OSError: [Errno 12] Cannot allocate memory

when i run to 20 or 30 epoches, this error appear, but before that, there is no other error occur, what is the problem? thx.

[0508 00:52:10 @base.py:272] Start Epoch 34 ...

0%| |0/100[00:00<?,?it/s]Process _Worker-4: Traceback (most recent call last): File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap self.run() File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/parallel.py", line 163, in ru

n for dp in self.ds: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/common.py", line 116, in __it

er__ for data in self.ds: File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 35, in get_data yield get_mfccs_and_phones(wav_file=wav_file) File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 72, in get_mfccs_and_phones wav = read_wav(wav_file, sr=hp.default.sr) File "/home/gongke/zgl/deep-voice-conversion-master/audio.py", line 13, in readwav wav, = librosa.load(path, mono=mono, sr=sr, duration=duration) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/librosa/core/audio.py", line 119, in load with audioread.audio_open(os.path.realpath(path)) as input_file: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/audioread/init.py", line 85, in audio_open if _ca_available(): File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/audioread/init.py", line 59, in _ca_available

lib = ctypes.util.find_library('AudioToolbox')

File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/ctypes/util.py", line 274, in find_library return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name)) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/ctypes/util.py", line 103, in _findLib_gcc stdout=subprocess.PIPE) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/subprocess.py", line 390, in init errread, errwrite) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/subprocess.py", line 916, in _execute_child self.pid = os.fork() OSError: [Errno 12] Cannot allocate memory Process _Worker-1: Traceback (most recent call last): File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap self.run() File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/parallel.py", line 163, in ru

n for dp in self.ds: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/common.py", line 116, in __it

er__ for data in self.ds: File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 35, in get_data yield get_mfccs_and_phones(wav_file=wav_file) File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 72, in get_mfccs_and_phones wav = read_wav(wav_file, sr=hp.default.sr) File "/home/gongke/zgl/deep-voice-conversion-master/audio.py", line 13, in readwav wav, = librosa.load(path, mono=mono, sr=sr, duration=duration) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/librosa/core/audio.py", line 119, in load with audioread.audio_open(os.path.realpath(path)) as input_file: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/audioread/init.py", line 116, in audio_open raise NoBackendError() NoBackendError Process _Worker-2: Traceback (most recent call last): File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap self.run() File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/parallel.py", line 163, in ru

n for dp in self.ds: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/common.py", line 116, in __it

lib = ctypes.util.find_library('AudioToolbox')

File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/ctypes/util.py", line 274, in find_library return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name)) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/ctypes/util.py", line 103, in _findLib_gcc stdout=subprocess.PIPE) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/subprocess.py", line 390, in init errread, errwrite) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/subprocess.py", line 916, in _execute_child self.pid = os.fork() OSError: [Errno 12] Cannot allocate memory Process _Worker-3: Traceback (most recent call last): File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap self.run() File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/parallel.py", line 163, in ru

n for dp in self.ds: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/tensorpack/dataflow/common.py", line 116, in __it

er__ for data in self.ds: File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 35, in get_data yield get_mfccs_and_phones(wav_file=wav_file) File "/home/gongke/zgl/deep-voice-conversion-master/data_load.py", line 72, in get_mfccs_and_phones wav = read_wav(wav_file, sr=hp.default.sr) File "/home/gongke/zgl/deep-voice-conversion-master/audio.py", line 13, in readwav wav, = librosa.load(path, mono=mono, sr=sr, duration=duration) File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/librosa/core/audio.py", line 119, in load with audioread.audio_open(os.path.realpath(path)) as input_file: File "/data2/wyx/anaconda3/envs/zgl_env3/lib/python2.7/site-packages/audioread/init.py", line 116, in audio_open raise NoBackendError() NoBackendError

andabi / deep-voice-conversion

OSError: [Errno 12] Cannot allocate memory #111