter. Padded system identifier with '0' when generating partition UUID to make it always 8 characters long. This should fix the boot issue. Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/lib/wic/plugins/imager/direct.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index 7d38ab34fb..67fd183670 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -323,7 +323,7 @@ class PartitionedImage():
if self.ptable_format == 'gpt':
part.uuid = str(uuid.uuid4())
else: # msdos partition table
- part.uuid = '%0x-%02d' % (self.identifier, part.realnum)
+ part.uuid = '%08x-%02d' % (self.identifier, part.realnum)
def prepare(self, imager):
"""Prepare an image. Call prepare method of all image partitions."""