tests that fail

[dhanya.d...@gmail.com]

Hi Chris,

Here are the tests that failed for me. I think I still need the triangulation to work.

The following tests FAILED:
13 - find_polynomial_roots_jenkins_traub_test (Failed)
16 - normalized_graph_cut_test (Failed)
42 - estimate_triangulation_test (Failed)
46 - extract_maximally_parallel_rigid_subgraph_test (SEGFAULT)
49 - filter_view_pairs_from_relative_translation_test (SEGFAULT)
53 - least_unsquared_deviation_position_estimator_test (Failed)
62 - hybrid_reconstruction_estimator_test (SEGFAULT)
63 - incremental_reconstruction_estimator_test (SEGFAULT)
88 - twoview_info_test (SEGFAULT)
93 - exhaustive_ransac_test (Failed)
94 - exhaustive_sampler_test (Failed)

Thx
Dhanya

[Chris Sweeney]

It seems likely that something is not set up correctly if you are seeing this many segfaults. Could you please send me the output of the twoview_info test? The command will be something like:

./bin/twoview_info_test --logtostderr --v=2

Make sure you have the flags as this will output some debug information to the screen.

Chris

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[luhp...@gmail.com]

Hi Chris,
I have some tests failed like Dhanya had listed(except 42, 93, 94).

The following tests FAILED:
13 - find_polynomial_roots_jenkins_traub_test (Failed)
16 - normalized_graph_cut_test (Failed)

46 - extract_maximally_parallel_rigid_subgraph_test (SEGFAULT)
49 - filter_view_pairs_from_relative_translation_test (SEGFAULT)
53 - least_unsquared_deviation_position_estimator_test (Failed)
62 - hybrid_reconstruction_estimator_test (SEGFAULT)
63 - incremental_reconstruction_estimator_test (SEGFAULT)
88 - twoview_info_test (SEGFAULT)

And I follow your instructions to run twoview_info test. Here is the output:

I0321 16:16:08.768807 2950554432 test_main.cc:48] Running tests with logs enabled.
[==========] Running 4 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 4 tests from TwoViewInfo
[ RUN ] TwoViewInfo.SwapCameras
Segmentation fault: 11

I'm not sure whether these failed tests will affect the operation of the Theia.

Thanks a lot.
Haopeng Lu

[Chris Sweeney]

Are you synced to the master? I am not sure why segfaults are happening for some users on these simple tests. This will definitely cause the SfM pipeline to fail.

Chris

[luhp...@gmail.com]

Chris:
Thanks for your reply!

I've tried the whole process again, but nothing has changed.
I noticed that when I run 「cmake ..」 , it couldn't found OpenMP library:

-- Could NOT find OpenMP_C (missing: OpenMP_C_FLAGS OpenMP_C_LIB_NAMES)
-- Could NOT find OpenMP_CXX (missing: OpenMP_CXX_FLAGS OpenMP_CXX_LIB_NAMES)
-- Could NOT find OpenMP (missing: OpenMP_C_FOUND OpenMP_CXX_FOUND)
CMake Warning at libraries/flann/CMakeLists.txt:127 (message):
OpenMP NOT found

And I've tried several methods to install the openMP library, but it still doesn't work.
Would this error lead to the failure of tests?

[Dhanya Devarajan]

Thank you Lu for CCing me on this.

Do keep me in the loop if you find a solution. There are many algorithms here that I use repeatedly, but currently resolving to other libraries because of these segmentation faults.

Dhanya

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[Chris Sweeney]

The problem is that I cannot replicate these segfaults on my own machines (mac or linux). If you are able to debug them and provide a fix, that would be the best solution.

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