traceback is

(g-wrap guile) wingo@unquote:~/src/guile-gnome/platform$ bzr check
bzr: ERROR: bzrlib.errors.KnitCorrupt: Knit inventory corrupt:                                                              
  sha-1 c17d607f36f8f3dc2ee2c5c972da4a43d2e2646c
  of reconstructed text does not match
  expected 1549a9422b50217edcf1984516da96e7cd8c16e0
  for version Arch-1:<email address hidden>%guile-gnome-pkg--release--0--base-0

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 846, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 797, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 499, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 2434, in run
    check(branch_obj, verbose)
  File "/usr/lib/python2.5/site-packages/bzrlib/check.py", line 258, in check
    repo_result = branch.repository.check([branch.last_revision()])
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1786, in check
    return self._check(revision_ids)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1790, in _check
    result.check()
  File "/usr/lib/python2.5/site-packages/bzrlib/check.py", line 79, in check
    self.check_one_rev(rev_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/check.py", line 190, in check_one_rev
    self._check_revision_tree(rev_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/check.py", line 227, in _check_revision_tree
    tree = self.repository.revision_tree(rev_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1627, in revision_tree
    inv = self.get_revision_inventory(revision_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1590, in get_revision_inventory
    return self.get_inventory(revision_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1495, in get_inventory
    return self.iter_inventories([revision_id]).next()
  File "/usr/lib/python2.5/site-packages/bzrlib/repository.py", line 1513, in _iter_inventories
    texts = self.get_inventory_weave().get_texts(revision_ids)
  File "/usr/lib/python2.5/site-packages/bzrlib/knit.py", line 1421, in get_texts
    return [''.join(l) for l in self.get_line_list(version_ids)]
  File "/usr/lib/python2.5/site-packages/bzrlib/knit.py", line 1427, in get_line_list
    text_map, content_map = self._get_content_maps(version_ids)
  File "/usr/lib/python2.5/site-packages/bzrlib/knit.py", line 1483, in _get_content_maps
    (actual_sha, digest, version_id))
KnitCorrupt: Knit inventory corrupt: 
  sha-1 c17d607f36f8f3dc2ee2c5c972da4a43d2e2646c
  of reconstructed text does not match
  expected 1549a9422b50217edcf1984516da96e7cd8c16e0
  for version Arch-1:<email address hidden>%guile-gnome-pkg--release--0--base-0

bzr 1.6b3 on python 2.5.1 (linux2)
arguments: ['/usr/bin/bzr', 'check']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.utf8'
plugins:
  launchpad            /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.