trying to make tracebacks reproducible

[Christian Ebert]

Hi,

Since a few days -- sorry for being vague, but this is actually
part of the problem, I _sometimes_ get tracebacks with
crew-stable (basically 1.6 I'd say). I cannot reproduce them
"reliably", i.e. in the following example, I reissued the command
and got the diff as expected. I can reduce the loaded extensions
etc. but I'd like to reproduce this reliably first. It seems to
happen at random - well, in the true sense of the word, if you
look at the final lines of the traceback.

I'd be grateful for any ideas.

c


$ hg diff -r default
** unknown exception encountered, details follow
** report bug details to http://mercurial.selenic.com/bts/
** or mercurial at selenic.com
** Python 2.6.5 (r265:79063, May 13 2010, 09:27:41) [GCC 4.0.1 (Apple Inc. build 5493)]
** Mercurial Distributed SCM (version 1.5.4+190-521c8e0c93bf)
** Extensions loaded: keyword, mq, convert, patchbomb, graphlog, record, extdiff, color, pager, crecord
Traceback (most recent call last):
  File "/usr/local/bin/hg", line 27, in <module>
    mercurial.dispatch.run()
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 16, in run
    sys.exit(dispatch(sys.argv[1:]))
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 34, in dispatch
    return _runcatch(u, args)
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 54, in _runcatch
    return _dispatch(ui, args)
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 483, in _dispatch
    cmdpats, cmdoptions)
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 351, in runcommand
    ret = _runcommand(ui, options, cmd, d)
  File "/usr/local/lib/python2.6/site-packages/mercurial/extensions.py", line 160, in wrap
    return wrapper(origfn, *args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/hgext/pager.py", line 95, in pagecmd
    return orig(ui, options, cmd, cmdfunc)
  File "/usr/local/lib/python2.6/site-packages/mercurial/extensions.py", line 160, in wrap
    return wrapper(origfn, *args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/hgext/color.py", line 213, in colorcmd
    return orig(ui_, opts, cmd, cmdfunc)
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 534, in _runcommand
    return checkargs()
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 488, in checkargs
    return cmdfunc()
  File "/usr/local/lib/python2.6/site-packages/mercurial/dispatch.py", line 481, in <lambda>
    d = lambda: util.checksignature(func)(ui, *args, **cmdoptions)
  File "/usr/local/lib/python2.6/site-packages/mercurial/util.py", line 408, in check
    return func(*args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/mercurial/extensions.py", line 116, in wrap
    util.checksignature(origfn), *args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/mercurial/util.py", line 408, in check
    return func(*args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/hgext/mq.py", line 2791, in mqcommand
    return orig(ui, repo, *args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/mercurial/util.py", line 408, in check
    return func(*args, **kwargs)
  File "/usr/local/lib/python2.6/site-packages/mercurial/commands.py", line 1452, in diff
    cmdutil.diffordiffstat(ui, repo, diffopts, node1, node2, m, stat=stat)
  File "/usr/local/lib/python2.6/site-packages/mercurial/cmdutil.py", line 677, in diffordiffstat
    changes, diffopts):
  File "/usr/local/lib/python2.6/site-packages/mercurial/patch.py", line 1492, in difflabel
    for chunk in func(*args, **kw):
  File "/usr/local/lib/python2.6/site-packages/mercurial/patch.py", line 1449, in diff
    changes = repo.status(ctx1, ctx2, match=match)
  File "/usr/local/lib/python2.6/site-packages/mercurial/localrepo.py", line 1088, in status
    mf2.set(f, ctx2.flags(f))
  File "/usr/local/lib/python2.6/site-packages/mercurial/context.py", line 737, in flags
    flag = findflag(self._parents[0])
  File "/usr/local/lib/python2.6/site-packages/mercurial/context.py", line 731, in findflag
    ff = self._repo.dirstate.flagfunc(lambda x: flag or '')
  File "/usr/local/lib/python2.6/site-packages/mercurial/dirstate.py", line 131, in flagfunc
    if self._checklink:
  File "/usr/local/lib/python2.6/site-packages/mercurial/util.py", line 163, in __get__
    result = self.func(obj)
  File "/usr/local/lib/python2.6/site-packages/mercurial/dirstate.py", line 115, in _checklink
    return util.checklink(self._root)
  File "/usr/local/lib/python2.6/site-packages/mercurial/util.py", line 697, in checklink
    name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
  File "/usr/local/lib/python2.6/site-packages/mercurial/demandimport.py", line 75, in __getattribute__
    self._load()
  File "/usr/local/lib/python2.6/site-packages/mercurial/demandimport.py", line 47, in _load
    mod = _origimport(head, globals, locals)
  File "/sw/lib/python2.6/tempfile.py", line 34, in <module>
    from random import Random as _Random
  File "/usr/local/lib/python2.6/site-packages/mercurial/demandimport.py", line 106, in _demandimport
    mod = _origimport(name, globals, locals)
  File "/sw/lib/python2.6/random.py", line 59, in <module>
    LOG4 = _log(4.0)
ValueError: math domain error

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