Segmentation fault while testing

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Shaunak De

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Apr 15, 2015, 10:22:32 AM4/15/15
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I am following the LeNet tutorial and was successful in creating a modelfile. But when I try to test/use the model file I get the following error:

On running the command:
build/tools/caffe test -model '/home/shaunak/caffe/examples/mnist/lenet.prototxt' -weights '/home/shaunak/caffe/examples/mnist/lenet_iter_10000.caffemodel'

The program runs for certein iterations before crashing with a segmentation fault.

Full Output:
...
I0414 15:55:40.266703 39167 caffe.cpp:181] Batch 49, prob = 0.0313534
I0414 15:55:40.266715 39167 caffe.cpp:181] Batch 49, prob = 0.103324
I0414 15:55:40.266724 39167 caffe.cpp:181] Batch 49, prob = 0.0953514
I0414 15:55:40.266734 39167 caffe.cpp:181] Batch 49, prob = 0.0447483
I0414 15:55:40.266746 39167 caffe.cpp:181] Batch 49, prob = 0.109469
I0414 15:55:40.266755 39167 caffe.cpp:181] Batch 49, prob = 0.0129769
I0414 15:55:40.266765 39167 caffe.cpp:181] Batch 49, prob = 0.0313412
I0414 15:55:40.266775 39167 caffe.cpp:181] Batch 49, prob = 0.0611185
I0414 15:55:40.266787 39167 caffe.cpp:181] Batch 49, prob = 0.483696
I0414 15:55:40.266796 39167 caffe.cpp:181] Batch 49, prob = 0.0266215
I0414 15:55:40.266806 39167 caffe.cpp:181] Batch 49, prob = 0.0313534
I0414 15:55:40.266816 39167 caffe.cpp:181] Batch 49, prob = 0.103324
I0414 15:55:40.266827 39167 caffe.cpp:181] Batch 49, prob = 0.0953514
I0414 15:55:40.266837 39167 caffe.cpp:181] Batch 49, prob = 0.0447483
I0414 15:55:40.266847 39167 caffe.cpp:181] Batch 49, prob = 0.109469
I0414 15:55:40.266857 39167 caffe.cpp:181] Batch 49, prob = 0.0129769
I0414 15:55:40.266868 39167 caffe.cpp:181] Batch 49, prob = 0.0313412
I0414 15:55:40.266882 39167 caffe.cpp:181] Batch 49, prob = 0.0611185
I0414 15:55:40.266893 39167 caffe.cpp:181] Batch 49, prob = 0.483696
I0414 15:55:40.266904 39167 caffe.cpp:181] Batch 49, prob = 0.0266215
I0414 15:55:40.266922 39167 caffe.cpp:181] Batch 49, prob = 0.0313534
I0414 15:55:40.266963 39167 caffe.cpp:181] Batch 49, prob = 0.103324
I0414 15:55:40.266989 39167 caffe.cpp:181] Batch 49, prob = 0.0953514
I0414 15:55:40.267001 39167 caffe.cpp:181] Batch 49, prob = 0.0447483
I0414 15:55:40.267026 39167 caffe.cpp:181] Batch 49, prob = 0.109469
I0414 15:55:40.267052 39167 caffe.cpp:181] Batch 49, prob = 0.0129769
I0414 15:55:40.267067 39167 caffe.cpp:181] Batch 49, prob = 0.0313412
I0414 15:55:40.267078 39167 caffe.cpp:181] Batch 49, prob = 0.0611185
I0414 15:55:40.267091 39167 caffe.cpp:181] Batch 49, prob = 0.483696
I0414 15:55:40.267102 39167 caffe.cpp:181] Batch 49, prob = 0.0266215
I0414 15:55:40.267112 39167 caffe.cpp:181] Batch 49, prob = 0.0313534
I0414 15:55:40.267124 39167 caffe.cpp:181] Batch 49, prob = 0.103324
I0414 15:55:40.267135 39167 caffe.cpp:181] Batch 49, prob = 0.0953514
I0414 15:55:40.267146 39167 caffe.cpp:181] Batch 49, prob = 0.0447483
I0414 15:55:40.267158 39167 caffe.cpp:181] Batch 49, prob = 0.109469
I0414 15:55:40.267169 39167 caffe.cpp:181] Batch 49, prob = 0.0129769
I0414 15:55:40.267180 39167 caffe.cpp:181] Batch 49, prob = 0.0313412
I0414 15:55:40.267192 39167 caffe.cpp:181] Batch 49, prob = 0.0611185
I0414 15:55:40.267213 39167 caffe.cpp:181] Batch 49, prob = 0.483696
I0414 15:55:40.267253 39167 caffe.cpp:181] Batch 49, prob = 0.0266215
I0414 15:55:40.267280 39167 caffe.cpp:181] Batch 49, prob = 0.0313534
I0414 15:55:40.267293 39167 caffe.cpp:181] Batch 49, prob = 0.103324
I0414 15:55:40.267341 39167 caffe.cpp:181] Batch 49, prob = 0.0953514
I0414 15:55:40.267355 39167 caffe.cpp:181] Batch 49, prob = 0.0447483
I0414 15:55:40.267400 39167 caffe.cpp:181] Batch 49, prob = 0.109469
I0414 15:55:40.267415 39167 caffe.cpp:181] Batch 49, prob = 0.0129769
I0414 15:55:40.267426 39167 caffe.cpp:181] Batch 49, prob = 0.0313412
I0414 15:55:40.267437 39167 caffe.cpp:186] Loss: 0
I0414 15:55:40.267458 39167 caffe.cpp:198] prob = 0.0611185
I0414 15:55:40.267479 39167 caffe.cpp:198] prob = 0.483696 (* 1.13505e-43 = 5.46506e-44 loss)
*** Aborted at 1429052140 (unix time) try "date -d @1429052140" if you are using GNU date ***
PC: @           0x405764 test()
*** SIGSEGV (@0x6d99320) received by PID 39167 (TID 0x7f1ac86caa40) from PID 114922272; stack trace: ***
    @     0x7f1ac7592d40 (unknown)
    @           0x405764 test()
    @           0x4048f1 main
    @     0x7f1ac757dec5 (unknown)
    @           0x404e9d (unknown)
Segmentation fault (core dumped)

Shaunak De

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Apr 15, 2015, 11:58:31 AM4/15/15
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Solved the problem. I was using the wrong model definition.

 build/tools/caffe test -model '/home/shaunak/caffe/examples/mnist/lenet_train_test.prototxt' -weights '/home/shaunak/caffe/examples/mnist/lenet_iter_10000.caffemodel'
 
works

Antonio Paes

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May 3, 2015, 6:26:48 PM5/3/15
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Hey man, i'm got this same error, but in imagenet tutorial, any idea?

Thans.
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