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net/http: TestClientTimeoutCancel is flaky #34658

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bcmills opened this issue Oct 2, 2019 · 9 comments
Open

net/http: TestClientTimeoutCancel is flaky #34658

bcmills opened this issue Oct 2, 2019 · 9 comments
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@bcmills
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@bcmills bcmills commented Oct 2, 2019

From the linux-ppc64le-power9osu (https://build.golang.org/log/bc146619a7844f5eadaff5632418865af83dacf4):

--- FAIL: TestClientTimeoutCancel (0.00s)
    client_test.go:1353: error = read tcp 127.0.0.1:42466->127.0.0.1:40975: use of closed network connection; want errRequestCanceled
FAIL
FAIL	net/http	7.264s

CC @laboger @bradfitz
@bcmills bcmills added this to the Unplanned milestone Oct 2, 2019
@ceseo
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@ceseo ceseo commented Oct 2, 2019

I'll take a look.
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@ceseo ceseo commented Oct 2, 2019

I tried a standalone build in that system and can't reproduce. Can't reproduce in any of my POWER9 systems as well. Looks like it's one of those intermittent failures.
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@laboger laboger commented Oct 7, 2019

@ceseo I think you need to try and reproduce using GOMAXPROCS=2 since that is the number of processors on the build systems.
@odeke-em odeke-em mentioned this issue Oct 11, 2019
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@bcmills
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@bcmills bcmills commented Nov 8, 2019

2019-11-03T19:43:59-ab4a71f/windows-amd64-2008
@bcmills bcmills changed the title net/http: TestClientTimeoutCancel flake on linux-ppc64le-power9osu builder net/http: TestClientTimeoutCancel is flaky Nov 8, 2019
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@bcmills bcmills commented Nov 11, 2019

2019-11-11T12:40:04-f07059d/linux-amd64-jessie
2019-11-08T21:32:23-0bbcce9/windows-amd64-2012
2019-11-08T18:11:01-1fd3f8b/linux-mips-rtrk
@bcmills bcmills modified the milestones: Unplanned, Backlog Nov 11, 2019
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@bcmills bcmills commented Apr 9, 2020

https://storage.googleapis.com/go-build-log/90770a22/windows-amd64-2016_87869979.log
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@bcmills bcmills commented Apr 21, 2020

2020-04-21T00:38:14-12665b9/linux-amd64-longtest
2020-04-17T13:30:49-8ce21fa/linux-386-longtest
2020-03-25T19:14:38-fcb8f83/linux-amd64-longtest
2020-02-27T23:06:33-3061d89/freebsd-arm64-dmgk
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@bcmills bcmills commented Sep 14, 2020

2020-08-24T06:01:43-328214e/linux-amd64-jessie
2020-08-17T21:05:19-ba97be4/linux-amd64-staticlockranking
2020-06-03T14:51:34-5aaeda1/darwin-amd64-nocgo
@bcmills
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@bcmills bcmills commented Sep 14, 2020

Also https://storage.googleapis.com/go-build-log/d1511a2e/android-amd64-emu_dd85a88c.log (a TryBot).
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