关于Theano和Tensorflow多GPU使用问题

THEANO_FLAGS="contexts=dev0->cuda0;dev1->cuda1,gpuarray.preallocate=0.95,mode=FAST_RUN,floatX=float32,on_unused_input=warn" python config.py

ERROR (theano.gof.opt): SeqOptimizer apply <theano.gpuarray.opt.GraphToGPU object at 0xdfe69210>
ERROR: SeqOptimizer apply <theano.gpuarray.opt.GraphToGPU object at 0xdfe69210>
ERROR (theano.gof.opt): Traceback:
ERROR: Traceback:
ERROR (theano.gof.opt): Traceback (most recent call last):
 File "/usr/lib/python2.7/site-packages/theano/gof/opt.py", line 235, in apply
  sub_prof = optimizer.optimize(fgraph)
 File "/usr/lib/python2.7/site-packages/theano/gof/opt.py", line 87, in optimize
  ret = self.apply(fgraph, *args, **kwargs)
 File "/usr/lib/python2.7/site-packages/theano/gpuarray/opt.py", line 322, in apply
  target = infer_context_name(*fgraph.inputs)
 File "/usr/lib/python2.7/site-packages/theano/gpuarray/basic_ops.py", line 122, in infer_context_name
  raise ValueError("Could not infer context from inputs")
ValueError: Could not infer context from inputs

import numpy as np
import cv2
path = r"C:\Users\X_man\Desktop\image\cat.jpg"
image = cv2.imread(path,0)
image = cv2.resize(image,(32,32))
image = cv2.cvtColor(image,cv2.COLOR_GRAY2BGR)
print(image.shape)