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runtime: TestSetNonblock failures #60273

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gopherbot opened this issue May 17, 2023 · 8 comments
Closed

runtime: TestSetNonblock failures #60273

gopherbot opened this issue May 17, 2023 · 8 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. release-blocker
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@gopherbot
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#!watchflakes
post <- pkg == "runtime" && test == "TestSetNonblock"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestSetNonblock (0.00s)
    nbpipe_pipe_test.go:31: O_NONBLOCK not set in reader flags 0x4000c8

watchflakes

@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 17, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSetNonblock"
2023-05-17 18:18 darwin-amd64-10_15 go@93477f07 runtime.TestSetNonblock (log)
--- FAIL: TestSetNonblock (0.00s)
    nbpipe_pipe_test.go:31: O_NONBLOCK not set in reader flags 0x4000c8

watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label May 17, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSetNonblock"
2023-05-17 22:11 darwin-amd64-10_15 go@0b86a04d runtime.TestSetNonblock (log)
--- FAIL: TestSetNonblock (0.00s)
    nbpipe_pipe_test.go:31: O_NONBLOCK not set in reader flags 0x4000c8

watchflakes

@tklauser
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I can reproduce this reliably on darwin/amd64 with macOS 12.6. I think this is because of the fcntl changes in https://go.dev/cl/495075. I'm going to send a fix.

/cc @ianlancetaylor

@gopherbot
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Change https://go.dev/cl/496139 mentions this issue: runtime: don't consider positive fcntl return value an error on darwin/amd64

@bcmills
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bcmills commented May 18, 2023

This is a regression in Go 1.21 that can cause spurious errors within the runtime package, so marking as release-blocker.

@bcmills bcmills added this to the Go1.21 milestone May 18, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSetNonblock"
2023-05-19 20:19 darwin-amd64-10_15 go@656a20a5 runtime.TestSetNonblock (log)
--- FAIL: TestSetNonblock (0.00s)
    nbpipe_pipe_test.go:31: O_NONBLOCK not set in reader flags 0x4000c8

watchflakes

@ianlancetaylor
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Should be fixed now.

@ianlancetaylor ianlancetaylor closed this as not planned Won't fix, can't repro, duplicate, stale May 20, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSetNonblock"
2023-05-17 14:43 darwin-amd64-nocgo go@c890d40d runtime.TestSetNonblock (log)
--- FAIL: TestSetNonblock (0.00s)
    nbpipe_pipe_test.go:31: O_NONBLOCK not set in reader flags 0x4000c8

watchflakes

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Labels
compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. release-blocker
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