[llvm-dev] [lit] check-all hanging (original) (raw)

Dmitry Vyukov via llvm-dev llvm-dev at lists.llvm.org
Thu Jan 3 23🔞49 PST 2019

On Thu, Jan 3, 2019 at 11:54 PM Kuba Mracek <mracek at apple.com> wrote:

> On Jan 3, 2019, at 1:21 PM, David Greene via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Chandler Carruth via llvm-dev <llvm-dev at lists.llvm.org> writes: > >> What you're seeing is just the fact that lit is waiting on >> subprocesses (select is waiting on the pipes i suspect). > > Right. Some digging revealed that it is waiting on > getlinenohang.cc.tmp, a tsan test. > > I see that this test has been disabled for NetBSD, due to it sometimes > failing. I'm seeing the same on Linux. > > How can we stabilize the sanitizer tests so that check-all can work > reliably? If some sanitizer tests are so flaky, I should think they > should be marked UNSUPPORTED. Who has the authority to make those > determinations? Dmitry Vyukov does. CC'ing him.

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

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