# emerge -upvDN world
--Return--
> /usr/bin/emerge(28)debug_signal()->None
(Pdb) bt
  /usr/bin/emerge(43)<module>()
-> retval = emerge_main()
  /usr/lib64/portage/pym/_emerge/main.py(1406)emerge_main()
-> getbinpkgs="--getbinpkg" in myopts)
  /usr/lib64/portage/pym/portage/dbapi/bintree.py(513)populate()
-> self._populate(getbinpkgs)
  /usr/lib64/portage/pym/portage/dbapi/bintree.py(809)_populate()
-> f.close()
  /usr/lib64/python2.7/urllib.py(941)close()
-> if self.fp: self.fp.close()
  /usr/lib64/python2.7/urllib.py(955)close()
-> self.closehook(*self.hookargs)
  /usr/lib64/python2.7/urllib.py(904)endtransfer()
-> self.ftp.voidresp()
  /usr/lib64/python2.7/ftplib.py(224)voidresp()
-> resp = self.getresp()
  /usr/lib64/python2.7/ftplib.py(210)getresp()
-> resp = self.getmultiline()
  /usr/lib64/python2.7/ftplib.py(196)getmultiline()
-> line = self.getline()
  /usr/lib64/python2.7/ftplib.py(183)getline()
-> line = self.file.readline()
  /usr/lib64/python2.7/socket.py(447)readline()
-> data = self._sock.recv(self._rbufsize)
> /usr/bin/emerge(28)debug_signal()->None
-> pdb.set_trace()
(Pdb)