No Algorithm Worked” Keras Error?

 https://stackoverflow.com/questions/59340465/how-to-solve-no-algorithm-worked-keras-error

 

 

root cause:  memory is not enough

 $ sudo kill -9 pid

 

 

File "/usr/local/lib/python3.6/dist-packages/keras/legacy/interfaces.py", line 91, in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/keras/engine/training.py", line 1418, in fit_generator
initial_epoch=initial_epoch)
File "/usr/local/lib/python3.6/dist-packages/keras/engine/training_generator.py", line 217, in fit_generator
class_weight=class_weight)
File "/usr/local/lib/python3.6/dist-packages/keras/engine/training.py", line 1217, in train_on_batch
outputs = self.train_function(ins)
File "/usr/local/lib/python3.6/dist-packages/keras/backend/tensorflow_backend.py", line 2715, in __call__
return self._call(inputs)
File "/usr/local/lib/python3.6/dist-packages/keras/backend/tensorflow_backend.py", line 2675, in _call
fetched = self._callable_fn(*array_vals)
File "/usr/local/lib/python3.6/dist-packages/tensorflow_core/python/client/session.py", line 1472, in __call__
run_metadata_ptr)
tensorflow.python.framework.errors_impl.NotFoundError: 2 root error(s) found.
(0) Not found: No algorithm worked!
[[{{node conv1_1/convolution}}]]
[[loss_1/add_48/_4259]]
(1) Not found: No algorithm worked!
[[{{node conv1_1/convolution}}]]
0 successful operations.
0 derived errors ignored.