bzr crashed with ValueError in set_root_id()

[Martin Schröder]

Binary package hint: bzr

I ran bzr update to update a local branch from another and bzr crashed.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: bzr 2.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-27.48-generic 2.6.35.11
Uname: Linux 2.6.35-27-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
BzrDebugFlags: set()
BzrVersion: 2.2.1
CommandLine: ['/usr/bin/bzr', 'update']
CrashDb: bzr
Date: Sat Mar 12 12:21:33 2011
ExecutablePath: /usr/bin/bzr
FileSystemEncoding: UTF-8
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.6
Locale: de_DE.UTF-8
Platform: Linux-2.6.35-27-generic-x86_64-with-Ubuntu-10.10-maverick
ProcCmdline: /usr/bin/python /usr/bin/bzr update
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=de_DE.UTF-8
PythonVersion: 2.6.6
SourcePackage: bzr
Title: bzr crashed with ValueError in set_root_id()
UserEncoding: UTF-8
UserGroups: adm admin audio cdrom dialout fuse lpadmin netdev plugdev sambashare video

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 912, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1112, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 690, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 705, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 1440, in run
    old_tip=old_tip)
  File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree.py", line 2262, in update
    return self._update_tree(old_tip, change_reporter, revision)
  File "/usr/lib/python2.6/dist-packages/bzrlib/mutabletree.py", line 50, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree.py", line 2317, in _update_tree
    self.set_root_id(to_root_id)
  File "/usr/lib/python2.6/dist-packages/bzrlib/mutabletree.py", line 50, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree.py", line 2175, in set_root_id
    'WorkingTree.set_root_id with fileid=None')
ValueError: WorkingTree.set_root_id with fileid=None

[John A Meinel (jameinel)]

I'm wondering if this is a duplicate of bug #494269 or bug #504390. The fixes look like they should be in bzr-2.2.1, though, so this seems to be an independent bug.