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net: failure with "limit on … simultaneously alive goroutines is exceeded" on darwin-amd64-race builder #38184

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bcmills opened this issue Mar 31, 2020 · 4 comments

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@bcmills
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@bcmills bcmills commented Mar 31, 2020

2020-03-31T18:10:56-2d77d33/darwin-amd64-race

race: limit on 8128 simultaneously alive goroutines is exceeded, dying
FAIL	net	14.688s
FAIL
go tool dist: Failed: exit status 1

This is the first I've seen this error.

@ianlancetaylor
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@ianlancetaylor ianlancetaylor commented Mar 31, 2020

For those who don't know, the error message is from the race detector.

https://github.com/llvm/llvm-project/blob/master/compiler-rt/lib/sanitizer_common/sanitizer_thread_registry.cpp#L152

@jarreds
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@jarreds jarreds commented Jun 11, 2021

Seeing this error as well. I realize the test suite that's generating this is pretty extraordinary, but it would be great to have a knob we can turn to enable a higher number.

@ianlancetaylor
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@ianlancetaylor ianlancetaylor commented Jun 11, 2021

@jarreds The race detector code is maintained as part of LLVM, outside of the Go project. That would be the place to ask.

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