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Re: Rust, MAKE_JOBS, and "failed to spawn helper thread"

On Thu, 16 Sep 2021 14:00:58 +0000
nia <> wrote:

> Hi, anyone else seeing this failure when compiling Rust crates on NetBSD
> with a high number of parallel jobs? I see this for nearly every crate
> in my pbulk builds.

> thread 'rustc' panicked at 'failed to spawn helper thread: Os { code: 35, kind:
> WouldBlock, message: "Resource temporarily unavailable" }

Yep, I have seen it once or twice when building Firefox.
The tried and true method of running bmake again makes the build succeed.

> rustc-1.54.0-src/compiler/rustc_codegen_ssa/src/back/

This seems related to creating threads.
_lwp_create(2) can return EAGAIN if ulimit -r is exceeded.
I'd try to increase this limit and see if that helps.


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