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x/net/http2: some tests are hanging on Plan 9 #35904

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fhs opened this issue Nov 29, 2019 · 1 comment

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@fhs
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@fhs fhs commented Nov 29, 2019

Some tests are hanging and then timing out on the builder (see https://build.golang.org/log/e8cfde2d4ead686a8f9bb892621c1394d7505bce and below). This is due to plan9 not supporting CloseWrite on TCP connections. I think we should also call Close on the connection on plan9, so that tests don't hang and waste time on the builder.

panic: test timed out after 10m0s

goroutine 109237 [running]:
testing.(*M).startAlarm.func1()
	/tmp/workdir-gnot/go/src/testing/testing.go:1422 +0xca
created by time.goFunc
	/tmp/workdir-gnot/go/src/time/sleep.go:168 +0x36

goroutine 1 [chan receive, 8 minutes]:
testing.(*T).Run(0x10c8cdc0, 0x405c09, 0x25, 0x4181dc, 0x301)
	/tmp/workdir-gnot/go/src/testing/testing.go:1006 +0x2cb
testing.runTests.func1(0x10c8c140)
	/tmp/workdir-gnot/go/src/testing/testing.go:1247 +0x59
testing.tRunner(0x10c8c140, 0x10c2cefc)
	/tmp/workdir-gnot/go/src/testing/testing.go:954 +0xb3
testing.runTests(0x10c16140, 0x72c940, 0x132, 0x132, 0x0)
	/tmp/workdir-gnot/go/src/testing/testing.go:1245 +0x22c
testing.(*M).Run(0x10c441c0, 0x0)
	/tmp/workdir-gnot/go/src/testing/testing.go:1162 +0x113
main.main()
	_testmain.go:668 +0x103

goroutine 104722 [chan receive, 8 minutes]:
golang.org/x/net/http2.(*clientTester).run(0x10c56300)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:768 +0xf5
golang.org/x/net/http2.testTransportReqBodyAfterResponse(0x10c8cdc0, 0xc8)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:930 +0xe8
golang.org/x/net/http2.TestTransportReqBodyAfterResponse_200(0x10c8cdc0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:826 +0x28
testing.tRunner(0x10c8cdc0, 0x4181dc)
	/tmp/workdir-gnot/go/src/testing/testing.go:954 +0xb3
created by testing.(*T).Run
	/tmp/workdir-gnot/go/src/testing/testing.go:1005 +0x2ac

goroutine 67 [syscall, 9 minutes]:
syscall.Syscall(0xe, 0x10c5aa60, 0x0, 0x0, 0x13, 0x0, 0x0, 0x20)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:22 +0xb
syscall.open(0x10c5aa40, 0x12, 0x0, 0x0, 0x114eb0, 0x72e5f0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:61 +0x7a
syscall.Open(0x10c5aa40, 0x12, 0x0, 0x72e5f0, 0x418884, 0x114d02)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:382 +0x6c
os.openFileNolog(0x10c5aa40, 0x12, 0x0, 0x0, 0x2, 0x10c5aa40, 0x12)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:113 +0x28f
os.OpenFile(0x10c5aa40, 0x12, 0x0, 0x0, 0x7, 0x10c5aa40, 0x12)
	/tmp/workdir-gnot/go/src/os/file.go:303 +0x50
os.Open(...)
	/tmp/workdir-gnot/go/src/os/file.go:283
net.(*netFD).acceptPlan9(0x10c5eee0, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/ipsock_plan9.go:250 +0x117
net.(*TCPListener).accept(0x10c16440, 0x29db41, 0x10c44280, 0x0)
	/tmp/workdir-gnot/go/src/net/tcpsock_plan9.go:48 +0x26
net.(*TCPListener).Accept(0x10c16440, 0x418884, 0x262104, 0x497e60, 0x10ce4200)
	/tmp/workdir-gnot/go/src/net/tcpsock.go:261 +0x5d
crypto/tls.(*listener).Accept(0x10c16c00, 0x10ceff44, 0xc, 0x10c008c0, 0x2665c8)
	/tmp/workdir-gnot/go/src/crypto/tls/tls.go:55 +0x29
net/http.(*Server).Serve(0x10c593b0, 0x495270, 0x10c16c00, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/http/server.go:2901 +0x1ea
net/http/httptest.(*Server).goServe.func1(0x10c44280)
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:308 +0x5b
created by net/http/httptest.(*Server).goServe
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:306 +0x4b

goroutine 81 [chan receive, 9 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x10c5f180, 0x10cd70d8, 0x10ce06c0, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x10c5f180, 0x10ce06c0, 0x205, 0x205, 0x0, 0x7aa724, 0x124)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x10cd6db0, 0x10ce06c0, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
crypto/tls.(*atLeastReader).Read(0x10c17240, 0x10ce06c0, 0x205, 0x205, 0x0, 0x10c1a5e8, 0x10bad150)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:760 +0x60
bytes.(*Buffer).ReadFrom(0x10ce4360, 0x48f830, 0x10c17240, 0x315b9c, 0x8748, 0x39e1a0, 0x3e84e0)
	/tmp/workdir-gnot/go/src/bytes/buffer.go:204 +0x94
crypto/tls.(*Conn).readFromUntil(0x10ce4200, 0x10bad150, 0x10cd6db0, 0x5, 0x10cd6db0, 0x3f69b2)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:782 +0xca
crypto/tls.(*Conn).readRecordOrCCS(0x10ce4200, 0x0, 0x0, 0x8edb)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:589 +0x10b
crypto/tls.(*Conn).readRecord(...)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:557
crypto/tls.(*Conn).Read(0x10ce4200, 0x10c73a20, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:1233 +0x13b
io.ReadAtLeast(0x48f7f0, 0x10ce4200, 0x10c73a20, 0x9, 0x9, 0x9, 0x1, 0x1, 0x0)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10c73a20, 0x9, 0x9, 0x48f7f0, 0x10ce4200, 0x0, 0x0, 0x0, 0x10c01260, 0x10cf0f84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10c73a00, 0x10cf0f54, 0x2, 0x0, 0x1)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*serverConn).readFrames(0x10c017a0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:748 +0x82
created by golang.org/x/net/http2.(*serverConn).serve
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:853 +0x2f6

goroutine 70 [select, 9 minutes]:
golang.org/x/net/http2.(*serverConn).serve(0x10c017a0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:861 +0x52b
golang.org/x/net/http2.(*Server).ServeConn(0x10c56540, 0x497e60, 0x10ce4200, 0x10cc7d84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:472 +0x61d
golang.org/x/net/http2.ConfigureServer.func1(0x10c593b0, 0x10ce4200, 0x490b30, 0x10c170f0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:298 +0xbb
net/http.(*conn).serve(0x10c7cea0, 0x496040, 0x10cd9bc0)
	/tmp/workdir-gnot/go/src/net/http/server.go:1805 +0x103f
created by net/http.(*Server).Serve
	/tmp/workdir-gnot/go/src/net/http/server.go:2933 +0x2b8

goroutine 155 [syscall, 9 minutes, locked to thread]:
syscall.Syscall6(0x32, 0xf, 0x10ce1680, 0x205, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x10d605b5, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0xf, 0x10ce1680, 0x205, 0x205, 0xffffffff, 0xffffffff, 0x4, 0x11, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x10cd7a28, 0x10ce1680, 0x205, 0x205, 0x6985a, 0x11, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x10cd7a28, 0x10ce1680, 0x205, 0x205, 0x10d5c3c4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10d5c3c0, 0x10cd7d58, 0x10ce1680, 0x205, 0x205)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 131 [select, 9 minutes]:
golang.org/x/net/http2.(*serverConn).serve(0x10d42540)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:861 +0x52b
golang.org/x/net/http2.(*Server).ServeConn(0x10d10cf0, 0x497e60, 0x10ce4600, 0x10ccbd84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:472 +0x61d
golang.org/x/net/http2.ConfigureServer.func1(0x10c59950, 0x10ce4600, 0x490b30, 0x10d5c2b0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:298 +0xbb
net/http.(*conn).serve(0x10c7d2c0, 0x496040, 0x10d19500)
	/tmp/workdir-gnot/go/src/net/http/server.go:1805 +0x103f
created by net/http.(*Server).Serve
	/tmp/workdir-gnot/go/src/net/http/server.go:2933 +0x2b8

goroutine 95 [syscall, 9 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x9, 0x10ce06c0, 0x205, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x10f6c710, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x9, 0x10ce06c0, 0x205, 0x205, 0xffffffff, 0xffffffff, 0x4, 0xb, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x10cd6d98, 0x10ce06c0, 0x205, 0x205, 0x6985a, 0xb, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x10cd6d98, 0x10ce06c0, 0x205, 0x205, 0x10c17254, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10c17250, 0x10cd70d8, 0x10ce06c0, 0x205, 0x205)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 128 [syscall, 9 minutes]:
syscall.Syscall(0xe, 0x10d3e4e0, 0x0, 0x0, 0x13, 0x0, 0x0, 0x20)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:22 +0xb
syscall.open(0x10d3e4c0, 0x12, 0x0, 0x0, 0x114eb0, 0x72e5f0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:61 +0x7a
syscall.Open(0x10d3e4c0, 0x12, 0x0, 0x72e5f0, 0x418884, 0x114d02)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:382 +0x6c
os.openFileNolog(0x10d3e4c0, 0x12, 0x0, 0x0, 0x2, 0x10d3e4c0, 0x12)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:113 +0x28f
os.OpenFile(0x10d3e4c0, 0x12, 0x0, 0x0, 0x7, 0x10d3e4c0, 0x12)
	/tmp/workdir-gnot/go/src/os/file.go:303 +0x50
os.Open(...)
	/tmp/workdir-gnot/go/src/os/file.go:283
net.(*netFD).acceptPlan9(0x10c5f420, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/ipsock_plan9.go:250 +0x117
net.(*TCPListener).accept(0x10c17600, 0x26374d, 0x10d401c0, 0x0)
	/tmp/workdir-gnot/go/src/net/tcpsock_plan9.go:48 +0x26
net.(*TCPListener).Accept(0x10c17600, 0x418884, 0x262104, 0x497e60, 0x10ce4600)
	/tmp/workdir-gnot/go/src/net/tcpsock.go:261 +0x5d
crypto/tls.(*listener).Accept(0x10c17da0, 0x10cebf44, 0xc, 0x10c01a40, 0x2665c8)
	/tmp/workdir-gnot/go/src/crypto/tls/tls.go:55 +0x29
net/http.(*Server).Serve(0x10c59950, 0x495270, 0x10c17da0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/http/server.go:2901 +0x1ea
net/http/httptest.(*Server).goServe.func1(0x10d401c0)
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:308 +0x5b
created by net/http/httptest.(*Server).goServe
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:306 +0x4b

goroutine 102265 [syscall, 8 minutes]:
syscall.Syscall(0xe, 0x10d3e660, 0x0, 0x0, 0x13, 0x0, 0x0, 0x20)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:22 +0xb
syscall.open(0x10d3e640, 0x12, 0x0, 0x0, 0x114eb0, 0x72e5f0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:61 +0x7a
syscall.Open(0x10d3e640, 0x12, 0x0, 0x72e5f0, 0x418884, 0x114d02)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:382 +0x6c
os.openFileNolog(0x10d3e640, 0x12, 0x0, 0x0, 0x2, 0x10d3e640, 0x12)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:113 +0x28f
os.OpenFile(0x10d3e640, 0x12, 0x0, 0x0, 0x7, 0x10d3e640, 0x12)
	/tmp/workdir-gnot/go/src/os/file.go:303 +0x50
os.Open(...)
	/tmp/workdir-gnot/go/src/os/file.go:283
net.(*netFD).acceptPlan9(0x12126e70, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/ipsock_plan9.go:250 +0x117
net.(*TCPListener).accept(0x10d5d1e0, 0x96fd38, 0x12225500, 0x0)
	/tmp/workdir-gnot/go/src/net/tcpsock_plan9.go:48 +0x26
net.(*TCPListener).Accept(0x10d5d1e0, 0x418884, 0x262104, 0x497e60, 0x10dfee00)
	/tmp/workdir-gnot/go/src/net/tcpsock.go:261 +0x5d
crypto/tls.(*listener).Accept(0x10d5d9a0, 0x11238f44, 0xc, 0x10c01ce0, 0x2665c8)
	/tmp/workdir-gnot/go/src/crypto/tls/tls.go:55 +0x29
net/http.(*Server).Serve(0x121bab40, 0x495270, 0x10d5d9a0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/http/server.go:2901 +0x1ea
net/http/httptest.(*Server).goServe.func1(0x12225500)
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:308 +0x5b
created by net/http/httptest.(*Server).goServe
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:306 +0x4b

goroutine 2519 [chan receive, 9 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x1227a930, 0x11fe9a28, 0x123f1b00, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x1227a930, 0x123f1b00, 0x205, 0x205, 0x7ffff, 0x7d714d, 0x14d)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x11fe9678, 0x123f1b00, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
crypto/tls.(*atLeastReader).Read(0x10ee14d0, 0x123f1b00, 0x205, 0x205, 0x0, 0x10c1a5e8, 0x10bad150)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:760 +0x60
bytes.(*Buffer).ReadFrom(0x10dff360, 0x48f830, 0x10ee14d0, 0x123f1b05, 0x8748, 0x39e1a0, 0x3e84e0)
	/tmp/workdir-gnot/go/src/bytes/buffer.go:204 +0x94
crypto/tls.(*Conn).readFromUntil(0x10dff200, 0x10bad150, 0x11fe9678, 0x5, 0x11fe9678, 0x9)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:782 +0xca
crypto/tls.(*Conn).readRecordOrCCS(0x10dff200, 0x0, 0x0, 0x8edb)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:589 +0x10b
crypto/tls.(*Conn).readRecord(...)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:557
crypto/tls.(*Conn).Read(0x10dff200, 0x10eb5620, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:1233 +0x13b
io.ReadAtLeast(0x48f7f0, 0x10dff200, 0x10eb5620, 0x9, 0x9, 0x9, 0x1, 0x1, 0x0)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10eb5620, 0x9, 0x9, 0x48f7f0, 0x10dff200, 0x0, 0x0, 0x0, 0x10c01dc0, 0x10cedf84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10eb5600, 0x10cedf54, 0x2, 0x0, 0x1)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*serverConn).readFrames(0x10e5ca80)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:748 +0x82
created by golang.org/x/net/http2.(*serverConn).serve
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:853 +0x2f6

goroutine 145 [chan receive, 9 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x10c5f6c0, 0x10cd7d58, 0x10ce1680, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x10c5f6c0, 0x10ce1680, 0x205, 0x205, 0x0, 0x7bec3b, 0x3b)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x10cd7a40, 0x10ce1680, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
crypto/tls.(*atLeastReader).Read(0x10d5c3b0, 0x10ce1680, 0x205, 0x205, 0x0, 0x10c1a5e8, 0x10bad150)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:760 +0x60
bytes.(*Buffer).ReadFrom(0x10ce4760, 0x48f830, 0x10d5c3b0, 0x315b9c, 0x8748, 0x39e1a0, 0x3e84e0)
	/tmp/workdir-gnot/go/src/bytes/buffer.go:204 +0x94
crypto/tls.(*Conn).readFromUntil(0x10ce4600, 0x10bad150, 0x10cd7a40, 0x5, 0x10cd7a40, 0x3f69b2)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:782 +0xca
crypto/tls.(*Conn).readRecordOrCCS(0x10ce4600, 0x0, 0x0, 0x8edb)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:589 +0x10b
crypto/tls.(*Conn).readRecord(...)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:557
crypto/tls.(*Conn).Read(0x10ce4600, 0x10d3c2a0, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:1233 +0x13b
io.ReadAtLeast(0x48f7f0, 0x10ce4600, 0x10d3c2a0, 0x9, 0x9, 0x9, 0x1, 0x1, 0x0)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10d3c2a0, 0x9, 0x9, 0x48f7f0, 0x10ce4600, 0x0, 0x0, 0x0, 0x10d42620, 0x10cf1f84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10d3c280, 0x10cf1f54, 0x2, 0x0, 0x1)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*serverConn).readFrames(0x10d42540)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:748 +0x82
created by golang.org/x/net/http2.(*serverConn).serve
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:853 +0x2f6

goroutine 2531 [syscall, 9 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x15, 0x123f1b00, 0x205, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x12040838, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x15, 0x123f1b00, 0x205, 0x205, 0xffffffff, 0xffffffff, 0x4, 0x17, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x11fe9660, 0x123f1b00, 0x205, 0x205, 0x6985a, 0x17, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x11fe9660, 0x123f1b00, 0x205, 0x205, 0x10ee14e4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10ee14e0, 0x11fe9a28, 0x123f1b00, 0x205, 0x205)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 2502 [syscall, 9 minutes]:
syscall.Syscall(0xe, 0x120761e0, 0x0, 0x0, 0x13, 0x0, 0x0, 0x20)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:22 +0xb
syscall.open(0x120761c0, 0x12, 0x0, 0x0, 0x114eb0, 0x72e5f0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:61 +0x7a
syscall.Open(0x120761c0, 0x12, 0x0, 0x72e5f0, 0x418884, 0x114d02)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:382 +0x6c
os.openFileNolog(0x120761c0, 0x12, 0x0, 0x0, 0x2, 0x120761c0, 0x12)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:113 +0x28f
os.OpenFile(0x120761c0, 0x12, 0x0, 0x0, 0x7, 0x120761c0, 0x12)
	/tmp/workdir-gnot/go/src/os/file.go:303 +0x50
os.Open(...)
	/tmp/workdir-gnot/go/src/os/file.go:283
net.(*netFD).acceptPlan9(0x1227a310, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/ipsock_plan9.go:250 +0x117
net.(*TCPListener).accept(0x10ee0680, 0xffe549, 0x12107b00, 0x0)
	/tmp/workdir-gnot/go/src/net/tcpsock_plan9.go:48 +0x26
net.(*TCPListener).Accept(0x10ee0680, 0x418884, 0x262104, 0x497e60, 0x10dff200)
	/tmp/workdir-gnot/go/src/net/tcpsock.go:261 +0x5d
crypto/tls.(*listener).Accept(0x10ee0e30, 0x124f4f44, 0xc, 0x10d430a0, 0x2665c8)
	/tmp/workdir-gnot/go/src/crypto/tls/tls.go:55 +0x29
net/http.(*Server).Serve(0x121ba990, 0x495270, 0x10ee0e30, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/http/server.go:2901 +0x1ea
net/http/httptest.(*Server).goServe.func1(0x12107b00)
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:308 +0x5b
created by net/http/httptest.(*Server).goServe
	/tmp/workdir-gnot/go/src/net/http/httptest/server.go:306 +0x4b

goroutine 102539 [select, 8 minutes]:
golang.org/x/net/http2.(*serverConn).serve(0x10e5c1c0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:861 +0x52b
golang.org/x/net/http2.(*Server).ServeConn(0x124a52f0, 0x497ea0, 0x10cd7390, 0x1106ffc8)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:472 +0x61d
golang.org/x/net/http2.startH2cServer.func1(0x495350, 0x10ef72f0, 0x10c8cbe0, 0x124a52f0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:88 +0x10a
created by golang.org/x/net/http2.startH2cServer
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:82 +0x74

goroutine 2505 [select, 9 minutes]:
golang.org/x/net/http2.(*serverConn).serve(0x10e5ca80)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:861 +0x52b
golang.org/x/net/http2.(*Server).ServeConn(0x120cf4d0, 0x497e60, 0x10dff200, 0x10cc9d84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:472 +0x61d
golang.org/x/net/http2.ConfigureServer.func1(0x121ba990, 0x10dff200, 0x490b30, 0x10ee1340)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:298 +0xbb
net/http.(*conn).serve(0x120da420, 0x496040, 0x10f31220)
	/tmp/workdir-gnot/go/src/net/http/server.go:1805 +0x103f
created by net/http.(*Server).Serve
	/tmp/workdir-gnot/go/src/net/http/server.go:2933 +0x2b8

goroutine 104728 [chan receive, 8 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x10c5fb20, 0x11131c78, 0x10eb4520, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x10c5fb20, 0x10eb4520, 0x9, 0x9, 0x20, 0x18, 0x3ce6a0)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x11fe9fc0, 0x10eb4520, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
io.ReadAtLeast(0x10bad150, 0x11fe9fc0, 0x10eb4520, 0x9, 0x9, 0x9, 0x3ce6a0, 0x1113ac40, 0x11033eb7)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10eb4520, 0x9, 0x9, 0x10bad150, 0x11fe9fc0, 0x0, 0x0, 0x0, 0x1113ac40, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10eb4500, 0x494210, 0x1113ac40, 0x0, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.testTransportReqBodyAfterResponse.func2(0x11033fc8, 0x120)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:875 +0xbb
golang.org/x/net/http2.(*clientTester).start.func1(0x3f58ad, 0x6, 0x12106880, 0x10ee1060)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:787 +0x7f
created by golang.org/x/net/http2.(*clientTester).start
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport_test.go:776 +0x4a

goroutine 104732 [chan receive, 8 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x10c5fab0, 0x11131c88, 0x10dfa000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x10c5fab0, 0x10dfa000, 0x1000, 0x1000, 0x8d0a, 0x12106930, 0x0)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x11fe9f58, 0x10dfa000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
bufio.(*Reader).Read(0x10c56360, 0x10eb4620, 0x9, 0x9, 0x6169a, 0x10c9bf04, 0xffffffff)
	/tmp/workdir-gnot/go/src/bufio/bufio.go:226 +0x1ec
io.ReadAtLeast(0x48f630, 0x10c56360, 0x10eb4620, 0x9, 0x9, 0x9, 0x10d72e98, 0x48f801, 0x10c18030)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10eb4620, 0x9, 0x9, 0x48f630, 0x10c56360, 0x0, 0x0, 0x0, 0x1113ac60, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10eb4600, 0x1113ac60, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*clientConnReadLoop).run(0x10d72fd4, 0x40, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:1746 +0x68
golang.org/x/net/http2.(*ClientConn).readLoop(0x10c14ff0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:1674 +0x63
created by golang.org/x/net/http2.(*Transport).newClientConn
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:674 +0x5aa

goroutine 109235 [syscall, 8 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x29, 0x10eb4520, 0x9, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x1113f387, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x29, 0x10eb4520, 0x9, 0x9, 0xffffffff, 0xffffffff, 0x4, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x11fe9fa8, 0x10eb4520, 0x9, 0x9, 0x6985a, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x11fe9fa8, 0x10eb4520, 0x9, 0x9, 0x111443a4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x111443a0, 0x11131c78, 0x10eb4520, 0x9, 0x9)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 109236 [syscall, 8 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x26, 0x10dfa000, 0x1000, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x1113f3b0, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x26, 0x10dfa000, 0x1000, 0x1000, 0xffffffff, 0xffffffff, 0x4, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x11fe9f20, 0x10dfa000, 0x1000, 0x1000, 0x6985a, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x11fe9f20, 0x10dfa000, 0x1000, 0x1000, 0x111443b4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x111443b0, 0x11131c88, 0x10dfa000, 0x1000, 0x1000)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 102550 [chan receive, 8 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x1227acb0, 0x10cd74a0, 0x10c73f20, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x1227acb0, 0x10c73f20, 0x9, 0x9, 0x12332620, 0x121743c0, 0x3fddc)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x10cd7388, 0x10c73f20, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
io.ReadAtLeast(0x10bbcb58, 0x10cd7390, 0x10c73f20, 0x9, 0x9, 0x9, 0x1, 0x1, 0x0)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10c73f20, 0x9, 0x9, 0x10bbcb58, 0x10cd7390, 0x0, 0x0, 0x0, 0x12332620, 0x11051f84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10c73f00, 0x11051f54, 0x2, 0x0, 0x1)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*serverConn).readFrames(0x10e5c1c0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:748 +0x82
created by golang.org/x/net/http2.(*serverConn).serve
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:853 +0x2f6

goroutine 102567 [syscall, 8 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x1f, 0x11078000, 0x1000, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x10d61770, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x1f, 0x11078000, 0x1000, 0x1000, 0xffffffff, 0xffffffff, 0x4, 0x23, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x10cd72b8, 0x11078000, 0x1000, 0x1000, 0x6985a, 0x23, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x10cd72b8, 0x11078000, 0x1000, 0x1000, 0x10ef74b4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10ef74b0, 0x10cd7498, 0x11078000, 0x1000, 0x1000)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 102299 [syscall, 8 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x1c, 0x10d7a240, 0x205, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x120e2ba5, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x1c, 0x10d7a240, 0x205, 0x205, 0xffffffff, 0xffffffff, 0x4, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x10cd6a08, 0x10d7a240, 0x205, 0x205, 0x6985a, 0x1d, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x10cd6a08, 0x10d7a240, 0x205, 0x205, 0x10ef60f4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10ef60f0, 0x10cd6e00, 0x10d7a240, 0x205, 0x205)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 102568 [syscall, 8 minutes, locked to thread]:
syscall.Syscall6(0x32, 0x22, 0x10c73f20, 0x9, 0xffffffff, 0xffffffff, 0x0, 0xe, 0x10d61777, 0x0, ...)
	/tmp/workdir-gnot/go/src/syscall/asm_plan9_386.s:64 +0xb
syscall.Pread(0x22, 0x10c73f20, 0x9, 0x9, 0xffffffff, 0xffffffff, 0x4, 0x23, 0x0)
	/tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_386.go:218 +0x60
syscall.Read(...)
	/tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:166
os.(*File).read(0x10cd7360, 0x10c73f20, 0x9, 0x9, 0x6985a, 0x23, 0x0)
	/tmp/workdir-gnot/go/src/os/file_plan9.go:248 +0x52
os.(*File).Read(0x10cd7360, 0x10c73f20, 0x9, 0x9, 0x10ef74c4, 0xffffffff, 0x0)
	/tmp/workdir-gnot/go/src/os/file.go:116 +0x5b
internal/poll.newAsyncIO.func1(0x10ef74c0, 0x10cd74a0, 0x10c73f20, 0x9, 0x9)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:54 +0x71
created by internal/poll.newAsyncIO
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:43 +0xa5

goroutine 102282 [chan receive, 8 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x12127180, 0x10cd6e00, 0x10d7a240, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x12127180, 0x10d7a240, 0x205, 0x205, 0x3ffff, 0x7d860e, 0xe)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x10cd6a20, 0x10d7a240, 0x205, 0x205, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
crypto/tls.(*atLeastReader).Read(0x10ef60e0, 0x10d7a240, 0x205, 0x205, 0x0, 0x10c1a5e8, 0x10bad150)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:760 +0x60
bytes.(*Buffer).ReadFrom(0x10dfef60, 0x48f830, 0x10ef60e0, 0x315b9c, 0x8748, 0x39e1a0, 0x3e84e0)
	/tmp/workdir-gnot/go/src/bytes/buffer.go:204 +0x94
crypto/tls.(*Conn).readFromUntil(0x10dfee00, 0x10bad150, 0x10cd6a20, 0x5, 0x10cd6a20, 0xd)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:782 +0xca
crypto/tls.(*Conn).readRecordOrCCS(0x10dfee00, 0x0, 0x0, 0x8edb)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:589 +0x10b
crypto/tls.(*Conn).readRecord(...)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:557
crypto/tls.(*Conn).Read(0x10dfee00, 0x10d3dd20, 0x9, 0x9, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/crypto/tls/conn.go:1233 +0x13b
io.ReadAtLeast(0x48f7f0, 0x10dfee00, 0x10d3dd20, 0x9, 0x9, 0x9, 0x1, 0x1, 0x0)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10d3dd20, 0x9, 0x9, 0x48f7f0, 0x10dfee00, 0x0, 0x0, 0x0, 0x12332d20, 0x1104df84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10d3dd00, 0x1104df54, 0x2, 0x0, 0x1)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*serverConn).readFrames(0x10f89880)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:748 +0x82
created by golang.org/x/net/http2.(*serverConn).serve
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:853 +0x2f6

goroutine 102270 [select, 8 minutes]:
golang.org/x/net/http2.(*serverConn).serve(0x10f89880)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:861 +0x52b
golang.org/x/net/http2.(*Server).ServeConn(0x10d11830, 0x497e60, 0x10dfee00, 0x10cc5d84)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:472 +0x61d
golang.org/x/net/http2.ConfigureServer.func1(0x121bab40, 0x10dfee00, 0x490b30, 0x10d5deb0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/server.go:298 +0xbb
net/http.(*conn).serve(0x121f3080, 0x496040, 0x10d198e0)
	/tmp/workdir-gnot/go/src/net/http/server.go:1805 +0x103f
created by net/http.(*Server).Serve
	/tmp/workdir-gnot/go/src/net/http/server.go:2933 +0x2b8

goroutine 102544 [chan receive, 8 minutes]:
internal/poll.(*asyncIO).Wait(...)
	/tmp/workdir-gnot/go/src/internal/poll/fd_io_plan9.go:84
internal/poll.(*FD).Read(0x1227ac40, 0x10cd7498, 0x11078000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/internal/poll/fd_plan9.go:73 +0x117
net.(*netFD).Read(0x1227ac40, 0x11078000, 0x1000, 0x1000, 0x8d0a, 0x10e99f70, 0x0)
	/tmp/workdir-gnot/go/src/net/fd_plan9.go:86 +0xa4
net.(*conn).Read(0x10cd72e8, 0x11078000, 0x1000, 0x1000, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/go/src/net/net.go:184 +0x66
bufio.(*Reader).Read(0x124a5350, 0x10c73e20, 0x9, 0x9, 0x6169a, 0x10e75c44, 0xffffffff)
	/tmp/workdir-gnot/go/src/bufio/bufio.go:226 +0x1ec
io.ReadAtLeast(0x48f630, 0x124a5350, 0x10c73e20, 0x9, 0x9, 0x9, 0x1104fe98, 0x48f801, 0x10c18030)
	/tmp/workdir-gnot/go/src/io/io.go:310 +0x73
io.ReadFull(...)
	/tmp/workdir-gnot/go/src/io/io.go:329
golang.org/x/net/http2.readFrameHeader(0x10c73e20, 0x9, 0x9, 0x48f630, 0x124a5350, 0x0, 0x0, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:237 +0x6d
golang.org/x/net/http2.(*Framer).ReadFrame(0x10c73e00, 0x12174360, 0x0, 0x0, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/frame.go:492 +0x75
golang.org/x/net/http2.(*clientConnReadLoop).run(0x1104ffd4, 0x40, 0x0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:1746 +0x68
golang.org/x/net/http2.(*ClientConn).readLoop(0x10c145a0)
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:1674 +0x63
created by golang.org/x/net/http2.(*Transport).newClientConn
	/tmp/workdir-gnot/gopath/src/golang.org/x/net/http2/transport.go:674 +0x5aa
FAIL	golang.org/x/net/http2	600.074s

@gopherbot add labels OS-Plan9, NeedsFix, Testing

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@gopherbot gopherbot commented Nov 29, 2019

Change https://golang.org/cl/209417 mentions this issue: http2: workaround TCPConn CloseWrite not being supported on Plan 9

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