[vtk-developers] Non-reproducable test failure

[Sean McBride]

On Wed, 17 Aug 2016 11:19:35 -0400, David Cole said:

>Does this test access some resource that is also accessed by another
>test which is likely to be running at the same time? Does it only fail
>when that resource is held/blocked by the other test...?

Note that I'm only running 1 test, that is, the *same* test in parallel with itself.  So if it's a contention issue, it's with itself.

Sean

>Should it have the RUN_SERIAL flag? (or a test dependency...?)
>
>
>
>On Wed, Aug 17, 2016 at 11:05 AM, Sean McBride <sean at rogue-research.com>
>wrote:
>> On Wed, 17 Aug 2016 10:35:05 -0400, Shawn Waldon said:
>>
>>>One of the things I tried was running the tests with -j5.  I still couldn't
>>>get it to fail.
>>
>> So I just tried this shell script:
>>
>> for run in {1..30}
>> do
>>   ctest -R vtkRenderingVolumeCxx-TestRemoveVolumeNonCurrentContext &
>> done
>>
>> and now it repros fairly often.  Maybe that'll work on your machine too...