[Insight-developers] HDF5 Testing Failures -- a solution! (?)

[Bill Lorensen]

I just verified intermittent failures on my linux build if I ctest -j 2

Kent, the good news is that you found it...

Bill

On Thu, Jun 9, 2011 at 11:48 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> Kent,
>
> This makes a lot of sense.
>
> If this fixes it, then I say its in the top two, not top five. Too bad
> you are not coming to the Chapel Hill meeting. If you were, you would
> be buying...
>
> Bill
>
> On Thu, Jun 9, 2011 at 11:43 AM, Williams, Norman K
> <norman-k-williams at uiowa.edu> wrote:
>> I think I know what's going on and have pushed a patch:
>>
>>
>> The machines failing are testing concurrently, and the two HDF ImageIO
>> tests are using the same filenames, so if the two tests run at the same
>> time, they can step on each other's files!
>>
>> In the history of times I've felt stupid, this is definitely top 5 for the
>> year.
>>
>> I have pushed a patch: http://review.source.kitware.com/#change,1843
>>
>> On 6/8/11 6:37 PM, "Bill Lorensen" <bill.lorensen at gmail.com> wrote:
>>
>>>One or two days of passing tests on a platform is not enough. Prior to
>>>the upgrade of hdf5, the two hdf5 tests failed intermittently on some
>>>machines. After a few days, we can look back and see if this is still
>>>happening.
>>>
>>>Bikll
>>>
>>>On Wed, Jun 8, 2011 at 9:44 AM, Williams, Norman K
>>><norman-k-williams at uiowa.edu> wrote:
>>>> There are a lot of builds that fail, and they all (save one) have
>>>> something in common.  The test writes a file, but then cannot read it --
>>>> either it fails to open or it fails to read the first dataset.
>>>>
>>>>
>>>> I verified that the tests do in fact close the file they've created.
>>>>
>>>> I also notice that for many systems that fail, very similar systems
>>>> succeed.
>>>>
>>>> I can add a test that attempts to read a known-good image, and see if
>>>>that
>>>> fails as well.
>>>>
>>>> I've been loading up VMs in virtual boxes that are, where possible1 as
>>>> close as possible to the failing systems.  So far no failures.
>>>>
>>>> As I've said before, if someone can give me an account on any of the
>>>> machines with failures I'll gladly investigate.
>>>>
>>>> On 6/8/11 6:47 AM, "Brad King" <brad.king at kitware.com> wrote:
>>>>
>>>>>On 06/07/2011 10:51 AM, Brad King wrote:
>>>>>> On 06/04/2011 12:02 PM, Bill Lorensen wrote:
>>>>>>> Looks like an uninitialized variable somewhere? valgrind does not
>>>>>>> catch them all... Maybe you should run cppcheck on the HDF5
>>>>>>>thirdparty
>>>>>>> code.
>>>>>>
>>>>>> At Kent's request I've updated the HDF5 snapshot to version 1.8.7 from
>>>>>> upstream.  I manually built and tested it on Linux with GCC and
>>>>>>Windows
>>>>>> with MinGW and VS 9 tools.  We should all keep an eye out for new
>>>>>> warnings.
>>>>>>
>>>>>> The commit range of the changes is "e1f9e848..b76ce0bd".
>>>>>
>>>>>Well, there are quite a few places that the HDF5 tests now fail:
>>>>>
>>>>>http://www.cdash.org/CDash/testSummary.php?project=2&name=itkHDF5ImageIO
>>>>>Te
>>>>>st&date=2011-06-07
>>>>>http://www.cdash.org/CDash/testSummary.php?project=2&name=itkHDF5ImageIO
>>>>>St
>>>>>reamingReadWriteTest&date=2011-06-07
>>>>>
>>>>>However, they pass on all the Kitware machines and on all my own builds
>>>>>(except itkHDF5ImageIOTest on factory.kitware fails for an unrelated
>>>>> reason).
>>>>>
>>>>>Can anyone with a machine where it fails investigate, please?
>>>>>
>>>>>Thanks,
>>>>>-Brad
>>>>
>>>>
>>>>
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>>
>>
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