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net/http: apparent deadlock in TestServerGracefulClose on solaris and illumos #36178

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bcmills opened this issue Dec 17, 2019 · 4 comments
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net/http: apparent deadlock in TestServerGracefulClose on solaris and illumos #36178

bcmills opened this issue Dec 17, 2019 · 4 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-illumos OS-Solaris WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
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@bcmills
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bcmills commented Dec 17, 2019 •
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#!watchflakes
post <- pkg == "net/http" && test == "TestServerGracefulClose" && `panic: test timed out`

2019-12-16T20:38:31-f7f9866/illumos-amd64
2019-11-04T15:18:34-d3660e8/illumos-amd64
2019-10-04T20:09:41-60dc159/illumos-amd64-joyent

goroutine 7503 [IO wait, 2 minutes]:
internal/poll.runtime_pollWait(0xfffffbffeecafb48, 0x77, 0xc001c1dca0)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/runtime/netpoll.go:203 +0x6d
internal/poll.(*pollDesc).wait(0xc0001ed118, 0x77, 0x470300, 0x4fc360, 0xffffffffffffffff)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/poll/fd_poll_runtime.go:87 +0x45
internal/poll.(*pollDesc).waitWrite(...)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/poll/fd_poll_runtime.go:96
internal/poll.(*FD).Write(0xc0001ed100, 0xc001b8e000, 0x50003b, 0x58c000, 0x0, 0x0, 0x0)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/poll/fd_unix.go:276 +0x290
net.(*netFD).Write(0xc0001ed100, 0xc001b8e000, 0x50003b, 0x58c000, 0xc000227f48, 0xc000054228, 0xc000054220)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/net/fd_unix.go:220 +0x4f
net.(*conn).Write(0xc000180020, 0xc001b8e000, 0x50003b, 0x58c000, 0x0, 0x0, 0x0)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/net/net.go:196 +0x8e
net/http_test.TestServerGracefulClose.func2(0xa5cc40, 0xc000180020, 0xc001b8e000, 0x50003b, 0x58c000, 0xc00032c3c0)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/net/http/serve_test.go:3100 +0x5b
created by net/http_test.TestServerGracefulClose
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/net/http/serve_test.go:3099 +0x35e

CC @bradfitz @ianlancetaylor @jclulow
@bcmills bcmills added NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-illumos labels Dec 17, 2019
@bcmills bcmills added this to the Backlog milestone Dec 17, 2019
@bcmills bcmills changed the title net/http: apparent deadlock in TestServerGracefulClose on illumos-amd64 builder net/http: apparent deadlock in TestServerGracefulClose on illumos-amd64 builder Dec 17, 2019
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bcmills commented May 6, 2022

greplogs -l -e 'goroutine \d+ \[.*, \d+ minutes\]:\n(.+\n\t.*\n)*net\.\(\*conn\)\.Write.*\n\t.+\nnet/http_test\.TestServerGracefulClose'
2022-05-05T01:32:18-b922055/solaris-amd64-oraclerel
2021-09-23T15:51:39-24c2ee7/illumos-amd64
2020-12-03T19:02:05-9b0e8a2/illumos-amd64
2019-12-16T20:38:31-f7f9866/illumos-amd64
2019-11-04T15:18:34-d3660e8/illumos-amd64
2019-10-04T20:09:41-60dc159/illumos-amd64-joyent

@bcmills
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bcmills commented May 6, 2022 •
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(CC @rorth @neild)

@bcmills bcmills changed the title net/http: apparent deadlock in TestServerGracefulClose on illumos-amd64 builder net/http: apparent deadlock in TestServerGracefulClose on solaris and illumos May 6, 2022
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bcmills commented May 6, 2022

This test appears to be another regression test related to #3595.
(See also #51104.)

@bcmills bcmills mentioned this issue Aug 29, 2022
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@bcmills bcmills mentioned this issue Dec 6, 2022
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@bcmills bcmills added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Sep 11, 2023
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@gopherbot gopherbot closed this as not planned Won't fix, can't repro, duplicate, stale Oct 11, 2023
@golang golang locked and limited conversation to collaborators Oct 10, 2024
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-illumos OS-Solaris WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
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