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x/build: netbsd-amd64-8_0 builder timing out frequently #31858

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bcmills opened this issue May 6, 2019 · 7 comments

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@bcmills
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commented May 6, 2019

@bsiegert

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commented May 6, 2019

I think it's just slowness. Maybe increasing the timeout helps?

@bradfitz

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commented May 6, 2019

@bsiegert, what makes you think that? I suspect the NetBSD port (or NetBSD) is buggy based on looking at historical data over the past month on this builder. The cgo_test has a 43.2 second median over 309 runes. And the cmd/compile/internal/types test is fast across all builders: 3.4 seconds on linux-amd64 at the slowest, 34.1 seconds on linux-arm on physical ARM hardware. js-wasm does it in 8.2 seconds. Why can't netbsd-amd64 do it in under 20 minutes?

So, no, I don't think it's just slowness.

@zoulasc

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commented May 11, 2019

Makes sense (that the problem lies with NetBSD or the NetBSD port). Is there a crash dump of where it is stuck?

@bradfitz

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commented May 16, 2019

@zoulasc, nope. Our build system just gives up on it and doesn't try to actively grab a stack. (which varies by OS, anyway) If you want to give me basic instructions for capturing some debug info we could probably wire it up to report that before failing.

@zoulasc

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commented May 17, 2019

I will setup a local build and try to reproduce it locally so I can give you something that works...

@bcmills bcmills closed this Jun 26, 2019

@bcmills bcmills reopened this Jun 26, 2019

@gopherbot

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commented Jul 7, 2019

Change https://golang.org/cl/185217 mentions this issue: env/netbsd-amd64: update to NetBSD 8.1

gopherbot pushed a commit to golang/build that referenced this issue Jul 8, 2019
env/netbsd-amd64: update to NetBSD 8.1
NetBSD 8.1 is a bugfix release on the stable (8) branch and has
a number of recommended updates and fixes.

Updates golang/go#31858

Change-Id: Id0f4a2180af1f84486aa6bc1c4406c5e8d5a0cb3
Reviewed-on: https://go-review.googlesource.com/c/build/+/185217
Reviewed-by: Andrew Bonventre <andybons@golang.org>
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