net/http: timeout in TestServerHijackGetsBackgroundByte_big

[mknyszek]

#!watchflakes
post <- pkg == "net/http" && test == "TestServerHijackGetsBackgroundByte_big" && log ~ `panic: test timed out`

2022-09-02T18:51:37-5b1fbfb/darwin-arm64-12

CC @neild

[bcmills]

Given that it's darwin/arm64, could be related to #37795/#50254 and/or #54529?

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerHijackGetsBackgroundByte_big"

2022-09-02 18:51 darwin-arm64-12 go@5b1fbfba net/http.TestServerHijackGetsBackgroundByte_big (log)

panic: test timed out after 3m0s

runtime.gopark(0x103176fa0?, 0x0?, 0x0?, 0x0?, 0x102a5eb30?)
	/tmp/buildlet/go/src/runtime/proc.go:363 +0xe4 fp=0x140002c0dd0 sp=0x140002c0db0 pc=0x1029fff94
runtime.chanrecv(0x140003323c0, 0x0, 0x1)
	/tmp/buildlet/go/src/runtime/chan.go:583 +0x45c fp=0x140002c0e60 sp=0x140002c0dd0 pc=0x1029ce8cc
runtime.chanrecv1(0x1400072c020?, 0x1400072c020?)
	/tmp/buildlet/go/src/runtime/chan.go:442 +0x14 fp=0x140002c0e90 sp=0x140002c0e60 pc=0x1029ce434
net/http_test.TestServerHijackGetsBackgroundByte_big(0x1400040a4e0)
	/tmp/buildlet/go/src/net/http/serve_test.go:6028 +0x29c fp=0x140002c0f60 sp=0x140002c0e90 pc=0x102d105bc
testing.tRunner(0x1400040a4e0, 0x102efd308)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerHijackGetsBackgroundByte_big"

2023-02-06 13:49 darwin-amd64-race go@bf8d142b net/http.TestServerHijackGetsBackgroundByte_big (log)

==================
WARNING: DATA RACE
Write at 0x00c0019b0000 by goroutine 18046:
  net/http_test.neverEnding.Read()
      /tmp/buildlet/go/src/net/http/serve_test.go:3010 +0x6f
  net/http_test.(*neverEnding).Read()
      <autogenerated>:1 +0x1f
  io.copyBuffer()
      /tmp/buildlet/go/src/io/io.go:428 +0x2c8
  io.Copy()
...
  net/http.(*http2Server).ServeConn()
      /tmp/buildlet/go/src/net/http/h2_bundle.go:4270 +0x183d
  net/http.http2ConfigureServer.func1()
      /tmp/buildlet/go/src/net/http/h2_bundle.go:4060 +0x11e
  net/http.(*conn).serve()
      /tmp/buildlet/go/src/net/http/server.go:1892 +0x1c01
  net/http.(*Server).Serve.func3()
      /tmp/buildlet/go/src/net/http/server.go:3078 +0x4f
==================
--- FAIL: TestServerHijackGetsBackgroundByte_big (0.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestServerHijackGetsBackgroundByte_big"

2023-02-10 15:04 freebsd-amd64-race go@79e01ab7 net/http.TestServerHijackGetsBackgroundByte_big (log)

--- FAIL: TestServerHijackGetsBackgroundByte_big (0.00s)

— watchflakes