hello , i got a segmentation fault when extracting features i dont know how can i solve this problem. caffe-master> ./extract_features models/bvlc_reference_caffenet/bvlc_reference_caffenet.caffemodel examples/_temp/imagenet_val.prototxt fc8 examples/_temp/features 10 leveldb GPU E0705 15:04:16.180382 6323 extract_features.cpp:52] Using GPU E0705 15:04:16.180963 6323 extract_features.cpp:58] Using Device_id=0 Segmentation fault thanks in advance.