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os: TestClosedPipeRaceWrite fails on solaris-amd64-smartosbuildlet #27566

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tklauser opened this issue Sep 8, 2018 · 7 comments
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os: TestClosedPipeRaceWrite fails on solaris-amd64-smartosbuildlet #27566

tklauser opened this issue Sep 8, 2018 · 7 comments
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Builders x/build issues (builders, bots, dashboards) FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Solaris release-blocker
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Go1.12

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@tklauser
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tklauser commented Sep 8, 2018 

--- FAIL: TestClosedPipeRaceWrite (0.00s)
    pipe_test.go:140: using pipe write limit of 65537
    pipe_test.go:176: I/O on closed pipe unexpectedly succeeded
panic: Fail in goroutine after TestClosedPipeRaceWrite has completed

https://build.golang.org/log/ecf3e947caaa3976539a524f6b63f12fac0ea3a4

It used to pass occasionally in the past, but now it seems to fail on every build.

FWIW, PIPE_BUF is 512 on illumos/SmartOS: https://github.com/illumos/illumos-gate/blob/b075503f221374dd0495c40e8811d229cb9fdc74/usr/src/head/limits.h#L97

/cc @ianlancetaylor
@tklauser tklauser added OS-Solaris NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. labels Sep 8, 2018
@ianlancetaylor ianlancetaylor added this to the Go1.12 milestone Sep 8, 2018
@ianlancetaylor
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Does it fail in 1.11 or only on tip?

@tklauser
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tklauser commented Sep 8, 2018

It also fails on 1.11

@tklauser tklauser mentioned this issue Sep 25, 2018
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@bradfitz
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I suspect there are just spinning processes in the background.

That builder isn't created & destroyed per build (in either a container or VM). It's just a process running in a loop.

/cc @dmitshur

@bradfitz bradfitz added the Builders x/build issues (builders, bots, dashboards) label Sep 25, 2018
@gopherbot
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Change https://golang.org/cl/138255 mentions this issue: env/solaris-amd64/joyent: add more ssh/key info

@bradfitz
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I logged into our two Joyent SmartOS VMs and they seem fine. (nothing obviously spinning or disks full, etc)

gopherbot pushed a commit to golang/build that referenced this issue Oct 2, 2018
@bradfitz
env/solaris-amd64/joyent: add more ssh/key info
452a194 
Updates golang/go#27566

Change-Id: I5b306fb5832bdfad564c52df5b8ceb7ff7025bd0
Reviewed-on: https://go-review.googlesource.com/138255
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
@tklauser
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tklauser commented Dec 4, 2018

Seems to be fixed by https://golang.org/cl/152164 but the commit message did not reference this issue. Thus closing manually.

@tklauser tklauser closed this as completed Dec 4, 2018
@ianlancetaylor
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Thanks. Sorry about that. I should have checked for an open issue.

@golang golang locked and limited conversation to collaborators Dec 5, 2019
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