pytorch 1.7训练保存的模型在1.4低版本无法加载：frame #63: ＜unknown function＞ + 0x1db3e0 (0x55ba98ddd3e0 in /data/user

('/home/user1/model_best_b.') Traceback (most recent call last): File "/data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/IPython/core/", line 3417, in run_code exec(code_obj, self.user_global_ns, self.user_ns) File "<ipython-input-10-13d633918c2f>", line 1, in <module> ('/home/user1/pjs/fae/paper/ckpt/to_test/20201204175958/Arcface50_t4_bs50_bslr_0.001_fclr_0.01/model_best_bacc.') File "/data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/", line 527, in load with _open_zipfile_reader(f) as opened_zipfile: File "/data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/", line 224, in __init__ super(_open_zipfile_reader, self).__init__(torch._C.PyTorchFileReader(name_or_buffer)) RuntimeError: version_ <= kMaxSupportedFileFormatVersion INTERNAL ASSERT FAILED at /pytorch/caffe2/serialize/inline_container.cc:132, please report a bug to PyTorch. Attempted to read a PyTorch file with version 3, but the maximum supported version for reading is 2. Your PyTorch installation may be too old. (init at /pytorch/caffe2/serialize/inline_container.cc:132) frame #0: c10::Error::Error(c10::SourceLocation, std::string const&) + 0x33 (0x7f3deaa57193 in /data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/lib/) frame #1: caffe2::serialize::PyTorchStreamReader::init() + 0x1f5b (0x7f3d447949eb in /data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/lib/) frame #2: caffe2::serialize::PyTorchStreamReader::PyTorchStreamReader(std::string const&) + 0x64 (0x7f3d44795c04 in /data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/lib/) frame #3: <unknown function> + 0x6c6536 (0x7f3dcc2d4536 in /data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/lib/libtorch_python.so) frame #4: <unknown function> + 0x295a74 (0x7f3dcbea3a74 in /data/user1/pkgs/conda/envs/drc/lib/python3.7/site-packages/torch/lib/libtorch_python.so) frame #5: _PyMethodDef_RawFastCallDict + 0x24d (0x55ba98d39bfd in /data/user1/pkgs/conda/envs/drc/bin/python) frame #6: _PyCFunction_FastCallDict + 0x21 (0x55ba98d39d81 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #7: _PyObject_Call_Prepend + 0x63 (0x55ba98d37a73 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #8: PyObject_Call + 0x6e (0x55ba98d29fde in /data/user1/pkgs/conda/envs/drc/bin/python) frame #9: <unknown function> + 0xabddd (0x55ba98cadddd in /data/user1/pkgs/conda/envs/drc/bin/python) frame #10: _PyObject_FastCallKeywords + 0x128 (0x55ba98d7ff78 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #11: _PyEval_EvalFrameDefault + 0x5389 (0x55ba98dd2a39 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #12: _PyEval_EvalCodeWithName + 0x5da (0x55ba98d1766a in /data/user1/pkgs/conda/envs/drc/bin/python) frame #13: _PyFunction_FastCallDict + 0x1d5 (0x55ba98d184c5 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #14: _PyObject_Call_Prepend + 0x63 (0x55ba98d37a73 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #15: <unknown function> + 0x17d1ba (0x55ba98d7f1ba in /data/user1/pkgs/conda/envs/drc/bin/python) frame #16: _PyObject_FastCallKeywords + 0x128 (0x55ba98d7ff78 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #17: _PyEval_EvalFrameDefault + 0x4a96 (0x55ba98dd2146 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #18: _PyEval_EvalCodeWithName + 0x2f9 (0x55ba98d17389 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #19: _PyFunction_FastCallKeywords + 0x387 (0x55ba98d6b2b7 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #20: _PyEval_EvalFrameDefault + 0x4b39 (0x55ba98dd21e9 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #21: _PyEval_EvalCodeWithName + 0x2f9 (0x55ba98d17389 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #22: PyEval_EvalCodeEx + 0x44 (0x55ba98d182b4 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #23: PyEval_EvalCode + 0x1c (0x55ba98d182dc in /data/user1/pkgs/conda/envs/drc/bin/python) frame #24: <unknown function> + 0x1db30d (0x55ba98ddd30d in /data/user1/pkgs/conda/envs/drc/bin/python) frame #25: _PyMethodDef_RawFastCallKeywords + 0xe9 (0x55ba98d6b939 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #26: _PyCFunction_FastCallKeywords + 0x21 (0x55ba98d6bbd1 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #27: _PyEval_EvalFrameDefault + 0x47a4 (0x55ba98dd1e54 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #28: _PyGen_Send + 0x2a2 (0x55ba98d80f82 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #29: _PyEval_EvalFrameDefault + 0x1a76 (0x55ba98dcf126 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #30: _PyGen_Send + 0x2a2 (0x55ba98d80f82 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #31: _PyEval_EvalFrameDefault + 0x1a76 (0x55ba98dcf126 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #32: _PyGen_Send + 0x2a2 (0x55ba98d80f82 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #33: _PyMethodDef_RawFastCallKeywords + 0x8d (0x55ba98d6b8dd in /data/user1/pkgs/conda/envs/drc/bin/python) frame #34: _PyMethodDescr_FastCallKeywords + 0x4f (0x55ba98d7fdbf in /data/user1/pkgs/conda/envs/drc/bin/python) frame #35: _PyEval_EvalFrameDefault + 0x4c9d (0x55ba98dd234d in /data/user1/pkgs/conda/envs/drc/bin/python) frame #36: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #37: _PyEval_EvalFrameDefault + 0x416 (0x55ba98dcdac6 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #38: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #39: _PyEval_EvalFrameDefault + 0x690 (0x55ba98dcdd40 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #40: _PyEval_EvalCodeWithName + 0x2f9 (0x55ba98d17389 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #41: _PyFunction_FastCallKeywords + 0x387 (0x55ba98d6b2b7 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #42: _PyEval_EvalFrameDefault + 0x14d4 (0x55ba98dceb84 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #43: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #44: _PyEval_EvalFrameDefault + 0x690 (0x55ba98dcdd40 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #45: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #46: _PyEval_EvalFrameDefault + 0x690 (0x55ba98dcdd40 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #47: _PyEval_EvalCodeWithName + 0x2f9 (0x55ba98d17389 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #48: _PyFunction_FastCallKeywords + 0x325 (0x55ba98d6b255 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #49: _PyEval_EvalFrameDefault + 0x690 (0x55ba98dcdd40 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #50: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #51: _PyEval_EvalFrameDefault + 0x416 (0x55ba98dcdac6 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #52: _PyFunction_FastCallKeywords + 0xfb (0x55ba98d6b02b in /data/user1/pkgs/conda/envs/drc/bin/python) frame #53: _PyEval_EvalFrameDefault + 0x4b39 (0x55ba98dd21e9 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #54: _PyEval_EvalCodeWithName + 0x2f9 (0x55ba98d17389 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #55: PyEval_EvalCodeEx + 0x44 (0x55ba98d182b4 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #56: PyEval_EvalCode + 0x1c (0x55ba98d182dc in /data/user1/pkgs/conda/envs/drc/bin/python) frame #57: <unknown function> + 0x22c664 (0x55ba98e2e664 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #58: PyRun_FileExFlags + 0xa1 (0x55ba98e38a91 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #59: PyRun_SimpleFileExFlags + 0x1c3 (0x55ba98e38c83 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #60: <unknown function> + 0x237db5 (0x55ba98e39db5 in /data/user1/pkgs/conda/envs/drc/bin/python) frame #61: _Py_UnixMain + 0x3c (0x55ba98e39edc in /data/user1/pkgs/conda/envs/drc/bin/python) frame #62: __libc_start_main + 0xf0 (0x7f3df6c6e830 in /lib/x86_64-linux-gnu/.6) frame #63: <unknown function> + 0x1db3e0 (0x55ba98ddd3e0 in /data/user1/pkgs/conda/envs/drc/bin/python)