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

David Greene via llvm-dev llvm-dev at lists.llvm.org
Fri Jan 4 08:54:56 PST 2019

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.


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