1664348 - Intermittent dom/html/test/test_fullscreen-api.html | assertion count 1 is more than expected 0 assertions

Status: RESOLVED DUPLICATE of bug 1664132

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: nbeleuzu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=315382173&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/WhOzcwjtQsSwjvJgMBRmcg/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-09-10T22:54:11.691Z] 22:54:11     INFO - GECKO(2284) | JavaScript error: resource:///actors/DOMFullscreenParent.jsm, line 119: Error: TelemetryStopwatch: key "FULLSCREEN_CHANGE_MS" was already initialized
[task 2020-09-10T22:54:11.706Z] 22:54:11     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: Scrolled rect smaller than scrollport?: file /builds/worker/checkouts/gecko/layout/generic/nsGfxScrollFrame.cpp, line 6798
[task 2020-09-10T22:54:11.706Z] 22:54:11     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: Scrolled rect smaller than scrollport?: file /builds/worker/checkouts/gecko/layout/generic/nsGfxScrollFrame.cpp, line 6801
[task 2020-09-10T22:54:11.706Z] 22:54:11     INFO - GECKO(2284) | JavaScript error: resource:///actors/DOMFullscreenParent.jsm, line 83: Error: TelemetryStopwatch: finishing nonexisting stopwatch. Histogram: "FULLSCREEN_CHANGE_MS", key: ""
[task 2020-09-10T22:54:11.741Z] 22:54:11     INFO - GECKO(2284) | JavaScript error: resource:///actors/DOMFullscreenParent.jsm, line 83: Error: TelemetryStopwatch: finishing nonexisting stopwatch. Histogram: "FULLSCREEN_CHANGE_MS", key: ""
[task 2020-09-10T22:54:11.796Z] 22:54:11     INFO - GECKO(2284) | [Parent 1868, Main Thread] WARNING: NS_ENSURE_TRUE(rootFrame) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp, line 4272
[task 2020-09-10T22:54:12.075Z] 22:54:12     INFO - GECKO(2284) | [Parent 1868, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp, line 4270
[task 2020-09-10T22:54:12.514Z] 22:54:12     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp, line 348
[task 2020-09-10T22:54:12.514Z] 22:54:12     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp, line 348
[task 2020-09-10T22:54:12.593Z] 22:54:12     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: Scrolled rect smaller than scrollport?: file /builds/worker/checkouts/gecko/layout/generic/nsGfxScrollFrame.cpp, line 6798
[task 2020-09-10T22:54:12.593Z] 22:54:12     INFO - GECKO(2284) | [Child 2248, Main Thread] WARNING: Scrolled rect smaller than scrollport?: file /builds/worker/checkouts/gecko/layout/generic/nsGfxScrollFrame.cpp, line 6801
[task 2020-09-10T22:54:12.760Z] 22:54:12     INFO - GECKO(2284) | MEMORY STAT | vsize 667MB | vsizeMaxContiguous 655MB | residentFast 176MB | heapAllocated 14MB
[task 2020-09-10T22:54:12.943Z] 22:54:12     INFO - TEST-OK | dom/html/test/test_fullscreen-api.html | took 31844ms
[task 2020-09-10T22:54:12.983Z] 22:54:12     INFO - TEST-UNEXPECTED-FAIL | dom/html/test/test_fullscreen-api.html | assertion count 1 is more than expected 0 assertions```

Comment 1

[Intermittent Failures Robot]

2 failures in 3410 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Platform breakdown:

• windows7-32: 1
• windows10-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1664348&startday=2020-09-07&endday=2020-09-13&tree=all

Comment 2

[Intermittent Failures Robot]

6 failures in 3760 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4
• mozilla-central: 2

Platform breakdown:

• windows10-64: 2
• windows10-64-qr: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1664348&startday=2020-09-14&endday=2020-09-20&tree=all

Comment 3

[Cosmin Sabou [:CosminS]]

The failure here is this assertion:

[task 2020-09-10T23:11:00.793Z] 23:11:00     INFO - TEST-START | layout/generic/test/test_bug394239.html
[task 2020-09-10T23:11:00.860Z] 23:11:00     INFO - GECKO(3044) | [Child 5204, Main Thread] WARNING: Out-of-flow frame got reflowed before its placeholder: file /builds/worker/checkouts/gecko/layout/generic/nsPlaceholderFrame.cpp, line 132
[task 2020-09-10T23:11:01.400Z] 23:11:01     INFO - GECKO(3044) | MEMORY STAT | vsize 559MB | vsizeMaxContiguous 602MB | residentFast 93MB | heapAllocated 7MB
[task 2020-09-10T23:11:01.400Z] 23:11:01     INFO - GECKO(3044) | [Child 5204, Main Thread] ###!!! ASSERTION: Placeholder relationship should have been torn down already; this might mean we have a stray placeholder in the tree.: '!placeholder || nsLayoutUtils::IsProperAncestorFrame( aDestructRoot, placeholder)', file /builds/worker/checkouts/gecko/layout/generic/nsIFrame.cpp, line 808
[task 2020-09-10T23:11:01.475Z] 23:11:01     INFO - GECKO(3044) | #01: nsContainerFrame::DestroyFrom(nsIFrame*, mozilla::layout::PostFrameDestroyData&) [layout/generic/nsContainerFrame.cpp:287]
[task 2020-09-10T23:11:01.475Z] 23:11:01     INFO - GECKO(3044) | #02: nsFrameList::DestroyFramesFrom(nsIFrame*, mozilla::layout::PostFrameDestroyData&) [layout/generic/nsFrameList.cpp:51]
[task 2020-09-10T23:11:01.475Z] 23:11:01     INFO - GECKO(3044) | #03: nsContainerFrame::DestroyFrom(nsIFrame*, mozilla::layout::PostFrameDestroyData&) [layout/generic/nsContainerFrame.cpp:213]
[task 2020-09-10T23:11:01.476Z] 23:11:01     INFO - GECKO(3044) | #04: nsBlockFrame::DoRemoveFrameInternal(nsIFrame*, unsigned int, mozilla::layout::PostFrameDestroyData&) [layout/generic/nsBlockFrame.cpp:6301]
[task 2020-09-10T23:11:01.477Z] 23:11:01     INFO - GECKO(3044) | #05: nsBlockFrame::RemoveFrame(mozilla::layout::FrameChildListID, nsIFrame*) [layout/generic/nsBlockFrame.cpp:5611]
[task 2020-09-10T23:11:01.477Z] 23:11:01     INFO - GECKO(3044) | #06: nsCSSFrameConstructor::ContentRemoved(nsIContent*, nsIContent*, nsCSSFrameConstructor::RemoveFlags) [layout/base/nsCSSFrameConstructor.cpp:7591]
[task 2020-09-10T23:11:01.477Z] 23:11:01     INFO - GECKO(3044) | #07: nsCSSFrameConstructor::RecreateFramesForContent(nsIContent*, nsCSSFrameConstructor::InsertionKind) [layout/base/nsCSSFrameConstructor.cpp:8571]
[task 2020-09-10T23:11:01.478Z] 23:11:01     INFO - GECKO(3044) | #08: mozilla::RestyleManager::ProcessRestyledFrames(nsStyleChangeList&) [layout/base/RestyleManager.cpp:1361]
[task 2020-09-10T23:11:01.478Z] 23:11:01     INFO - GECKO(3044) | #09: mozilla::RestyleManager::DoProcessPendingRestyles(mozilla::ServoTraversalFlags) [layout/base/RestyleManager.cpp:3038]
[task 2020-09-10T23:11:01.479Z] 23:11:01     INFO - GECKO(3044) | #10: mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) [layout/base/PresShell.cpp:4196]
[task 2020-09-10T23:11:01.479Z] 23:11:01     INFO - GECKO(3044) | #11: mozilla::PresShell::FlushPendingNotifications(mozilla::ChangesToFlush) [layout/base/PresShell.h:1412]
[task 2020-09-10T23:11:01.480Z] 23:11:01     INFO - GECKO(3044) | #12: nsRefreshDriver::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) [layout/base/nsRefreshDriver.cpp:2111]
[task 2020-09-10T23:11:01.480Z] 23:11:01     INFO - GECKO(3044) | #13: mozilla::RefreshDriverTimer::TickRefreshDrivers(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver> >&) [layout/base/nsRefreshDriver.cpp:351]
[task 2020-09-10T23:11:01.481Z] 23:11:01     INFO - GECKO(3044) | #14: mozilla::RefreshDriverTimer::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) [layout/base/nsRefreshDriver.cpp:368]
[task 2020-09-10T23:11:01.481Z] 23:11:01     INFO - GECKO(3044) | #15: mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) [layout/base/nsRefreshDriver.cpp:736]
[task 2020-09-10T23:11:01.481Z] 23:11:01     INFO - GECKO(3044) | #16: mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::NotifyParentProcessVsync() [layout/base/nsRefreshDriver.cpp:638]
[task 2020-09-10T23:11:01.482Z] 23:11:01     INFO - GECKO(3044) | #17: mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::ParentProcessVsyncNotifier::Run() [layout/base/nsRefreshDriver.cpp:538]
[task 2020-09-10T23:11:01.482Z] 23:11:01     INFO - GECKO(3044) | #18: mozilla::RunnableTask::Run() [xpcom/threads/TaskController.cpp:243]
[task 2020-09-10T23:11:01.482Z] 23:11:01     INFO - GECKO(3044) | #19: mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex &> const&) [xpcom/threads/TaskController.cpp:513]
[task 2020-09-10T23:11:01.482Z] 23:11:01     INFO - GECKO(3044) | #20: mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex &> const&) [xpcom/threads/TaskController.cpp:371]
[task 2020-09-10T23:11:01.483Z] 23:11:01     INFO - GECKO(3044) | #21: mozilla::TaskController::ProcessPendingMTTask(bool) [xpcom/threads/TaskController.cpp:170]
[task 2020-09-10T23:11:01.484Z] 23:11:01     INFO - GECKO(3044) | #22: mozilla::detail::RunnableFunction<`lambda at /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:83:7'>::Run() [xpcom/threads/nsThreadUtils.h:578]
[task 2020-09-10T23:11:01.484Z] 23:11:01     INFO - GECKO(3044) | #23: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1236]
[task 2020-09-10T23:11:01.484Z] 23:11:01     INFO - GECKO(3044) | #24: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:513]
[task 2020-09-10T23:11:01.484Z] 23:11:01     INFO - GECKO(3044) | #25: mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:87]
[task 2020-09-10T23:11:01.485Z] 23:11:01     INFO - GECKO(3044) | #26: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:334]
[task 2020-09-10T23:11:01.485Z] 23:11:01     INFO - GECKO(3044) | #27: MessageLoop::RunHandler() [ipc/chromium/src/base/message_loop.cc:328]
[task 2020-09-10T23:11:01.485Z] 23:11:01     INFO - GECKO(3044) | #28: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:310]
[task 2020-09-10T23:11:01.485Z] 23:11:01     INFO - GECKO(3044) | #29: nsBaseAppShell::Run() [widget/nsBaseAppShell.cpp:139]
[task 2020-09-10T23:11:01.486Z] 23:11:01     INFO - GECKO(3044) | #30: nsAppShell::Run() [widget/windows/nsAppShell.cpp:602]
[task 2020-09-10T23:11:01.486Z] 23:11:01     INFO - GECKO(3044) | #31: XRE_RunAppShell() [toolkit/xre/nsEmbedFunctions.cpp:913]
[task 2020-09-10T23:11:01.487Z] 23:11:01     INFO - GECKO(3044) | #32: mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:237]
[task 2020-09-10T23:11:01.488Z] 23:11:01     INFO - GECKO(3044) | #33: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:334]
[task 2020-09-10T23:11:01.488Z] 23:11:01     INFO - GECKO(3044) | #34: MessageLoop::RunHandler() [ipc/chromium/src/base/message_loop.cc:328]
[task 2020-09-10T23:11:01.488Z] 23:11:01     INFO - GECKO(3044) | #35: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:310]
[task 2020-09-10T23:11:01.488Z] 23:11:01     INFO - GECKO(3044) | #36: XRE_InitChildProcess(int, char**, XREChildData const*) [toolkit/xre/nsEmbedFunctions.cpp:748]
[task 2020-09-10T23:11:01.489Z] 23:11:01     INFO - GECKO(3044) | #37: mozilla::BootstrapImpl::XRE_InitChildProcess(int, char**, XREChildData const*) [toolkit/xre/Bootstrap.cpp:67]
[task 2020-09-10T23:11:01.490Z] 23:11:01     INFO - GECKO(3044) | #38: NS_internal_main(int, char**, char**) [browser/app/nsBrowserApp.cpp:303]
[task 2020-09-10T23:11:01.490Z] 23:11:01     INFO - GECKO(3044) | #39: wmain(int, wchar_t**) [toolkit/xre/nsWindowsWMain.cpp:131]
[task 2020-09-10T23:11:01.490Z] 23:11:01     INFO - GECKO(3044) | #40: __scrt_common_main_seh() [/builds/worker/workspace/obj-build/browser/app/f:/dd/vctools/crt/vcstartup/src/startup/exe_common.inl:288]
[task 2020-09-10T23:11:01.491Z] 23:11:01     INFO - GECKO(3044) | #41: BaseThreadInitThunk [C:\windows\system32\kernel32.dll + 0x4ef3c]
[task 2020-09-10T23:11:01.491Z] 23:11:01     INFO - GECKO(3044) | #42: RtlInitializeExceptionChain [C:\windows\SYSTEM32\ntdll.dll + 0x63618]
[task 2020-09-10T23:11:01.491Z] 23:11:01     INFO - GECKO(3044) | #43: RtlInitializeExceptionChain [C:\windows\SYSTEM32\ntdll.dll + 0x635eb]
[task 2020-09-10T23:11:01.491Z] 23:11:01     INFO - GECKO(3044) | [Child 5204, Main Thread] WARNING: Out-of-flow frame got reflowed before its placeholder: file /builds/worker/checkouts/gecko/layout/generic/nsPlaceholderFrame.cpp, line 132