George Colpitts <george.colpi...@gmail.com> writes:

> Hi Ben
>
> I built from source and ran the tests on my Mac and found some
> problems. I'm not sure if the failing tests have been ran successfully
> by others on this platform. I did "make slowtest". Maybe the problem
> only happens on my machine.
>
Currently Harbormaster only runs `make test`, not `make slowtest`.
Consequently, `slowtest` is generally rather broken, even on Linux.
Every once in a while I look at it and try to pare down the failures,
but it's an up-hill battle.

> I'm new to running the testsuite and not sure how the sleep settings on my
> computer affect long running computations.
>
>    - If I want to run a long running test such as "make slowtest" overnight
>    will my computer go to sleep preventing the test from running? i.e. should
>    I invoke it with something like "caffeinate -i make slowtest" ?
>
That sounds right to me.

> I almost didn't run the tests assuming they had been run as part of the
> release process but then I guessed that maybe slowtest had not been run. It
> would be a pain but would it be worth documenting which tests had been run
> on which platforms?
>
I currently don't validate the binary distribution tarballs. Instead I
judge validation state from Harbormaster's testing of the ghc-8.2
branch.

Over the summer we intend on revamping our CI infrastructure, which
should make it easier to do nightly runs of slowtest (and perhaps
provide nightly or even per-commit binary distributions).

> I assume I should file a bug for the following?
>
That would be great. I had a quick look at this and it looks quite
likely that the simplifier is looping: even -fsimpl-tick-factor=1000
doesn't succeed. This looks like a real regression.

Cheers,

- Ben

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