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x/net/http2: TestServer failures with "write: broken pipe" on openbsd #52208

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bcmills opened this issue Apr 7, 2022 · 1 comment
Open

x/net/http2: TestServer failures with "write: broken pipe" on openbsd #52208

bcmills opened this issue Apr 7, 2022 · 1 comment
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arch-arm64 arch-mips NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-OpenBSD
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@bcmills
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bcmills commented Apr 7, 2022 •
edited 

--- FAIL: TestServer (10.64s)
    server_test.go:349: Error writing initial SETTINGS frame from client to server: write tcp 127.0.0.1:21462->127.0.0.1:34837: write: broken pipe
    server_test.go:267: Framer write log:
        2022-04-07 10:25:48.715770953 Framer 0xc001405500: wrote SETTINGS len=0
FAIL
FAIL	golang.org/x/net/http2	282.655s

greplogs --dashboard -md -l -e 'FAIL: TestServer .*(?:\n .*)*write: broken pipe'

2022-04-06T20:46:47-749bd19-81ae993/openbsd-mips64-jsing
2022-04-06T03:13:34-749bd19-5bb2628/openbsd-mips64-jsing
2022-02-08T15:30:12-cd36cc0-ef06a5f/openbsd-mips64-jsing
2021-09-12T16:46:58-a5e0955-ad97d20/openbsd-arm64-jsing

(attn @4a6f656c; CC @neild)

Since this only appears to affect certain OpenBSD builders, I plan to add a test skip and not follow up further.
@bcmills bcmills added OS-OpenBSD NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. arch-mips labels Apr 7, 2022
@bcmills bcmills added this to the Backlog milestone Apr 7, 2022
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Change https://go.dev/cl/398794 mentions this issue: http2: skip "write: broken pipe" failures in TestServer on OpenBSD

gopherbot pushed a commit to golang/net that referenced this issue Apr 7, 2022
@gopherbot
http2: skip "write: broken pipe" failures in TestServer on OpenBSD
aac1ed4 
This failure mode has been observed on openbsd/mips64 and
openbsd/arm64.

I have not diagnosed the precise root cause, but I suspect a platform
bug — perhaps a bad interaction with the relatively weakly-ordered
memory models on these CPUs.

For golang/go#52208.

Change-Id: I0ab0285cc395d22742ced8f28d5c9c3280fcd1e3
Reviewed-on: https://go-review.googlesource.com/c/net/+/398794
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
dteh pushed a commit to dteh/fhttp that referenced this issue Jun 22, 2022
@gopherbot
http2: skip "write: broken pipe" failures in TestServer on OpenBSD
46157cc 
This failure mode has been observed on openbsd/mips64 and
openbsd/arm64.

I have not diagnosed the precise root cause, but I suspect a platform
bug — perhaps a bad interaction with the relatively weakly-ordered
memory models on these CPUs.

For golang/go#52208.

Change-Id: I0ab0285cc395d22742ced8f28d5c9c3280fcd1e3
Reviewed-on: https://go-review.googlesource.com/c/net/+/398794
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
WeiminShang added a commit to WeiminShang/net that referenced this issue Nov 16, 2022
@WeiminShang @gopherbot
http2: skip "write: broken pipe" failures in TestServer on OpenBSD
9023ddc 
This failure mode has been observed on openbsd/mips64 and
openbsd/arm64.

I have not diagnosed the precise root cause, but I suspect a platform
bug — perhaps a bad interaction with the relatively weakly-ordered
memory models on these CPUs.

For golang/go#52208.

Change-Id: I0ab0285cc395d22742ced8f28d5c9c3280fcd1e3
Reviewed-on: https://go-review.googlesource.com/c/net/+/398794
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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