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test-cpu-prof-worker-argv multiple assertion errors #34031

Closed
#42055
Closed
test-cpu-prof-worker-argv multiple assertion errors#34031
#42055
Labels
flaky-testIssues and PRs involving tests that fail intermittently in CI.macosIssues and PRs related to the macOS platform.

Description

@rickyes
rickyes
opened on Jun 23, 2020

I have encountered this error twice.

  • Test: sequential/test-cpu-prof-worker-argv
  • Platform: macOS
  • Console Output:
=== release test-cpu-prof-worker-argv ===
Path: sequential/test-cpu-prof-worker-argv
--- stderr ---
assert.js:103
  throw new AssertionError(obj);
  ^

AssertionError [ERR_ASSERTION]: Expected "actual" not to be strictly deep-equal to: []
    at verifyFrames (/Users/runner/runners/2.263.0/work/node/node/test/common/cpu-prof.js:34:10)
    at Object.<anonymous> (/Users/runner/runners/2.263.0/work/node/node/test/sequential/test-cpu-prof-worker-argv.js:37:3)
    at Module._compile (internal/modules/cjs/loader.js:1217:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1238:10)
    at Module.load (internal/modules/cjs/loader.js:1066:32)
    at Function.Module._load (internal/modules/cjs/loader.js:954:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
    at internal/main/run_main_module.js:17:47 {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: [],
  expected: [],
  operator: 'notDeepStrictEqual'
}

Activity

  1. rickyes
    added
    flaky-testIssues and PRs involving tests that fail intermittently in CI.
    on Jun 23, 2020

  2. Trott commented on Jun 28, 2020

    @Trott
    Trott
    on Jun 28, 2020
    Member

    Seeing it on GitHub Actions CI for macOS too.

    https://github.com/nodejs/node/pull/34096/checks?check_run_id=815269380

      Path: sequential/test-cpu-prof-worker-argv
--- stderr ---
assert.js:103
  throw new AssertionError(obj);
  ^

AssertionError [ERR_ASSERTION]: Expected "actual" not to be strictly deep-equal to: []
    at verifyFrames (/Users/runner/runners/2.263.0/work/node/node/test/common/cpu-prof.js:34:10)
    at Object.<anonymous> (/Users/runner/runners/2.263.0/work/node/node/test/sequential/test-cpu-prof-worker-argv.js:37:3)
    at Module._compile (internal/modules/cjs/loader.js:1217:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1238:10)
    at Module.load (internal/modules/cjs/loader.js:1066:32)
    at Function.Module._load (internal/modules/cjs/loader.js:954:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
    at internal/main/run_main_module.js:17:47 {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: [],
  expected: [],
  operator: 'notDeepStrictEqual'
}

    There is a lot of stuff in stdout but GitHub Actions does not make copy/paste for large things easy. (It's entirely possible there is a way to make it easy, but I"m unfamiliar with the interface for the most part.) Here's how it starts:

    [
  {
    id: 1,
    callFrame: {
      functionName: '(root)',
      scriptId: '0',
      url: '',
      lineNumber: -1,
      columnNumber: -1
    },
    hitCount: 0,
    children: [ 2, 3, 10, 19, 20, 38 ]
  },
  {
    id: 2,
    callFrame: {
      functionName: '(program)',
      scriptId: '0',
      url: '',
      lineNumber: -1,

  3. Trott commented on Dec 14, 2020

    @Trott
    Trott
    on Dec 14, 2020
    Member

    Again on macOS CI today:

    https://ci.nodejs.org/job/node-test-commit-osx/37895/nodes=osx1015/console

    Details 
    00:23:31 not ok 3106 sequential/test-cpu-prof-worker-argv
00:23:31   ---
00:23:31   duration_ms: 0.821
00:23:31   severity: fail
00:23:31   exitcode: 1
00:23:31   stack: |-
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00:23:31         id: 53,
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00:23:31         positionTicks: [ [Object] ]
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00:23:31     ]
00:23:31     node:assert:119
00:23:31       throw new AssertionError(obj);
00:23:31       ^
00:23:31     
00:23:31     AssertionError [ERR_ASSERTION]: Expected "actual" not to be strictly deep-equal to: []
00:23:31         at verifyFrames (/Users/iojs/build/workspace/node-test-commit-osx/nodes/osx1015/test/common/cpu-prof.js:34:10)
00:23:31         at Object.<anonymous> (/Users/iojs/build/workspace/node-test-commit-osx/nodes/osx1015/test/sequential/test-cpu-prof-worker-argv.js:37:3)
00:23:31         at Module._compile (node:internal/modules/cjs/loader:1108:14)
00:23:31         at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
00:23:31         at Module.load (node:internal/modules/cjs/loader:973:32)
00:23:31         at Function.Module._load (node:internal/modules/cjs/loader:813:14)
00:23:31         at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)
00:23:31         at node:internal/main/run_main_module:17:47 {
00:23:31       generatedMessage: true,
00:23:31       code: 'ERR_ASSERTION',
00:23:31       actual: [],
00:23:31       expected: [],
00:23:31       operator: 'notDeepStrictEqual'
00:23:31     }
00:23:31   ...

  4. Trott commented on Dec 14, 2020

    @Trott
    Trott
    on Dec 14, 2020
    Member

    Stress test: https://ci.nodejs.org/job/node-stress-single-test/208/

  5. Trott commented on Dec 14, 2020

    @Trott
    Trott
    on Dec 14, 2020
    Member

    Stress test: https://ci.nodejs.org/job/node-stress-single-test/208/

    Failed 5 times in 1000 runs on osx15 and 1 time in 1000 runs on osx14.

  6. Trott commented on Jan 6, 2021

    @Trott
    Trott
    on Jan 6, 2021
    Member

    Saw it again today at https://ci.nodejs.org/job/node-test-commit-osx/38260/nodes=osx1014/console.

    Details 
    00:16:59 not ok 3121 sequential/test-cpu-prof-worker-argv
00:17:00   ---
00:17:00   duration_ms: 0.426
00:17:00   severity: fail
00:17:00   exitcode: 1
00:17:00   stack: |-
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00:17:00           columnNumber: 28
00:17:00         },
00:17:00         hitCount: 0,
00:17:00         children: [ 41 ]
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00:17:00       {
00:17:00         id: 41,
00:17:00         callFrame: {
00:17:00           functionName: 'compileForInternalLoader',
00:17:00           scriptId: '9',
00:17:00           url: 'node:internal/bootstrap/loaders',
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00:17:00         children: [ 42 ]
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00:17:00       {
00:17:00         id: 42,
00:17:00         callFrame: {
00:17:00           functionName: '',
00:17:00           scriptId: '88',
00:17:00           url: 'node:internal/fs/promises',
00:17:00           lineNumber: 0,
00:17:00           columnNumber: 0
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00:17:00         id: 43,
00:17:00         callFrame: {
00:17:00           functionName: 'EventEmitterMixin',
00:17:00           scriptId: '35',
00:17:00           url: 'node:internal/event_target',
00:17:00           lineNumber: 653,
00:17:00           columnNumber: 26
00:17:00         },
00:17:00         hitCount: 1,
00:17:00         positionTicks: [ [Object] ]
00:17:00       },
00:17:00       {
00:17:00         id: 44,
00:17:00         callFrame: {
00:17:00           functionName: 'executeUserEntryPoint',
00:17:00           scriptId: '94',
00:17:00           url: 'node:internal/modules/run_main',
00:17:00           lineNumber: 68,
00:17:00           columnNumber: 30
00:17:00         },
00:17:00         hitCount: 0,
00:17:00         children: [ 45 ]
00:17:00       },
00:17:00       {
00:17:00         id: 45,
00:17:00         callFrame: {
00:17:00           functionName: 'Module._load',
00:17:00           scriptId: '70',
00:17:00           url: 'node:internal/modules/cjs/loader',
00:17:00           lineNumber: 747,
00:17:00           columnNumber: 23
00:17:00         },
00:17:00         hitCount: 0,
00:17:00         children: [ 46 ]
00:17:00       },
00:17:00       {
00:17:00         id: 46,
00:17:00         callFrame: {
00:17:00           functionName: 'Module.load',
00:17:00           scriptId: '70',
00:17:00           url: 'node:internal/modules/cjs/loader',
00:17:00           lineNumber: 960,
00:17:00           columnNumber: 32
00:17:00         },
00:17:00         hitCount: 0,
00:17:00         children: [ 47 ]
00:17:00       },
00:17:00       {
00:17:00         id: 47,
00:17:00         callFrame: {
00:17:00           functionName: 'Module._extensions..js',
00:17:00           scriptId: '70',
00:17:00           url: 'node:internal/modules/cjs/loader',
00:17:00           lineNumber: 1116,
00:17:00           columnNumber: 36
00:17:00         },
00:17:00         hitCount: 1,
00:17:00         positionTicks: [ [Object] ]
00:17:00       }
00:17:00     ]
00:17:00     node:assert:119
00:17:00       throw new AssertionError(obj);
00:17:00       ^
00:17:00     
00:17:00     AssertionError [ERR_ASSERTION]: Expected "actual" not to be strictly deep-equal to: []
00:17:00         at verifyFrames (/Users/iojs/build/workspace/node-test-commit-osx/nodes/osx1014/test/common/cpu-prof.js:34:10)
00:17:00         at Object.<anonymous> (/Users/iojs/build/workspace/node-test-commit-osx/nodes/osx1014/test/sequential/test-cpu-prof-worker-argv.js:37:3)
00:17:00         at Module._compile (node:internal/modules/cjs/loader:1108:14)
00:17:00         at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
00:17:00         at Module.load (node:internal/modules/cjs/loader:973:32)
00:17:00         at Function.Module._load (node:internal/modules/cjs/loader:813:14)
00:17:00         at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12)
00:17:00         at node:internal/main/run_main_module:17:47 {
00:17:00       generatedMessage: true,
00:17:00       code: 'ERR_ASSERTION',
00:17:00       actual: [],
00:17:00       expected: [],
00:17:00       operator: 'notDeepStrictEqual'
00:17:00     }
00:17:00   ...
  7. Trott
    added
    macosIssues and PRs related to the macOS platform.
    on Jan 6, 2021

  8. Trott commented on Jan 6, 2021

    @Trott
    Trott
    on Jan 6, 2021
    Member

    @joyeecheung Based on the output, would you say that the test is valid but should be made more lenient? Or is there a bug somewhere (in Node.js or in the test or in a dependency)?

  9. joyeecheung commented on Jan 8, 2021

    @joyeecheung
    joyeecheung
    on Jan 8, 2021
    Member

    @Trott Making the test more lenient SGTM, though it's difficult to say what parameters would be good for the CI. Maybe tuning the CPU_PROF_INTERVAL in the test down would help. It might also help to tune the FIB environment variable up so that the workload lasts longer, though that would lead to longer test running time.

  10. Trott commented on Feb 19, 2022

    @Trott
    Trott
    on Feb 19, 2022
    Member

    This seems to not be failing on macOS in CI anymore (or at least not with noticeable frequency) but has been failing a lot in CI on FreeBSD 12.

    • Confirm that a stress test on FreeBSD fails
    • Try decreasing CPU_PROF_INTERVAL to see if that fixes it
    • Try increasing FIB
    • If the fixed test takes a long time to run, consider moving it to pummel

    Of course, if that approach doesn't fix the test, then we'll have to add more things to try.

  11. Trott commented on Feb 19, 2022

    @Trott
    Trott
    on Feb 19, 2022
    Member
    • Confirm that a stress test on FreeBSD fails

    https://ci.nodejs.org/job/node-stress-single-test/324/

    EDIT: 76 failures in 1000 runs.

  12. Trott commented on Feb 19, 2022

    @Trott
    Trott
    on Feb 19, 2022
    Member
    • Try decreasing CPU_PROF_INTERVAL to see if that fixes it

    Stress test with CPU_PROF_INTERVAL reduced from 50 to 32: https://ci.nodejs.org/job/node-stress-single-test/325/

    EDIT: 98 failures so that seems to have made it worse, if anything.

  13. Trott commented on Feb 19, 2022

    @Trott
    Trott
    on Feb 19, 2022
    Member
    • Try increasing FIB

    Stress test with FIB increased from 30 to 40: https://ci.nodejs.org/job/node-stress-single-test/328/

    EDIT: This seems to have fixed it. If it doesn't cause timeouts on the Pi devices, this is probably the way to go.

  14. Trott commented on Feb 19, 2022

    @Trott
    Trott
    on Feb 19, 2022
    Member
    • Try decreasing CPU_PROF_INTERVAL to see if that fixes it
    • Try increasing FIB

    Stress test that does both: https://ci.nodejs.org/job/node-stress-single-test/327/

  15. Trott
    added a commit that references this issue on Feb 19, 2022

    test: increase Fibonacci argument to 40

    c2b4e2b
  16. nodejs-github-bot
    closed this as completedin #42055on Feb 21, 2022
  17. nodejs-github-bot
    added a commit that references this issue on Feb 21, 2022

    test: increase Fibonacci argument to 40

    0ab4a1c
  18. sxa
    added a commit that references this issue on Mar 7, 2022

    test: increase Fibonacci argument to 40

    9930146
  19. danielleadams
    added 4 commits that reference this issue on Apr 21, 2022

    test: increase Fibonacci argument to 40

    1a681d3

    test: increase Fibonacci argument to 40

    17af006
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