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runtime: TestSpuriousWakeupsNeverHangSemasleep failures #55202

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gopherbot opened this issue Sep 20, 2022 · 4 comments
Open

runtime: TestSpuriousWakeupsNeverHangSemasleep failures #55202

gopherbot opened this issue Sep 20, 2022 · 4 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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@gopherbot
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gopherbot commented Sep 20, 2022

#!watchflakes
post <- pkg == "runtime" && test == "TestSpuriousWakeupsNeverHangSemasleep"

Bug automatically created to track these flakes.

— 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 Sep 20, 2022
@gopherbot
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gopherbot commented Sep 20, 2022

Found new matching flaky dashboard failures for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSpuriousWakeupsNeverHangSemasleep"
2022-08-11 20:16 linux-amd64-race go@b648591b runtime.TestSpuriousWakeupsNeverHangSemasleep (log)
--- FAIL: TestSpuriousWakeupsNeverHangSemasleep (1.18s)
    semasleep_test.go:57: error reading from testprog: read |0: file already closed

watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Sep 20, 2022
@rsc
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rsc commented Sep 20, 2022

Stopped.

@rsc rsc closed this as completed Sep 20, 2022
@gopherbot gopherbot changed the title runtime: flaky TestSpuriousWakeupsNeverHangSemasleep runtime: TestSpuriousWakeupsNeverHangSemasleep failures Sep 20, 2022
@gopherbot
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gopherbot commented Nov 28, 2022

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestSpuriousWakeupsNeverHangSemasleep"
2022-11-23 00:25 linux-mipsle-rtrk go@753ad5e1 runtime.TestSpuriousWakeupsNeverHangSemasleep (log)
--- FAIL: TestSpuriousWakeupsNeverHangSemasleep (19.35s)
    semasleep_test.go:56: read from testprog stdout: ready
    semasleep_test.go:98: Program failed to return on time and has to be killed, issue #27520 still exists

watchflakes

@gopherbot gopherbot reopened this Nov 28, 2022
@mknyszek
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mknyszek commented Dec 7, 2022

Judging by the rate of failure, this doesn't seem particularly critical, but we should probably make the test less flaky in general. This seems like a scheduler test that should just be made less flaky, or disabled.

@mknyszek mknyszek added this to the Backlog milestone Dec 7, 2022
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Labels
compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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