No such file or directory: '/dev/shm/_tmp_2way_v.txt.out' when run "python _2c_generate_fm_features.py" in "_0_run_me.sh"

[SeekPoint]

while start _0_run_me.sh,
It report such error when run "python _2c_generate_fm_features.py"

t0tv_mx loaded with shape (10999998, 43)
t0 loaded with shape (10999998, 40)
22 all_withid
to write data files ...
/media/rzai/ai_data/prj/kaggle-2014-criteo/solvers/libffm-1.13/ffm-train -t 4 -s 8 -l 1e-5 /dev/shm/_tmp_2way_v.txt /dev/shm/_tmp_2way_t.txt
load results ...
Traceback (most recent call last):
File "_2c_generate_fm_features.py", line 78, in
fm_predv = pd.read_csv(open(path1 + '_tmp_2way_v.txt.out', 'r'), header=None).ix[:,0].values
IOError: [Errno 2] No such file or directory: '/dev/shm/_tmp_2way_v.txt.out'

[SeekPoint]

I try to fixed it by change _tmp_2way_v.txt.out to _tmp_2way_v.txt

but got:

============================================================
23 fm_5vars
to write data files ...
/media/rzai/ai_data/prj/kaggle-2014-criteo/solvers/libffm-1.13/ffm-train -t 4 -s 8 -l 1e-5 /dev/shm/_tmp_2way_v.txt /dev/shm/_tmp_2way_t.txt
load results ...
--- gini_norm: 1.0

24 all_withid
to write data files ...
/media/rzai/ai_data/prj/kaggle-2014-criteo/solvers/libffm-1.13/ffm-train -t 4 -s 8 -l 1e-5 /dev/shm/_tmp_2way_v.txt /dev/shm/_tmp_2way_t.txt
iter tr_logloss
1 -nan
2 -nan
3 -nan
4 -nan
load results ...
Traceback (most recent call last):
File "_2c_generate_fm_features.py", line 78, in
fm_predv = pd.read_csv(open(path1 + '_tmp_2way_v.txt', 'r'), header=None).ix[:,0].values
File "/usr/local/lib/python2.7/dist-packages/pandas/io/parsers.py", line 470, in parser_f
return _read(filepath_or_buffer, kwds)
File "/usr/local/lib/python2.7/dist-packages/pandas/io/parsers.py", line 246, in _read
parser = TextFileReader(filepath_or_buffer, **kwds)
File "/usr/local/lib/python2.7/dist-packages/pandas/io/parsers.py", line 562, in init
self._make_engine(self.engine)
File "/usr/local/lib/python2.7/dist-packages/pandas/io/parsers.py", line 699, in _make_engine
self._engine = CParserWrapper(self.f, **self.options)
File "/usr/local/lib/python2.7/dist-packages/pandas/io/parsers.py", line 1066, in init
self._reader = _parser.TextReader(src, **kwds)
File "pandas/parser.pyx", line 512, in pandas.parser.TextReader.cinit (pandas/parser.c:4804)
ValueError: No columns to parse from file

[liuyiyiyiyi]

How doyou solve the problem?