[CMake] Weired behavior with CTest & Fedora 10 & g++ 4.3.2

[Bill Lorensen]

David,

I have a Fedora 9, ctest  2.6-patch 1 RC-11 and gcc 4.3.0 that
exhibits similar behavior. This is for the itk dashboard which has
about 1400 tests on over 30 platforms. I have only noticed this on
this one platform. Both tests segfault without any output. When I
rerun them manually, they pass.

Here's one example from last night where two tests fail:
http://www.cdash.org/CDash/testDetails.php?test=14056769&build=232080
http://www.cdash.org/CDash/testDetails.php?test=14056775&build=232080

The previous night I had two different tests fail:
http://www.cdash.org/CDash/testDetails.php?test=14002130&build=231405
http://www.cdash.org/CDash/testDetails.php?test=14002264&build=231405

Some of these build have tests that are truly failures, on all platforms.

All of the bogus failures only occur on this one platform. I was
assuming I had some memory errors or some other hardware thing going
on.

Maybe not...

Until your post I had not noticed that it is always 2 bogus failures.

Bill



On Wed, Dec 17, 2008 at 7:00 AM, David Graf <david.graf at 28msec.com> wrote:
> Hello
>
> We have a weired problem when we compile and test our software on Fedora 10
> with g++ 4.3.2.
> We have around 600 tests. When we execute these tests in one ctest run, two
> random tests always fail (without any regularity). We tested it on two
> different fedora installation with ctest 2.4 and 2.6. This strange behavior
> occurs on both machines.
> After some debugging, we observed that the failing tests do not produce any
> log output. Even when adding the std::cout out statements into the code, we
> do not get some output. We assume there is some bad interaction between
> Fedora 10 and ctest.
>
> Has someone noticed the same strange behavior?
>
> David
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