Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 946, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1150, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 699, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 721, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 3316, in run
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 217, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/workingtree_4.py", line 209, in commit
    result = WorkingTree.commit(self, message, revprops, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 217, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 210, in commit
    *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commit.py", line 289, in commit
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 131, in run
    self.cleanups, self.func, self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commit.py", line 366, in _commit
    old_revno, new_revno = self._check_out_of_date_tree()
  File "/usr/lib/python2.7/dist-packages/bzrlib/commit.py", line 560, in _check_out_of_date_tree
    if self.branch.repository.has_revision(first_tree_parent):
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 154, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 831, in has_revision
    return revision_id in self.has_revisions((revision_id,))
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 154, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1308, in has_revisions
    [(rev_id,) for rev_id in revision_ids])
  File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 1374, in get_parent_map
    return self._get_parent_map_with_sources(keys)[0]
  File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 1393, in _get_parent_map_with_sources
    new_result = source.get_parent_map(missing)
  File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 2115, in get_parent_map
    for node in nodes:
  File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 2087, in _get_entries
    for node in self._graph_index.iter_entries(keys):
  File "/usr/lib/python2.7/dist-packages/bzrlib/index.py", line 1366, in iter_entries
    for node in index.iter_entries(keys):
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 1162, in iter_entries
    if not self.key_count():
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 1443, in key_count
    self._get_root_node()
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 940, in _get_root_node
    self._get_internal_nodes([0])
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 965, in _get_internal_nodes
    return self._get_nodes(self._internal_node_cache, node_indexes)
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 957, in _get_nodes
    found.update(self._get_and_cache_nodes(needed))
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 734, in _get_and_cache_nodes
    for node_pos, node in self._read_nodes(sorted(nodes)):
  File "/usr/lib/python2.7/dist-packages/bzrlib/btree_index.py", line 1557, in _read_nodes
    for offset, data in data_ranges:
  File "/usr/lib/python2.7/dist-packages/bzrlib/transport/__init__.py", line 730, in _seek_and_read
    c_offset.length, actual=len(data))
ShortReadvError: readv() read 0 bytes rather than 174 bytes at 0 for "469df00e67f848246f876663fb299e10.rix"