[cctbxbb] dxtbx test failure

[markus.gerstel at diamond.ac.uk]

Hi Graeme,

As I said, the test in isolation takes about 3 seconds. Reruns on the same machine were fine. We had a similar timeout build failure on the same machine two days ago, which I haven't investigated.
Sounds to me like a possible race condition or reliance on random numbers leading to a non-converging loop somewhere. Test data are all local to the machine, so no network interference.

-Markus


-----Original Message-----
From: cctbxbb-bounces at phenix-online.org [mailto:cctbxbb-bounces at phenix-online.org] On Behalf Of Graeme.Winter at diamond.ac.uk
Sent: 25 March 2015 09:13
To: cctbxbb at phenix-online.org
Subject: Re: [cctbxbb] dxtbx test failure

HI Markus

If you run this test in isolation does it take as long? Quite possible someone has added a test file which is not properly interpreted by dxtbx but which takes a long time to find this out…

I’ll run the same to see if I can reproduce the error. Also could be a local issue, what happens if you rerun the tests?

Thanks Graeme

On 25 Mar 2015, at 09:06, markus.gerstel at diamond.ac.uk<mailto:markus.gerstel at diamond.ac.uk> wrote:

Hello everyone,

Our last nightly build on RHEL linux x64 failed because the test dxtbx/tests/tst_​dxtbx.py , which normally takes roughly 3 seconds to run on the build machine, ​got ​stuck for over 5 ​minutes. All the other tests (cctbx/scitbx/libtbx/iotbx/rstbx and remaining dxtbx) completed successfully.

Tests were run via libtbx.run_tests_parallel with nproc=4. As far as I can tell there is no debug output. The libtbx testing suite does not support timeouts like some timeout decorators on python unittest?
As far as I can tell tst_dxtbx.py at the moment runs 5 separate tests, so for future debugging it may make sense to split these up.

-Markus


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