Erreur Portage-2.2_alpha

i686-pc-linux-gnu-ranlib liblsof.a
make[1] : on quitte le répertoire « /mnt/tmpfs/portage/sys-process/lsof-4.85/work/lsof_4.85/lsof_4.85_src/lib »
i686-pc-linux-gnu-gcc -o lsof dfile.o dmnt.o dnode.o dproc.o dsock.o dstore.o arg.o main.o misc.o node.o print.o proc.o store.o usage.o util.o -L./lib -llsof -march=native -O2 -pipe -fomit-frame-pointer -Wl,-O1 -Wl,--as-needed
>>> Source compiled.
>>> Test phase [not enabled]: sys-process/lsof-4.85

>>> Install lsof-4.85 into /mnt/tmpfs/portage/sys-process/lsof-4.85/image/ category sys-process
>>> Completed installing lsof-4.85 into /mnt/tmpfs/portage/sys-process/lsof-4.85/image/

strip: i686-pc-linux-gnu-strip --strip-unneeded -R .comment
   usr/bin/lsof
ecompressdir: bzip2 -9 /usr/share/man

>>> Installing (1 of 1) sys-process/lsof-4.85
Traceback (most recent call last):
  File "/usr/lib/portage/pym/portage/dbapi/_MergeProcess.py", line 246, in _spawn
    prev_mtimes=self.prev_mtimes, counter=counter)
  File "/usr/lib/portage/pym/portage/dbapi/vartree.py", line 4261, in merge
    counter=counter)
  File "/usr/lib/portage/pym/portage/dbapi/vartree.py", line 3566, in treewalk
    self.updateprotect()
  File "/usr/lib/portage/pym/portage/dbapi/vartree.py", line 1360, in updateprotect
    self._get_protect_obj().updateprotect()
  File "/usr/lib/portage/pym/portage/dbapi/vartree.py", line 1350, in _get_protect_obj
    self.settings.get("CONFIG_PROTECT", "")),
  File "/usr/lib/portage/pym/portage/util/__init__.py", line 512, in shlex_split
    rval = shlex.split(s)
  File "/usr/lib/python3.1/shlex.py", line 275, in split
    return list(lex)
  File "/usr/lib/python3.1/shlex.py", line 265, in __next__
    token = self.get_token()
  File "/usr/lib/python3.1/shlex.py", line 92, in get_token
    raw = self.read_token()
  File "/usr/lib/python3.1/shlex.py", line 187, in read_token
    raise ValueError("No escaped character")
ValueError: No escaped character

>>> Failed to install sys-process/lsof-4.85, Log file:

>>>  '/var/log/portage/elog/sys-process:lsof-4.85:20110930-230032.log'

 * Messages for package sys-process/lsof-4.85:

 * Package:    sys-process/lsof-4.85
 * Repository: gentoo
 * Maintainer: base-system@gentoo.org
 * USE:        elibc_glibc ipv6 kernel_linux userland_GNU x86
 * FEATURES:   ccache sandbox
 *
 * The following package has failed to build or install:
 *
 *  (sys-process/lsof-4.85::gentoo, ebuild scheduled for merge), Log file:
 *   '/var/log/portage/elog/sys-process:lsof-4.85:20110930-230032.log'
 *