Tried registering path as parent while ...

  affects bzr-svn
  status triaged
  importance medium

  affects launchpad-code

svn://<email address hidden>/lrut/trunk fails to import:

gwenhwyvar:~/tmp% BZR_PDB=1 bzr.dev branch
svn://<email address hidden>/lrut/trunk lrut
bzr: ERROR: exceptions.AssertionError: Tried registering
<CachingBzrRevisionMetadata for revision 54, path in repository
'a5bbb411-0f0d-4015-9a0d-7f7e39412970'> as parent while
<CachingBzrRevisionMetadata for revision 207, path in repository
'a5bbb411-0f0d-4015-9a0d-7f7e39412970'> already was parent for
<CachingBzrRevisionMetadata for revision 208, path trunk in repository
'a5bbb411-0f0d-4015-9a0d-7f7e39412970'>

Traceback (most recent call last):
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/commands.py", line 911, in
exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/commands.py", line 1111, in
run_bzr
    ret = run(*run_argv)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/commands.py", line 689, in
run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/commands.py", line 704, in
run
    return self._operation.run_simple(*args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/cleanup.py", line 135, in
run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/cleanup.py", line 165, in
_do_with_cleanups
    result = func(*args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/builtins.py", line 1213, in
run
    source_branch=br_from)
  File "/home/jelmer/.bazaar/plugins/svn/remote.py", line 115, in sprout
    return super(SvnRemoteAccess, self).sprout(*args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/bzrdir.py", line 1268, in
sprout
    revision_id=revision_id, repository_policy=repository_policy)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/decorators.py", line 140, in
read_locked
    result = unbound(self, *args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/branch.py", line 1275, in
sprout
    self.copy_content_into(result, revision_id=revision_id)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/branch.py", line 1313, in
copy_content_into
    revision_id=revision_id)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/decorators.py", line 194, in
write_locked
    result = unbound(self, *args, **kwargs)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/branch.py", line 3362, in
copy_content_into
    self.source.tags.merge_to(self.target.tags)
  File "/home/jelmer/.bazaar/plugins/svn/tags.py", line 353, in merge_to
    tag_revmetas = self._get_tag_dict_revmeta(_from_revnum, _to_revnum)
  File "/home/jelmer/.bazaar/plugins/svn/tags.py", line 249, in
_get_tag_dict_revmeta
    revnum=self.branch._revnum)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/decorators.py", line 140, in
read_locked
    result = unbound(self, *args, **kwargs)
  File "/home/jelmer/.bazaar/plugins/svn/repository.py", line 1162, in
find_tags
    to_revnum=revnum)
  File "/home/jelmer/src/bzr/bzr.dev/bzrlib/decorators.py", line 140, in
read_locked
    result = unbound(self, *args, **kwargs)
  File "/home/jelmer/.bazaar/plugins/svn/repository.py", line 1110, in
find_tags_between
    for kind, item in self._revmeta_provider.iter_all_changes(layout,
mapping.is_branch_or_tag, to_revnum, from_revnum, project=project):
  File "/home/jelmer/.bazaar/plugins/svn/revmeta.py", line 1434, in
iter_all_changes
    for kind, item in browser:
  File "/home/jelmer/.bazaar/plugins/svn/util.py", line 165, in next
    return self.it()
  File "/home/jelmer/.bazaar/plugins/svn/revmeta.py", line 1131, in next
    ret = self._iter.next()
  File "/home/jelmer/.bazaar/plugins/svn/revmeta.py", line 1205, in do
    c._set_direct_lhs_parent_revmeta(revmeta)
  File "/home/jelmer/.bazaar/plugins/svn/revmeta.py", line 331, in
_set_direct_lhs_parent_revmeta
    parent_revmeta, self._direct_lhs_parent_revmeta, self))
AssertionError: Tried registering <CachingBzrRevisionMetadata for
revision 54, path in repository 'a5bbb411-0f0d-4015-9a0d-7f7e39412970'>
as parent while <CachingBzrRevisionMetadata for revision 207, path in
repository 'a5bbb411-0f0d-4015-9a0d-7f7e39412970'> already was parent
for <CachingBzrRevisionMetadata for revision 208, path trunk in
repository 'a5bbb411-0f0d-4015-9a0d-7f7e39412970'>

r54 seems to be the last revision in which / was modified (properties
changed?)

This affects, among other things, lp:~javivf/lrut/trunk.