Comment 2 for bug 764219

Oh, and here's the terminal output. This may be interesting because it appears to include the stderr from the server, so the traceback from the server process (the traceback with python2.6 in the paths rather than python2.7):

Sending back exception invalid load key, 'y'. of type <class 'cPickle.UnpicklingError'>:
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 335, in answer_request
    result = apply(eval(request.function_string), argument_list)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 485, in readfromid
    if length is None: return cls.vfiles[id].read()
  File "/usr/lib/pymodules/python2.7/rdiff_backup/iterfile.py", line 302, in read
    if not self.addtobuffer(): break
  File "/usr/lib/pymodules/python2.7/rdiff_backup/iterfile.py", line 325, in addtobuffer
    try: currentobj = self.iter.next()
  File "/usr/lib/pymodules/python2.7/rdiff_backup/backup.py", line 103, in get_diffs
    for dest_sig in dest_sigiter:
  File "/usr/lib/pymodules/python2.7/rdiff_backup/iterfile.py", line 382, in next
    while not type: type, data = self._get()
  File "/usr/lib/pymodules/python2.7/rdiff_backup/iterfile.py", line 421, in _get
    if type in "oerh": return type, cPickle.loads(data)

Exception 'invalid load key, 'y'.' raised of class '<class 'cPickle.UnpicklingError'>':
  File "/usr/lib/pymodules/python2.6/rdiff_backup/robust.py", line 32, in check_common_error
    try: return function(*args)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 105, in copy
    if rpin.isreg(): return copy_reg_file(rpin, rpout, compress)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 133, in copy_reg_file
    return rpout.write_from_fileobj(rpin.open("rb"), compress = compress)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 1195, in write_from_fileobj
    copyfileobj(fp, outfp)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 62, in copyfileobj
    inbuf = inputfp.read(blocksize)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 1415, in read
    def read(self, length = -1): return self.file.read(length)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 118, in read
    if not self.addtobuffer(): break
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 133, in addtobuffer
    type, data = self.iwf._get()
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 414, in _get
    if not self.buf: self.buf += self.file.read()
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 518, in read
    return self.connection.VirtualFile.readfromid(self.id, length)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 450, in __call__
    return apply(self.connection.reval, (self.name,) + args)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 370, in reval
    if isinstance(result, Exception): raise result

Sending back exception invalid load key, 'y'. of type <class 'cPickle.UnpicklingError'>:
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 335, in answer_request
    result = apply(eval(request.function_string), argument_list)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/backup.py", line 243, in patch_and_increment
    ITR(diff.index, diff)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rorpiter.py", line 281, in __call__
    last_branch.fast_process(*args)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/backup.py", line 692, in fast_process
    if self.patch_to_temp(mirror_rp, diff_rorp, tf):
  File "/usr/lib/pymodules/python2.6/rdiff_backup/backup.py", line 553, in patch_to_temp
    result = self.patch_snapshot_to_temp(diff_rorp, new)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/backup.py", line 582, in patch_snapshot_to_temp
    (diff_rorp, new))
  File "/usr/lib/pymodules/python2.6/rdiff_backup/robust.py", line 32, in check_common_error
    try: return function(*args)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 105, in copy
    if rpin.isreg(): return copy_reg_file(rpin, rpout, compress)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 133, in copy_reg_file
    return rpout.write_from_fileobj(rpin.open("rb"), compress = compress)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 1195, in write_from_fileobj
    copyfileobj(fp, outfp)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 62, in copyfileobj
    inbuf = inputfp.read(blocksize)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/rpath.py", line 1415, in read
    def read(self, length = -1): return self.file.read(length)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 118, in read
    if not self.addtobuffer(): break
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 133, in addtobuffer
    type, data = self.iwf._get()
  File "/usr/lib/pymodules/python2.6/rdiff_backup/iterfile.py", line 414, in _get
    if not self.buf: self.buf += self.file.read()
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 518, in read
    return self.connection.VirtualFile.readfromid(self.id, length)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 450, in __call__
    return apply(self.connection.reval, (self.name,) + args)
  File "/usr/lib/pymodules/python2.6/rdiff_backup/connection.py", line 370, in reval
    if isinstance(result, Exception): raise result

Exception 'invalid load key, 'y'.' raised of class '<class 'cPickle.UnpicklingError'>':
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 304, in error_check_Main
    try: Main(arglist)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 324, in Main
    take_action(rps)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 280, in take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 343, in Backup
    backup.Mirror_and_increment(rpin, rpout, incdir)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/backup.py", line 51, in Mirror_and_increment
    DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 450, in __call__
    return apply(self.connection.reval, (self.name,) + args)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 370, in reval
    if isinstance(result, Exception): raise result

Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 30, in <module>
    rdiff_backup.Main.error_check_Main(sys.argv[1:])
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 304, in error_check_Main
    try: Main(arglist)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 324, in Main
    take_action(rps)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 280, in take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File "/usr/lib/pymodules/python2.7/rdiff_backup/Main.py", line 343, in Backup
    backup.Mirror_and_increment(rpin, rpout, incdir)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/backup.py", line 51, in Mirror_and_increment
    DestS.patch_and_increment(dest_rpath, source_diffiter, inc_rpath)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 450, in __call__
    return apply(self.connection.reval, (self.name,) + args)
  File "/usr/lib/pymodules/python2.7/rdiff_backup/connection.py", line 370, in reval
    if isinstance(result, Exception): raise result
cPickle.UnpicklingError: invalid load key, 'y'.
Command exited with non-zero status 1
79.74 user
11.91 system

41:37.54 elapsed clock time

start: Mon Apr 18 13:43:49 EST 2011
end: Mon Apr 18 14:25:30 EST 2011
Fatal Error: Lost connection to the remote system