[Bug 1019549] Re: bzr crashed with ShortReadvError in _seek_and_read(): readv() read 0 bytes rather than 182 bytes at 0 for "9063b4ffd78bea8fc7e49a2fad8d066b.rix"

Martin Packman martin.packman at canonical.com
Sat Jun 30 18:43:53 UTC 2012 

*** This bug is a duplicate of bug 413430 ***
    https://bugs.launchpad.net/bugs/413430

** This bug is no longer a duplicate of private bug 1001169
** This bug has been marked a duplicate of bug 413430
   ShortReadvError on index file

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Title:
  bzr crashed with ShortReadvError in _seek_and_read(): readv() read 0
  bytes rather than 182 bytes at 0 for
  "9063b4ffd78bea8fc7e49a2fad8d066b.rix"

Status in “bzr” package in Ubuntu:
  Confirmed

Bug description:
  branch: bzr+ssh://bazaar.launchpad.net/~gekkotek/mws-migration/fedexsms_integration/
  --bzr pull
  Using saved parent location: bzr+ssh://bazaar.launchpad.net/~gekkotek/mws-migration/fedexsms_integration/
  bzr: ERROR: bzrlib.errors.ShortReadvError: readv() read 0 bytes rather than 182 bytes at 0 for "9063b4ffd78bea8fc7e49a2fad8d066b.rix"                                  

  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 924, in exception_to_return_code
      return the_callable(*args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1124, in run_bzr
      ret = run(*run_argv)
    File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 689, in run_argv_aliases
      return self.run(**all_cmd_args)
    File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 711, 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 1008, in run
      show_base=show_base)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 194, in write_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/workingtree.py", line 1676, in pull
      local=local)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 1089, in pull
      possible_transports=possible_transports, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 194, in write_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 3492, in pull
      merge_tags_to_master=not source_is_master)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 3602, in _pull
      overwrite=overwrite, graph=graph)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 1038, in update_revisions
      overwrite, graph)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 194, in write_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 3435, in update_revisions
      self.target.fetch(self.source, stop_revision)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 194, in write_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 687, in fetch
      pb=pb)
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 1777, in fetch
      find_ghosts=find_ghosts, fetch_spec=fetch_spec)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 194, in write_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 3433, in fetch
      find_ghosts=find_ghosts)
    File "/usr/lib/python2.7/dist-packages/bzrlib/fetch.py", line 72, in __init__
      self.__fetch()
    File "/usr/lib/python2.7/dist-packages/bzrlib/fetch.py", line 94, in __fetch
      search = self._revids_to_fetch()
    File "/usr/lib/python2.7/dist-packages/bzrlib/fetch.py", line 160, in _revids_to_fetch
      find_ghosts=self.find_ghosts)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 140, in read_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 1604, in search_missing_revision_ids
      revision_id, find_ghosts)
    File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 140, in read_locked
      result = unbound(self, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 3499, in search_missing_revision_ids
      return self._walk_to_common_revisions([revision_id])
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 3468, in _walk_to_common_revisions
      have_revs = set(target_graph.get_parent_map(revs_to_get))
    File "/usr/lib/python2.7/dist-packages/bzrlib/graph.py", line 167, in get_parent_map
      parent_map = self._get_parent_map(needed_revisions)
    File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 2689, in get_parent_map
      self.revisions.get_parent_map(query_keys).iteritems():
    File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 1332, in get_parent_map
      return self._get_parent_map_with_sources(keys)[0]
    File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 1351, in _get_parent_map_with_sources
      new_result = source.get_parent_map(missing)
    File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 2047, in get_parent_map
      for node in nodes:
    File "/usr/lib/python2.7/dist-packages/bzrlib/groupcompress.py", line 2019, in _get_entries
      for node in self._graph_index.iter_entries(keys):
    File "/usr/lib/python2.7/dist-packages/bzrlib/index.py", line 1360, 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 704, in _seek_and_read
      c_offset.length, actual=len(data))
  ShortReadvError: readv() read 0 bytes rather than 182 bytes at 0 for "9063b4ffd78bea8fc7e49a2fad8d066b.rix"

  You can report this problem to Bazaar's developers by running
      apport-bug /var/crash/bzr.1000.2012-06-30T10:52.crash
  if a bug-reporting window does not automatically appear.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: bzr 2.3.4-0ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-15.61-generic 2.6.38.8
  Uname: Linux 2.6.38-15-generic i686
  NonfreeKernelModules: fglrx
  Architecture: i386
  BzrDebugFlags: set()
  BzrVersion: 2.3.4
  CommandLine: ['/usr/bin/bzr', 'pull']
  CrashDb: bzr
  Date: Sat Jun 30 16:22:39 2012
  ExecutablePath: /usr/bin/bzr
  FileSystemEncoding: UTF-8
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  InterpreterPath: /usr/bin/python2.7
  Locale: en_IN
  PackageArchitecture: all
  Platform: Linux-2.6.38-15-generic-i686-with-Ubuntu-11.04-natty
  ProcCmdline: /usr/bin/python /usr/bin/bzr pull
  ProcEnviron:
   SHELL=/bin/bash
   LC_MESSAGES=en_IN.UTF-8
   LANG=en_IN
   LANGUAGE=en_IN:en
  PythonVersion: 2.7.1
  SourcePackage: bzr
  Title: bzr crashed with ShortReadvError in _seek_and_read(): readv() read 0 bytes rather than 182 bytes at 0 for "9063b4ffd78bea8fc7e49a2fad8d066b.rix"
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserEncoding: UTF-8
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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