How to Classify Intermittent Test Failures

Gedare Bloom gedare at
Mon Feb 1 17:14:26 UTC 2021

On Mon, Feb 1, 2021 at 9:42 AM Joel Sherrill <joel at> wrote:

> Hi
> On the aarch64 qemu testing, we are seeing some tests which seem to pass
> most of the time but fail intermittently. It appears to be based somewhat
> on host load but there may be other factors.
There does not appear to be a good test results state for these. Marking
> them expected pass or fail means they will get flagged incorrectly
> sometimes.
Are they expected to pass every time?

Intermittent failures are suspicious, and there is limited value to running
a test that has an "intermittent failure" state, since it will always be
successful if you don't care if it passes or fails.

> I don't see not running them as a good option. Beyond adding a new state
> to reflect this oddity, any suggestions?
> --joel
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