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dom0/core: fix race in QubesVm.is_outdated()

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This commit is contained in:
Marek Marczykowski 2013-02-07 11:31:06 +01:00
parent ce268730d4
commit c631b0b632
1 changed files with 6 additions and 1 deletions
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7
dom0/qvm-core/qubes.py
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@ -765,7 +765,12 @@ class QubesVm(object):
return False return False
rootimg_inode = os.stat(self.template.root_img) rootimg_inode = os.stat(self.template.root_img)
rootcow_inode = os.stat(self.template.rootcow_img) try:
rootcow_inode = os.stat(self.template.rootcow_img)
except OSError:
# The only case when rootcow_img doesn't exists is in the middle of
# commit_changes, so VM is outdated right now
return True
current_dmdev = "/dev/mapper/snapshot-{0:x}:{1}-{2:x}:{3}".format( current_dmdev = "/dev/mapper/snapshot-{0:x}:{1}-{2:x}:{3}".format(
rootimg_inode[2], rootimg_inode[1], rootimg_inode[2], rootimg_inode[1],