1646880 - Perma [tier2] TEST-UNEXPECTED-FAIL | damp | inspector/custom.js: TypeError: can't access property "getFront", target is null

Status: RESOLVED DUPLICATE of bug 1646636

(DevTools :: Inspector, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: ccoroiu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=306840023&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Ol-aH7TNREaJIcP-bk-Cng/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-06-18T23:50:57.973Z] 23:50:57 INFO - TEST-START | damp
[task 2020-06-18T23:50:57.974Z] 23:50:57 INFO - Initialising browser for damp test...
[task 2020-06-18T23:50:57.974Z] 23:50:57 INFO - Cloning profile located at /home/cltbld/tasks/task_1592524216/build/tests/talos/talos/base_profile
[task 2020-06-18T23:50:57.975Z] 23:50:57 INFO - Merging profile: /home/cltbld/tasks/task_1592524216/build/tests/talos/talos/profile_data/base
[task 2020-06-18T23:50:57.976Z] 23:50:57 INFO - Merging profile: /home/cltbld/tasks/task_1592524216/build/tests/talos/talos/profile_data/common
[task 2020-06-18T23:50:57.977Z] 23:50:57 INFO - Merging profile: /home/cltbld/tasks/task_1592524216/build/tests/talos/talos/profile_data/perf
[task 2020-06-18T23:50:57.980Z] 23:50:57 INFO - Installing Add-ons:
[task 2020-06-18T23:50:57.980Z] 23:50:57 INFO - ['/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/talos-powers', '/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/pageloader', '/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/tests/devtools/addon']
[task 2020-06-18T23:50:57.988Z] 23:50:57 INFO - Installing Webextensions:
[task 2020-06-18T23:50:57.988Z] 23:50:57 INFO - Browser initialized.
task 2020-06-18T23:51:55.109Z] 23:51:55 INFO - PID 3372 | Garbage collect
[task 2020-06-18T23:51:56.455Z] 23:51:56 INFO - PID 3372 | Reload page on 'custom.webconsole'
[task 2020-06-18T23:51:56.740Z] 23:51:56 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:51:56.821Z] 23:51:56 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:51:56.837Z] 23:51:56 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:52:02.677Z] 23:52:02 INFO - PID 3372 | Wait for pending paints on 'custom.webconsole.reload'
[task 2020-06-18T23:52:02.693Z] 23:52:02 INFO - PID 3372 | 'custom.webconsole.reload.settle.DAMP' took 14.565683000000718ms.
[task 2020-06-18T23:52:02.693Z] 23:52:02 INFO - PID 3372 | Close toolbox on 'custom.webconsole'
[task 2020-06-18T23:52:02.773Z] 23:52:02 INFO - PID 3372 | console.warn: "IGNORED REDUX ACTION:" ({type:"AUTOCOMPLETE_CLEAR"})
[task 2020-06-18T23:52:02.781Z] 23:52:02 INFO - PID 3372 | Garbage collect
[task 2020-06-18T23:52:04.125Z] 23:52:04 INFO - PID 3372 | webconsole/custom.js took 10719ms.
[task 2020-06-18T23:52:04.125Z] 23:52:04 INFO - PID 3372 | Loading test 'inspector/custom.js'
[task 2020-06-18T23:52:04.125Z] 23:52:04 INFO - PID 3372 | Executing test 'inspector/custom.js'
[task 2020-06-18T23:52:04.383Z] 23:52:04 INFO - PID 3372 | Retrieve the ContentDOMReference for a given selectorOpen the toolbox using InspectNode
[task 2020-06-18T23:52:04.524Z] 23:52:04 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:52:04.544Z] 23:52:04 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:52:04.572Z] 23:52:04 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:52:04.587Z] 23:52:04 INFO - PID 3372 | ATTENTION: default value of option force_s3tc_enable overridden by environment.
[task 2020-06-18T23:52:04.644Z] 23:52:04 INFO - PID 3372 | console.error: "Store does not have a valid reducer. Make sure the argument passed to combineReducers is an object whose values are reducers."
[task 2020-06-18T23:52:04.808Z] 23:52:04 ERROR - PID 3372 | TEST-UNEXPECTED-FAIL | damp | inspector/custom.js: TypeError: can't access property "getFront", target is null
[task 2020-06-18T23:52:04.811Z] 23:52:04 INFO - PID 3372 | getNodeActorFromContentDomReference@resource://devtools/client/fronts/inspector.js:212:24
[task 2020-06-18T23:52:04.811Z] 23:52:04 INFO - PID 3372 |
[task 2020-06-18T23:52:04.852Z] 23:52:04 INFO - Terminating psutil.Process(pid=3372, name='firefox-bin', started='23:50:57')
[task 2020-06-18T23:52:04.879Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.880Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.880Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.881Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.881Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.881Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.881Z] 23:52:04 INFO - PID 3372 | Exiting due to channel error.
[task 2020-06-18T23:52:04.921Z] 23:52:04 INFO - mozcrash checking /tmp/tmpz6D4Wt/profile/minidumps for minidumps...
[task 2020-06-18T23:52:04.921Z] 23:52:04 INFO - TEST-UNEXPECTED-ERROR | damp | unexpected error
[task 2020-06-18T23:52:04.921Z] 23:52:04 ERROR - Traceback (most recent call last):
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - File "/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/run_tests.py", line 306, in run_tests
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - talos_results.add(mytest.runTest(browser_config, test))
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - File "/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/ttest.py", line 64, in runTest
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - return self._runTest(browser_config, test_config, setup)
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - File "/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/ttest.py", line 216, in _runTest
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - debugger_args=browser_config['debugger_args']
[task 2020-06-18T23:52:04.922Z] 23:52:04 INFO - File "/home/cltbld/tasks/task_1592524216/build/tests/talos/talos/talos_process.py", line 173, in run_browser
[task 2020-06-18T23:52:04.923Z] 23:52:04 INFO - raise TalosError("unexpected error")
[task 2020-06-18T23:52:04.923Z] 23:52:04 INFO - TalosError: unexpected error
[task 2020-06-18T23:52:04.923Z] 23:52:04 INFO - TEST-INFO took 66948ms
[task 2020-06-18T23:52:04.923Z] 23:52:04 INFO - SUITE-END | took 66s
[task 2020-06-18T23:52:05.285Z] 23:52:05 ERROR - Return code: 2
[task 2020-06-18T23:52:05.285Z] 23:52:05 WARNING - setting return code to 2
[task 2020-06-18T23:52:05.285Z] 23:52:05 ERROR - # TBPL FAILURE #

Comment 1

[Intermittent Failures Robot]

15 failures in 872 pushes (0.017 failures/push) were associated with this bug yesterday.

Repository breakdown:

• mozilla-central: 15

Platform breakdown:

• linux64-shippable-qr: 14
• windows10-64-shippable-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1646880&startday=2020-06-18&endday=2020-06-18&tree=all

Comment 2

[Noemi Erli[:noemi_erli]]

This seems to have started with the landing of Bug 1639934:
https://treeherder.mozilla.org/#/jobs?repo=autoland&searchStr=Linux%2Cx64%2CWebRender%2CShippable%2Copt%2CTalos%2Cperformance%2Ctests%2Cwith%2Cfission%2Cenabled%2Ctest-linux64-shippable-qr%2Fopt-talos-damp-fis-e10s%2CT-fis%28damp%29&tochange=081d5f77c22a732948dc19e5f6aa495face21e58&fromchange=fa227b47dac7d36509db39ccd0cac4684300226c&selectedTaskRun=Y7WkXKYHRfGdW1iNTCmojw.0
Julian, could you please take a look at this?

Comment 3

[Julian Descottes [:jdescottes]]

See also Bug 1646636 comment 4

Comment 4

[Intermittent Failures Robot]

30 failures in 4035 pushes (0.007 failures/push) were associated with this bug in the last 7 days.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• mozilla-central: 30

Platform breakdown:

• linux64-shippable-qr: 21
• windows10-64-shippable-qr: 9

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1646880&startday=2020-06-15&endday=2020-06-21&tree=all

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1639934

Comment 6

[Intermittent Failures Robot]

43 failures in 5252 pushes (0.008 failures/push) were associated with this bug in the last 7 days.

This is the #35 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• mozilla-central: 43

Platform breakdown:

• windows10-64-shippable-qr: 21
• linux64-shippable-qr: 21
• windows10-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1646880&startday=2020-06-22&endday=2020-06-28&tree=all

Comment 7

[Julian Descottes [:jdescottes]]

This was fixed together with Bug 1646636

Comment 8

[Intermittent Failures Robot]

11 failures in 4516 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 10
• try: 1

Platform breakdown:

• linux64-shippable-qr: 5
• windows10-64-shippable-qr: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1646880&startday=2020-06-29&endday=2020-07-05&tree=all