1656838 - Intermittent testing/marionette/harness/marionette_harness/tests/unit/test_prefs_enforce.py TestEnforcePreferences.test_change_preference | IOError: Process killed after 120s because no connection to Marionette server could be established. Check gecko.

Status: RESOLVED INCOMPLETE

(Testing :: Marionette Client and Harness, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=311833148&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PEwAPfOiSga74nmcaiwWow/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-08-03T06:55:23.038Z] 06:55:23 INFO - DEBUG: Completed blocker Update add-on blocklist state into add-on DB for phase AddonManager: Waiting to start provider shutdown.
[task 2020-08-03T06:55:23.048Z] 06:55:23 INFO - DEBUG: Adding blocker XPIProvider shutdown for phase quit-application-granted
[task 2020-08-03T06:55:23.048Z] 06:55:23 INFO - DEBUG: Adding blocker XPIProvider for phase AddonManager: Waiting for providers to shut down.
[task 2020-08-03T06:55:23.048Z] 06:55:23 INFO - DEBUG: Adding blocker PluginProvider for phase AddonManager: Waiting for providers to shut down.
[task 2020-08-03T06:55:23.048Z] 06:55:23 INFO - DEBUG: Adding blocker ServiceWorkerRegistrar: Flushing data for phase profile-before-change
[task 2020-08-03T06:55:23.050Z] 06:55:23 INFO - DEBUG: Adding blocker CrashMonitor: Writing notifications to file after receiving profile-before-change for phase OS.File: Waiting for clients before profileBeforeChange
[task 2020-08-03T06:55:23.149Z] 06:55:23 INFO - DEBUG: Adding blocker TelemetryController: shutting down for phase profile-before-change-telemetry
[task 2020-08-03T06:55:23.158Z] 06:55:23 INFO - DEBUG: Adding blocker EnvironmentAddonBuilder for phase AddonManager: Waiting to start provider shutdown.
[task 2020-08-03T06:55:23.168Z] 06:55:23 INFO - DEBUG: Adding blocker RemoteSettingsClient - finish IDB access. for phase profile-before-change
[task 2020-08-03T06:55:23.170Z] 06:55:23 INFO - 1596437723168 Marionette TRACE Marionette enabled
[task 2020-08-03T06:55:23.230Z] 06:55:23 INFO - 1596437723223 Marionette TRACE Received observer notification toplevel-window-ready
[task 2020-08-03T06:57:22.897Z] 06:57:22 ERROR - TEST-UNEXPECTED-ERROR | testing/marionette/harness/marionette_harness/tests/unit/test_prefs_enforce.py TestEnforcePreferences.test_change_preference | IOError: Process killed after 120s because no connection to Marionette server could be established. Check gecko.log for errors

Comment 1

[Intermittent Failures Robot]

1 failures in 4618 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform breakdown:

• windows10-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1656838&startday=2020-08-03&endday=2020-08-09&tree=all

Comment 2

[Henrik Skupin [:whimboo][⌚️UTC+2]]

Missing marionette-startup-requested observer notification.

Comment 3

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

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Comment 4

[BMO Automation]

Moving bug to Testing::Marionette Client and Harness component per bug 1815831.