1773637 - Intermittent TEST-UNEXPECTED-TIMEOUT | /css/selectors/focus-visible-017.html | TestRunner hit external timeout (this may indicate a hang)

Status: RESOLVED INCOMPLETE

(Core :: CSS Parsing and Computation, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: bszekely [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=380851185&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SSyUsLEOSSiCcpYhqDWGeg/runs/0/artifacts/public/logs/live_backing.log

---

[task 2022-06-10T04:44:01.069Z] 04:44:01     INFO - PID 4811 |     #21 0x7fe082030327 in mozilla::dom::ScriptLoader::ProcessRequest(JS::loader::ScriptLoadRequest*) /builds/worker/checkouts/gecko/dom/script/ScriptLoader.cpp:1848:10
[task 2022-06-10T04:44:01.070Z] 04:44:01     INFO - PID 4811 |     #22 0x7fe082032900 in mozilla::dom::ScriptLoader::ProcessOffThreadRequest(JS::loader::ScriptLoadRequest*) /builds/worker/checkouts/gecko/dom/script/ScriptLoader.cpp:1482:5
[task 2022-06-10T04:44:01.071Z] 04:44:01     INFO - PID 4811 |     #23 0x7fe082047393 in mozilla::dom::(anonymous namespace)::NotifyOffThreadScriptLoadCompletedRunnable::Run() /builds/worker/checkouts/gecko/dom/script/ScriptLoader.cpp:1548:18
[task 2022-06-10T04:44:01.071Z] 04:44:01     INFO - PID 4811 |     #24 0x7fe07a6bd2df in mozilla::SchedulerGroup::Runnable::Run() /builds/worker/checkouts/gecko/xpcom/threads/SchedulerGroup.cpp:140:20
[task 2022-06-10T04:44:01.072Z] 04:44:01     INFO - PID 4811 |     #25 0x7fe07a70ade2 in mozilla::RunnableTask::Run() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:475:16
[task 2022-06-10T04:44:01.072Z] 04:44:01     INFO - PID 4811 |     #26 0x7fe07a6d04e5 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:788:26
[task 2022-06-10T04:44:01.073Z] 04:44:01     INFO - PID 4811 |     #27 0x7fe07a6cd698 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:620:15
[task 2022-06-10T04:44:01.073Z] 04:44:01     INFO - PID 4811 |     #28 0x7fe07a6cddc0 in mozilla::TaskController::ProcessPendingMTTask(bool) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:398:36
[task 2022-06-10T04:44:01.076Z] 04:44:01     INFO - PID 4811 |     #29 0x7fe07a713ae1 in operator() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:124:37
[task 2022-06-10T04:44:01.076Z] 04:44:01     INFO - PID 4811 |     #30 0x7fe07a713ae1 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:531:5
[task 2022-06-10T04:44:01.077Z] 04:44:01     INFO - PID 4811 |     #31 0x7fe07a6f11c7 in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1180:16
[task 2022-06-10T04:44:01.077Z] 04:44:01     INFO - TEST-UNEXPECTED-TIMEOUT | /css/selectors/focus-visible-017.html | TestRunner hit external timeout (this may indicate a hang)
[task 2022-06-10T04:44:01.077Z] 04:44:01     INFO - TEST-INFO took 45062ms
[task 2022-06-10T04:44:01.077Z] 04:44:01     INFO - PID 4811 |     #32 0x7fe07a6fb5f4 in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:465:10
[task 2022-06-10T04:44:01.078Z] 04:44:01     INFO - PID 4811 |     #33 0x7fe07bcddfc8 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:85:21
[task 2022-06-10T04:44:01.079Z] 04:44:01     INFO - PID 4811 |     #21 0x7f71231ee106 in js::GlobalObject::getOrCreatePrototype(JSContext*, JSProtoKey) /builds/worker/checkouts/gecko/js/src/vm/GlobalObject.h:346:10
[task 2022-06-10T04:44:01.080Z] 04:44:01     INFO - PID 4811 |     #22 0x7f712335f3a3 in js::NewObjectWithClassProto(JSContext*, JSClass const*, JS::Handle<JSObject*>, js::gc::AllocKind, js::NewObjectKind) /builds/worker/checkouts/gecko/js/src/vm/JSObject.cpp:814:21
[task 2022-06-10T04:44:01.084Z] 04:44:01     INFO - PID 4811 |     #23 0x7f71231321cd in NewObjectWithClassProto /builds/worker/checkouts/gecko/js/src/vm/JSObject-inl.h:445:10
[task 2022-06-10T04:44:01.084Z] 04:44:01     INFO - PID 4811 |     #24 0x7f71231321cd in NewObjectWithClassProto<js::MapObject> /builds/worker/checkouts/gecko/js/src/vm/JSObject-inl.h:450:19

Comment 1

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 1772495

Comment 2

[Intermittent Failures Robot]

2 failures in 3336 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform and build breakdown:

• linux1804-64-asan-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1773637&startday=2022-06-06&endday=2022-06-12&tree=all

Comment 3

[Daniel Holbert [:dholbert]]

Maybe this went away? (e.g. due to this being a downstream effect of some other bad test which was later disabled for other reasons)

It looks like we only have 2 failures annotated here, both on the same push (the push where this test was added), and then there have been zero annotated failures since then.

The odds of this intermittently failing twice on the test's first-ever push and then never again for >10 days by chance are pretty low. :)

Comment 4

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 1772495

Comment 5

[BugBot [:suhaib / :marco]]

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

Comment 6

[Daniel Holbert [:dholbert]]

There's still only those 2 failures that were ever recorded here, FWIW (the two that I mentioned in comment 3, for the same hg revision, on 6/10).

So, seems likely there was something wrong that was fixed-by-backout, or a temporary infrastructure issue, or something along those lines.