[Zope] packing with zeo error

[george donnelly]

hi

i am trying to pack a zeo-served filestorage, i brought it up as
read-only, both the zeo server and a client and packed. after about 20
mins it failed with this error below. can anyone make sense of this
error for me? and perhaps suggest what i might do to get past it and
pack my zeo-served zodb?

thanks in advance :)

2004-05-10T20:50:18 ERROR(200) zrpc:46637 Error raised in delayed method
Traceback (most recent call last):
  File "/usr/local/zope/270/lib/python/ZEO/StorageServer.py", line 993,
in run   
    result = self._method(*self._args)
  File "/usr/local/zope/270/lib/python/ZEO/StorageServer.py", line 317,
in _pack_impl
    self.storage.pack(time, referencesf)
  File "/usr/local/zope/270/lib/python/ZODB/FileStorage.py", line 1557,
in pack
    opos = p.pack()
  File "/usr/local/zope/270/lib/python/ZODB/fspack.py", line 698, in
pack
    self.gc.findReachable()
  File "/usr/local/zope/270/lib/python/ZODB/fspack.py", line 454, in
findReachable
    self.findReachableAtPacktime([z64])
  File "/usr/local/zope/270/lib/python/ZODB/fspack.py", line 529, in
findReachableAtPacktime
    todo.extend(self.findrefs(pos))
  File "/usr/local/zope/270/lib/python/ZODB/fspack.py", line 602, in
findrefs
    return referencesf(self._file.read(dh.plen))
  File "/usr/local/zope/270/lib/python/ZODB/referencesf.py", line 38, in
referencesf
    raise ValueError, 'Error unpickling, %s' % p
ValueError: Error unpickling,
((U^NBTrees.OIBTreeq^AU^GOIBTreeq^Btq^CNt.(((U^H^@^@^@^@^@#\x86\xe1q^D
(h^AU^GOIBTreeq^EttQX^C^@^@^@devq^F(U^H^@^@^@^@^@#\x86\xe2q^G(h^AU^
GOIBTreeq^HttQX^G^@^@^@joanbovq
(U^H^@^@^@^@^@#\x86\xe3q
(h^AU^GOIBTreeq^KttQX^Z^@^@^@remesas^@^@i\xfb\x90\x80\x80\xfb\x96\x8f\
xb8\xfb\x96\x91\x98\xfb\x96\x9
2\x88q^L(U^H^@^@^@^@^@#\x86\xe4q^M(h^AU^GOIBTreeq^NttQt(U^H^@^@^@^@^@^]\
xbd\xe1q^O(h^AU^HOIBucketq^P
ttQtq^Q.
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