[llvm-dev] [lit] check-all hanging

[David Greene via llvm-dev]

Dmitry Vyukov <dvyukov at google.com> writes:

> Are there any special repro instructions? I am running all tsan tests
> periodically on linux and none of them flakes.

I don't think I'm doing anything especially interesting.  I wonder if
lit parallelism has anything to do with it.  I tend to run quite wide
(32 or more).

I'm on SLES 12.2, kernel 4.4.21-69-default, x86_64 in case it matters.
I see this test hang pretty frequently.

                            -David