[Crash fix]

theano/sandbox/cuda/blas.py

@@ -671,7 +671,7 @@ class GpuConv(GpuOp):
 
     def c_code_cache_version(self):
         # raise this whenever modifying any of the support_code_files
-        return (0, 20)
+        return (0, 21)
 
     def c_support_code_apply(self, node, nodename):
         # REMEMBER TO RAISE c_code_cache_version when changing any of

theano/sandbox/cuda/conv.cu

@@ -1018,6 +1018,7 @@ CudaNdarray_conv_full(const CudaNdarray *img, const CudaNdarray * kern,
         (version==3||version==4||version==5||version==-1) &&
         out_wid<=max_threads_dim0 &&//Maximum of X threads by block.x
         (kern_len+2*kern_len-2)*img_wid_padded*sizeof(float) + kern_size_byte<shared_avail && //their is only 16k of shared memory
+        (kern_len > 1 || (img_size_padded_byte+kern_size_byte)<=shared_avail) &&
         !work_complete) //conv_full_patch_stack_padded
     {
       //version 3 without split

theano/sandbox/cuda/tests/test_conv_cuda_ndarray.py

@@ -679,6 +679,7 @@ def test_full():
             #Test more than maxThreadsDim0
             , ((2,4,13,1050), (3,4,10, 11), (1, 1), (1, 1), (1, 1))
             , ((2,4,1050,13), (3,4,10, 11), (1, 1), (1, 1), (1, 1))
+            , ((1,1,44800,1), (6,1,1,1), (1, 1), (1, 1), (1, 1))#This caused crash
             ]
 
 #    shapes=shapes[:277]