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investigate flaky tests on fedora 24 #17589

Closed
Closed
investigate flaky tests on fedora 24#17589
Labels
flaky-testIssues and PRs involving tests that fail intermittently in CI.

Description

@Trott
Trott
opened on Dec 10, 2017
  • Version: 10.0.0-pre
  • Platform: fedora24
  • Subsystem: test

sequential/test-child-process-pass-fd and sequential/test-inspector-port-cluster sometimes fail as as a pair on fedora 24.

Recent examples:

https://ci.nodejs.org/job/node-test-commit-linux/nodes=fedora24/14848/console
Details 
not ok 2001 sequential/test-child-process-pass-fd
  ---
  duration_ms: 2.823
  severity: fail
  stack: |-
    node[26803]: pthread_create: Resource temporarily unavailable
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
...
not ok 2046 sequential/test-inspector-port-cluster
  ---
  duration_ms: 0.661
  severity: fail
  stack: |-
    Debugger listening on ws://127.0.0.1:12346/5b474053-46e9-47a3-a22d-12fdf214dcdc
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:9229/01dcd483-2268-4194-86dd-fd6da35c083d
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12356/088df66b-35aa-48df-95cf-9ceb550b522d
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12351/1a086704-73e0-43db-87a7-fee4cf2518ef
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12366/ac22826d-1f0c-47ca-a745-d52362749d52
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://0.0.0.0:12361/86a78680-52b3-4a47-9250-529eaa308a6b
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://[::1]:12376/744a25a8-b1ad-4351-948b-38d5cd959926
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12386/56a7d647-bcd1-4b7d-87e9-0c6374a26fe1
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12381/5083d73a-b46c-4b2e-8c67-58c86f51fdb9
    For help see https://nodejs.org/en/docs/inspector
    node[27553]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27553]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: Debugger listening on ws://127.0.0.1:12391/339d35cf-af3c-4332-85cf-23c05b2cc96d
    For help see https://nodejs.org/en/docs/inspector
    node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27543]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27543]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    Debugger listening on ws://[::]:12371/a06cbab2-38e2-49d7-a1e0-752d437970b8
    For help see https://nodejs.org/en/docs/inspector
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    Debugger listening on ws://127.0.0.1:12406/4db10d1c-17a0-4134-a981-a2aa98f7e9ff
    For help see https://nodejs.org/en/docs/inspector
    node[27562]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27562]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    Debugger listening on ws://127.0.0.1:12396/2adf877b-8a1a-4558-acaa-9511aae1b852
    For help see https://nodejs.org/en/docs/inspector
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    node[27597]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27597]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27599]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27599]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27596]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27596]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    Debugger listening on ws://127.0.0.1:12390/f5b2e26d-f286-465d-ac9b-f58bc2ced564
    For help see https://nodejs.org/en/docs/inspector
    assert.js:43
      throw new errors.AssertionError({
      ^
    
    AssertionError [ERR_ASSERTION]: null strictEqual 0
        at Worker.checkExitCode (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-inspector-port-cluster.js:329:10)
        at Worker.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/common/index.js:522:15)
        at Worker.emit (events.js:126:13)
        at ChildProcess.worker.process.once (internal/cluster/master.js:184:12)
        at Object.onceWrapper (events.js:218:13)
        at ChildProcess.emit (events.js:126:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:209:12)
 https://ci.nodejs.org/job/node-test-commit-linux/nodes=fedora24/14835/console
Details 
not ok 2001 sequential/test-child-process-pass-fd
  ---
  duration_ms: 2.823
  severity: fail
  stack: |-
    node[26803]: pthread_create: Resource temporarily unavailable
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error [ERR_IPC_CHANNEL_CLOSED]: Channel closed
        at process.target.send (internal/child_process.js:606:16)
        at Socket.socketConnected (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-child-process-pass-fd.js:37:15)
        at Object.onceWrapper (events.js:218:13)
        at Socket.emit (events.js:126:13)
        at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:10)
  ...
not ok 2046 sequential/test-inspector-port-cluster
  ---
  duration_ms: 0.661
  severity: fail
  stack: |-
    Debugger listening on ws://127.0.0.1:12346/5b474053-46e9-47a3-a22d-12fdf214dcdc
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:9229/01dcd483-2268-4194-86dd-fd6da35c083d
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12356/088df66b-35aa-48df-95cf-9ceb550b522d
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12351/1a086704-73e0-43db-87a7-fee4cf2518ef
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12366/ac22826d-1f0c-47ca-a745-d52362749d52
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://0.0.0.0:12361/86a78680-52b3-4a47-9250-529eaa308a6b
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://[::1]:12376/744a25a8-b1ad-4351-948b-38d5cd959926
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12386/56a7d647-bcd1-4b7d-87e9-0c6374a26fe1
    For help see https://nodejs.org/en/docs/inspector
    Debugger listening on ws://127.0.0.1:12381/5083d73a-b46c-4b2e-8c67-58c86f51fdb9
    For help see https://nodejs.org/en/docs/inspector
    node[27553]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27553]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: Debugger listening on ws://127.0.0.1:12391/339d35cf-af3c-4332-85cf-23c05b2cc96d
    For help see https://nodejs.org/en/docs/inspector
    node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27543]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27543]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    Debugger listening on ws://[::]:12371/a06cbab2-38e2-49d7-a1e0-752d437970b8
    For help see https://nodejs.org/en/docs/inspector
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    Debugger listening on ws://127.0.0.1:12406/4db10d1c-17a0-4134-a981-a2aa98f7e9ff
    For help see https://nodejs.org/en/docs/inspector
    node[27562]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27562]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    Debugger listening on ws://127.0.0.1:12396/2adf877b-8a1a-4558-acaa-9511aae1b852
    For help see https://nodejs.org/en/docs/inspector
    events.js:111
          throw er; // Unhandled 'error' event
          ^
    
    Error: spawn /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node EAGAIN
        at _errnoException (util.js:1013:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:201:19)
        at onErrorNT (internal/child_process.js:389:16)
        at process._tickCallback (internal/process/next_tick.js:152:19)
        at Function.Module.runMain (module.js:703:11)
        at startup (bootstrap_node.js:195:16)
        at bootstrap_node.js:646:3
    node[27597]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27597]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27599]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27599]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    node[27596]: pthread_create: Resource temporarily unavailable
    /home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node[27596]: ../src/inspector_io.cc:207:bool node::inspector::InspectorIo::Start(): Assertion `(uv_thread_create(&thread_, InspectorIo::ThreadMain, this)) == (0)' failed.
     1: node::Abort() [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     2: 0x1234545 [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     3: 0x12db98a [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     4: node::inspector::Agent::Start(node::NodePlatform*, char const*, node::DebugOptions const&) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     5: node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     6: node::Start(int, char**) [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
     7: __libc_start_main [/lib64/libc.so.6]
     8: _start [/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/out/Release/node]
    Debugger listening on ws://127.0.0.1:12390/f5b2e26d-f286-465d-ac9b-f58bc2ced564
    For help see https://nodejs.org/en/docs/inspector
    assert.js:43
      throw new errors.AssertionError({
      ^
    
    AssertionError [ERR_ASSERTION]: null strictEqual 0
        at Worker.checkExitCode (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/sequential/test-inspector-port-cluster.js:329:10)
        at Worker.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux/nodes/fedora24/test/common/index.js:522:15)
        at Worker.emit (events.js:126:13)
        at ChildProcess.worker.process.once (internal/cluster/master.js:184:12)
        at Object.onceWrapper (events.js:218:13)
        at ChildProcess.emit (events.js:126:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:209:12)

Activity

  1. Trott
    added
    flaky-testIssues and PRs involving tests that fail intermittently in CI.
    on Dec 10, 2017

  2. Trott commented on Dec 10, 2017

    @Trott
    Trott
    on Dec 10, 2017
    MemberAuthor

    Commonality is that both tests launch a lot of child processes and end up getting "Resource temporarily unavailable". Obvious things to try:

    • If the tests are spawning lots of processes asynchronously, maybe the tests can be rewritten to spawn one at a time and only spawn the next one when the test has finished for the first one.

    • Or maybe the tests can be split into multiple test files to reduce the number of spawned processes.

  3. Trott commented on Dec 10, 2017

    @Trott
    Trott
    on Dec 10, 2017
    MemberAuthor

    @nodejs/testing @nodejs/build

  4. Trott commented on Dec 11, 2017

    @Trott
    Trott
    on Dec 11, 2017
    MemberAuthor

    The bullet point suggested solutions above won't work for test-child-process-pass-fd because it requires the large number of processes to test for the bug that it was written for.

    Options might be:

    • Move it to pummel, which would be a shame because it would rarely be run.
    • Have it check that it's on macOS because that's the only (known) place where the bug was found. That's OK, but it probably ought be run on other platforms too.
    • Find some way to check for resource requirements that will cause the test to be skipped on our Fedora 24 setup but not on macOS and elsewhere. Downside here is that whatever we come up with might be brittle in that it might cause the test to be skipped on future macOS hosts in CI, which we really don't want.

  5. Trott commented on Dec 11, 2017

    @Trott
    Trott
    on Dec 11, 2017
    MemberAuthor

    Another possibility: Rewrite the test to accommodate "Resource temporarily unavailable".

  6. Trott commented on Dec 11, 2017

    @Trott
    Trott
    on Dec 11, 2017
    MemberAuthor

    CI stress test on master for sequential/test-child-process-pass-fd that will hopefully show it being flaky: https://ci.nodejs.org/job/node-stress-single-test/1563/nodes=fedora24/

  7. Trott commented on Dec 11, 2017

    @Trott
    Trott
    on Dec 11, 2017
    MemberAuthor

    Oh, neat-o, I guess...once the stress test fails, it then fails again and again and again. Stress test for master is red, so that at least confirms the problem.

  8. Trott
    added a commit that references this issue on Dec 11, 2017

    test: fix flaky test-child-process-pass-fd

    529f000

  9. Trott commented on Dec 12, 2017

    @Trott
    Trott
    on Dec 12, 2017
    MemberAuthor

    Proposed fix in #17598

  10. Trott
    added a commit that references this issue on Dec 13, 2017

    test: fix flaky test-child-process-pass-fd

    d64b0a8
  11. Trott
    closed this as completedin d64b0a8on Dec 13, 2017
  12. MylesBorins
    added a commit that references this issue on Jan 8, 2018

    test: fix flaky test-child-process-pass-fd

    6cb4cc2
  13. MylesBorins
    added 2 commits that reference this issue on Jan 22, 2018

    test: fix flaky test-child-process-pass-fd

    a304206

    test: fix flaky test-child-process-pass-fd

    fcc5b99
  14. MylesBorins
    added 4 commits that reference this issue on Feb 11, 2018

    test: fix flaky test-child-process-pass-fd

    be8c371

    test: fix flaky test-child-process-pass-fd

    22bc6a1

    test: fix flaky test-child-process-pass-fd

    fb0bd8a
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