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x/tools/internal/lsp/cmd: apparent deadlock on linux-amd64-wsl #54905

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bcmills opened this issue Sep 6, 2022 · 5 comments
Closed

x/tools/internal/lsp/cmd: apparent deadlock on linux-amd64-wsl #54905

bcmills opened this issue Sep 6, 2022 · 5 comments
Labels
gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
Milestone
gopls/backlog

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@bcmills
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bcmills commented Sep 6, 2022

Looks like a deadlock to me because nearly everything was stuck for 9 minutes.

panic: test timed out after 10m0s

goroutine 13594 [running]:
testing.(*M).startAlarm.func1()
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:2036 +0x8e
created by time.goFunc
	/tmp/workdir-host-linux-amd64-wsl/go/src/time/sleep.go:176 +0x32

goroutine 1 [chan receive, 9 minutes]:
testing.(*T).Run(0xc000227ba0, {0xd32dbb?, 0x521585?}, 0xe692f0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1494 +0x37a
testing.runTests.func1(0xc000227ba0?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1846 +0x6e
testing.tRunner(0xc000227ba0, 0xc00018bc80)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1446 +0x10b
testing.runTests(0xc00021d7c0?, {0x13f3e40, 0x3, 0x3}, {0xd33883?, 0xf?, 0x14060e0?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1844 +0x456
testing.(*M).Run(0xc00021d7c0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1726 +0x5d9
golang.org/x/tools/internal/lsp/cmd_test.TestMain(0xffffffffffffffff?)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd_test.go:20 +0x2f
main.main()
	_testmain.go:55 +0x1d3

goroutine 165 [chan receive, 9 minutes]:
testing.(*T).Run(0xc00049e4e0, {0xd1aa66?, 0xc00029ee10?}, 0xc000517e30)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1494 +0x37a
golang.org/x/tools/internal/lsp/tests.RunTests(0xc00049e4e0, {0xd2403d, 0xb}, 0x0, 0xc00026e3b0)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/tests/tests.go:290 +0x21c
golang.org/x/tools/internal/lsp/cmd/test.TestCommandLine(0xc00049e4e0, {0xd2403d, 0xb}, 0xe694a8)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:43 +0xde
golang.org/x/tools/internal/lsp/cmd_test.TestCommandLine(0xc000163a40?)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd_test.go:24 +0x2c
testing.tRunner(0xc00049e4e0, 0xe692f0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1446 +0x10b
created by testing.(*T).Run
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1493 +0x35f

goroutine 166 [chan receive, 9 minutes]:
testing.(*T).Run(0xc00049e680, {0xd35b1b?, 0xc000666000?}, 0xc0039cf180)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1494 +0x37a
golang.org/x/tools/internal/lsp/tests.Run(0xc00049e680, {0xf662c0?, 0xc00033e870}, 0xc000005680)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/tests/tests.go:852 +0x1052
golang.org/x/tools/internal/lsp/cmd/test.TestCommandLine.func1(0xc00049e680?, 0xc000005680)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:46 +0x17e
golang.org/x/tools/internal/lsp/tests.RunTests.func1(0xc00049e680)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/tests/tests.go:297 +0xd1
testing.tRunner(0xc00049e680, 0xc000517e30)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1446 +0x10b
created by testing.(*T).Run
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1493 +0x35f

goroutine 175 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a9256a98, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc0000a2200?, 0xc000756000?, 0x0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000a2200, {0xc000756000, 0x1000, 0x1000})
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:167 +0x25a
net.(*netFD).Read(0xc0000a2200, {0xc000756000?, 0x8?, 0xc000154060?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/fd_posix.go:55 +0x29
net.(*conn).Read(0xc000014008, {0xc000756000?, 0x203000?, 0x203000?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/net.go:183 +0x45
bufio.(*Reader).fill(0xc000752060)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:106 +0xff
bufio.(*Reader).ReadSlice(0xc000752060, 0x32?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:372 +0x2f
bufio.(*Reader).collectFragments(0x30?, 0x0?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:447 +0x71
bufio.(*Reader).ReadString(0x1ee?, 0x30?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:495 +0x2b
golang.org/x/tools/internal/jsonrpc2.(*headerStream).Read(0xc000754018, {0xf5e8c0, 0xc0006031a0})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/stream.go:110 +0xb8
golang.org/x/tools/internal/jsonrpc2.(*conn).run(0xc000214050, {0xf5e8c0, 0xc0006031a0}, 0xc000754078)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:196 +0xbc
created by golang.org/x/tools/internal/jsonrpc2.(*conn).Go
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:189 +0xb0

goroutine 174 [chan receive, 9 minutes]:
golang.org/x/tools/internal/lsp/lsprpc.(*StreamServer).ServeStream(0xc0006409e0, {0xf5e8c0, 0xc0006031a0}, {0xf61480, 0xc000214050})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/lsprpc/lsprpc.go:103 +0x405
golang.org/x/tools/internal/jsonrpc2.Serve.func3()
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/serve.go:125 +0x10d
created by golang.org/x/tools/internal/jsonrpc2.Serve
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/serve.go:123 +0x6dd

goroutine 117 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a9256c78, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc00043ec80?, 0x6?, 0x0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Accept(0xc00043ec80)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:614 +0x234
net.(*netFD).accept(0xc00043ec80)
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/fd_unix.go:172 +0x35
net.(*TCPListener).accept(0xc000472750)
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/tcpsock_posix.go:142 +0x28
net.(*TCPListener).Accept(0xc000472750)
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/tcpsock.go:288 +0x3d
golang.org/x/tools/internal/jsonrpc2.Serve.func1()
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/serve.go:75 +0xa4
created by golang.org/x/tools/internal/jsonrpc2.Serve
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/serve.go:71 +0x18b

goroutine 180 [chan receive]:
golang.org/x/tools/internal/event/export/ocagent.Connect.func1()
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/event/export/ocagent/ocagent.go:97 +0x7c
created by golang.org/x/tools/internal/event/export/ocagent.Connect
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/event/export/ocagent/ocagent.go:96 +0x365

goroutine 181 [select, 9 minutes]:
golang.org/x/tools/internal/jsonrpc2.Serve({0xf5e8c0, 0xc00050ad50}, {0xf5deb8?, 0xc000472750}, {0xf58d40?, 0xc0006409e0}, 0x0)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/serve.go:111 +0x38c
created by golang.org/x/tools/internal/jsonrpc2/servertest.NewTCPServer
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/servertest/servertest.go:47 +0x145

goroutine 13427 [chan receive, 9 minutes]:
testing.(*T).Run(0xc0081864e0, {0xd21bd8?, 0x0?}, 0xc005300300)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1494 +0x37a
golang.org/x/tools/internal/lsp/tests.Run.func28(0xc0081864e0)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/tests/tests.go:866 +0x2f0
testing.tRunner(0xc0081864e0, 0xc0039cf180)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1446 +0x10b
created by testing.(*T).Run
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1493 +0x35f

goroutine 96 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a9256048, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc00043ef00?, 0xc0005e8000?, 0x0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc00043ef00, {0xc0005e8000, 0x1000, 0x1000})
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:167 +0x25a
net.(*netFD).Read(0xc00043ef00, {0xc0005e8000?, 0x8?, 0xc000154060?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/fd_posix.go:55 +0x29
net.(*conn).Read(0xc000288020, {0xc0005e8000?, 0x203000?, 0x203000?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/net.go:183 +0x45
bufio.(*Reader).fill(0xc0005e6000)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:106 +0xff
bufio.(*Reader).ReadSlice(0xc0005e6000, 0x32?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:372 +0x2f
bufio.(*Reader).collectFragments(0x8?, 0x0?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:447 +0x71
bufio.(*Reader).ReadString(0x7fa1d1eff301?, 0x30?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:495 +0x2b
golang.org/x/tools/internal/jsonrpc2.(*headerStream).Read(0xc0005ea000, {0xf5e8c0, 0xc00056eab0})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/stream.go:110 +0xb8
golang.org/x/tools/internal/jsonrpc2.(*conn).run(0xc000036050, {0xf5e8c0, 0xc00056eab0}, 0xc0005ea048)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:196 +0xbc
created by golang.org/x/tools/internal/jsonrpc2.(*conn).Go
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:189 +0xb0

goroutine 13429 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a27d5b58, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc003129320?, 0xc008c24400?, 0x1)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc003129320, {0xc008c24400, 0x200, 0x200})
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:167 +0x25a
os.(*File).read(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/os/file_posix.go:31
os.(*File).Read(0xc00232cf98, {0xc008c24400?, 0x140fda8?, 0xc0095fa700?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/os/file.go:118 +0x5e
bytes.(*Buffer).ReadFrom(0xc005300360, {0xf593e0, 0xc00232cf98})
	/tmp/workdir-host-linux-amd64-wsl/go/src/bytes/buffer.go:202 +0x98
io.copyBuffer({0xf582a0, 0xc005300360}, {0xf593e0, 0xc00232cf98}, {0x0, 0x0, 0x0})
	/tmp/workdir-host-linux-amd64-wsl/go/src/io/io.go:413 +0x14b
io.Copy(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/io/io.go:386
golang.org/x/tools/internal/lsp/cmd/test.(*runner).runGoplsCmd.func1()
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:135 +0x45
created by golang.org/x/tools/internal/lsp/cmd/test.(*runner).runGoplsCmd
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:134 +0x25b

goroutine 13428 [select, 9 minutes]:
golang.org/x/tools/internal/jsonrpc2.(*conn).Call(0xc0026fdf40, {0xf5e8c0, 0xc0053008d0}, {0xd23a14, 0xa}, {0xbe0e40?, 0xc007cfe900?}, {0xbd6540?, 0xc00232d1c8})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:138 +0x8fe
golang.org/x/tools/internal/lsp/protocol.clientConn.Call({{0xf61480?, 0xc0026fdf40?}}, {0xf5e8c0, 0xc0053008d0}, {0xd23a14?, 0x8?}, {0xbe0e40?, 0xc007cfe900?}, {0xbd6540, 0xc00232d1c8})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/protocol/protocol.go:64 +0x93
golang.org/x/tools/internal/lsp/protocol.(*serverDispatcher).Initialize(0xc0019de840, {0xf5e8c0, 0xc0053008d0}, 0xd?)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/protocol/tsserver.go:1069 +0x7e
golang.org/x/tools/internal/lsp/cmd.(*connection).initialize(0xc005383218, {0xf5e8c0, 0xc0053008d0}, 0xc0053831e8)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd.go:372 +0x3b6
golang.org/x/tools/internal/lsp/cmd.(*Application).connectRemote(0xc007d437c0, {0xf5eee0, 0xc0019de7d0}, {0xc009dac0b1, 0xf})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd.go:339 +0x4eb
golang.org/x/tools/internal/lsp/cmd.(*Application).connect(0xc007d437c0, {0xf5e8c0, 0xc005300450})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd.go:305 +0x325
golang.org/x/tools/internal/lsp/cmd.(*workspaceSymbol).Run(0xc0053831d0, {0xf5e8c0, 0xc005300450}, {0xc0026fdb70, 0x0?, 0x0?})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/workspace_symbol.go:61 +0x12c
golang.org/x/tools/internal/tool.Run({0xf5e8c0, 0xc005300450}, 0xc0042d4ae0, {0xf5fba0?, 0xc0053831d0}, {0xc0026fdb50, 0x3, 0x3})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/tool/tool.go:168 +0x57f
golang.org/x/tools/internal/lsp/cmd.(*Application).Run(0xc007d437c0, {0xf5e850?, 0xc000136000?}, {0xc0026fdb40?, 0x4, 0x4})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/cmd.go:227 +0x407
golang.org/x/tools/internal/tool.Run({0xf5e850, 0xc000136000}, 0xc003129ec0, {0xf5f460?, 0xc007d437c0}, {0xc0026fdb30, 0x5, 0x5})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/tool/tool.go:168 +0x57f
golang.org/x/tools/internal/lsp/cmd/test.(*runner).runGoplsCmd(0xc00033e870, {0xf646a0, 0xc008186680}, {0xc00007ae60, 0x4, 0xc005300330?})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:146 +0x5b9
golang.org/x/tools/internal/lsp/cmd/test.(*runner).runWorkspaceSymbols(0xc00033e870, 0xc008186680, {0xc00060caf0, 0x6b}, {0xd3315d, 0xf}, {0x0, 0x0})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/workspace_symbol.go:35 +0x13a
golang.org/x/tools/internal/lsp/cmd/test.(*runner).WorkspaceSymbols(0xc008186680?, 0x51b?, {0xc00060caf0?, 0x1298478?}, {0x0?, 0xc000967760?}, 0x521585?)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/workspace_symbol.go:29 +0x74
golang.org/x/tools/internal/lsp/tests.Run.func28.1(0xc008186680)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/tests/tests.go:868 +0x90
testing.tRunner(0xc008186680, 0xc005300300)
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1446 +0x10b
created by testing.(*T).Run
	/tmp/workdir-host-linux-amd64-wsl/go/src/testing/testing.go:1493 +0x35f

goroutine 13431 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a9256b88, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc0024bd480?, 0xc0064db000?, 0x0)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0024bd480, {0xc0064db000, 0x1000, 0x1000})
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:167 +0x25a
net.(*netFD).Read(0xc0024bd480, {0xc0064db000?, 0x0?, 0x0?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/fd_posix.go:55 +0x29
net.(*conn).Read(0xc00232d1b0, {0xc0064db000?, 0x0?, 0x0?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/net/net.go:183 +0x45
bufio.(*Reader).fill(0xc0042d5920)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:106 +0xff
bufio.(*Reader).ReadSlice(0xc0042d5920, 0x0?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:372 +0x2f
bufio.(*Reader).collectFragments(0xc0042d5920?, 0xa?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:447 +0x71
bufio.(*Reader).ReadString(0xc0076256d8?, 0x60?)
	/tmp/workdir-host-linux-amd64-wsl/go/src/bufio/bufio.go:495 +0x2b
golang.org/x/tools/internal/jsonrpc2.(*headerStream).Read(0xc005383230, {0xf5e8c0, 0xc0053008d0})
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/stream.go:110 +0xb8
golang.org/x/tools/internal/jsonrpc2.(*conn).run(0xc0026fdf40, {0xf5e8c0, 0xc0053008d0}, 0xc005383320)
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:196 +0xbc
created by golang.org/x/tools/internal/jsonrpc2.(*conn).Go
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/jsonrpc2/conn.go:189 +0xb0

goroutine 13430 [IO wait, 9 minutes]:
internal/poll.runtime_pollWait(0x7fa1a9256d68, 0x72)
	/tmp/workdir-host-linux-amd64-wsl/go/src/runtime/netpoll.go:305 +0x89
internal/poll.(*pollDesc).wait(0xc003129c20?, 0xc008c24600?, 0x1)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:84 +0x32
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc003129c20, {0xc008c24600, 0x200, 0x200})
	/tmp/workdir-host-linux-amd64-wsl/go/src/internal/poll/fd_unix.go:167 +0x25a
os.(*File).read(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/os/file_posix.go:31
os.(*File).Read(0xc00232cfa8, {0xc008c24600?, 0xc007614750?, 0xc007614700?})
	/tmp/workdir-host-linux-amd64-wsl/go/src/os/file.go:118 +0x5e
bytes.(*Buffer).ReadFrom(0xc005300390, {0xf593e0, 0xc00232cfa8})
	/tmp/workdir-host-linux-amd64-wsl/go/src/bytes/buffer.go:202 +0x98
io.copyBuffer({0xf582a0, 0xc005300390}, {0xf593e0, 0xc00232cfa8}, {0x0, 0x0, 0x0})
	/tmp/workdir-host-linux-amd64-wsl/go/src/io/io.go:413 +0x14b
io.Copy(...)
	/tmp/workdir-host-linux-amd64-wsl/go/src/io/io.go:386
golang.org/x/tools/internal/lsp/cmd/test.(*runner).runGoplsCmd.func2()
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:139 +0x45
created by golang.org/x/tools/internal/lsp/cmd/test.(*runner).runGoplsCmd
	/tmp/workdir-host-linux-amd64-wsl/gopath/src/golang.org/x/tools/internal/lsp/cmd/test/cmdtest.go:138 +0x2db
FAIL	golang.org/x/tools/internal/lsp/cmd	600.283s

(CC @adonovan @findleyr)
@gopherbot gopherbot added Tools This label describes issues relating to any tools in the x/tools repository. gopls Issues related to the Go language server, gopls. labels Sep 6, 2022
@gopherbot gopherbot added this to the Unreleased milestone Sep 6, 2022
@findleyr
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findleyr commented Sep 6, 2022 •
edited

A lot of these goroutines are expected (waiting for connections to be closed or new incoming connections to accept).

One that sticks out as not expected is golang.org/x/tools/internal/jsonrpc2.(*conn).Call, which is hanging during initialization. There are a number of goroutines trying to read off a connection, and I don't see obvious deadlocks in server code. This may be a bug in jsonrpc2. I also wonder if it could be a net bug?

@bcmills bcmills mentioned this issue Sep 6, 2022
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findleyr commented Sep 6, 2022

I'll note that unfortunately this is unlikely to get investigated soon, as it appears to be a lower priority than other issues (including other test flakes).

@findleyr findleyr modified the milestones: Unreleased, gopls/later Sep 6, 2022
@mengzhuo
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mengzhuo commented Sep 7, 2022

FYI: Both wsl builders are under a firewall and reqiures proxy to connect to the Internet.

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findleyr commented Sep 7, 2022

Thanks @mengzhuo, that's good to know. In this case the connection is over localhost, so I don't think it would be affected by the firewall (and this is a rare flake).

@bcmills bcmills mentioned this issue Sep 20, 2022
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We've rewritten so much since this was opened, that I expect this issue is now obsolete. Closing.

@findleyr findleyr closed this as not planned Won't fix, can't repro, duplicate, stale Nov 10, 2023
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