Open Bug 1749149 Opened 3 years ago Updated 2 years ago

Intermittent /html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html | Test that multiple dialogs are centered properly. - assert_equals: top-dialog expected 460 but got 461

Categories

(Core :: DOM: Core & HTML, defect, P1)

defect

Tracking

()

People

(Reporter: intermittent-bug-filer, Assigned: handyman)

References

Details

(Keywords: intermittent-failure)

Filed by: imoraru [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=363480942&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/BZH-QwlYTauS53ZHmA4K0g/runs/0/artifacts/public/logs/live_backing.log


[task 2022-01-08T18:57:21.962Z] 18:57:21     INFO - TEST-START | /html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html
[task 2022-01-08T18:57:21.967Z] 18:57:21     INFO - Closing window dc285455-edbe-446a-b41c-9f38f38a1bc3
[task 2022-01-08T18:57:22.030Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, false) failed with result 0x804B0050 (NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS): file /builds/worker/checkouts/gecko/toolkit/components/antitracking/URLQueryStringStripper.cpp:129
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - 
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - TEST-UNEXPECTED-FAIL | /html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html | Test that multiple dialogs are centered properly. - assert_equals: top-dialog expected 460 but got 461
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - showAndTest@http://web-platform.test:8000/html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html:38:18
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - @http://web-platform.test:8000/html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html:41:14
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:2534:25
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - test@http://web-platform.test:8000/resources/testharness.js:572:30
[task 2022-01-08T18:57:22.192Z] 18:57:22     INFO - @http://web-platform.test:8000/html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html:30:5
[task 2022-01-08T18:57:22.193Z] 18:57:22     INFO - TEST-OK | /html/semantics/interactive-elements/the-dialog-element/multiple-centered-dialogs.html | took 231ms
[task 2022-01-08T18:57:22.195Z] 18:57:22     INFO - PID 2805 | 1641668242193	Marionette	INFO	Stopped listening on port 56866
[task 2022-01-08T18:57:22.221Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.222Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.222Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.226Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.227Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.228Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.233Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:44
[task 2022-01-08T18:57:22.315Z] 18:57:22     INFO - PID 2805 | JavaScript error: resource://gre/modules/URLQueryStrippingListService.jsm, line 90: TypeError: can't access property "removeEventListener", Services.cpmm.sharedData is null
[task 2022-01-08T18:57:22.316Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:820
[task 2022-01-08T18:57:22.319Z] 18:57:22     INFO - PID 2805 | [Parent 2805, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:362
[task 2022-01-08T18:57:22.319Z] 18:57:22     INFO - PID 2805 | ###!!! [Parent][PImageBridgeParent] Error: RunMessage(msgname=PImageBridge::Msg_WillClose) Channel closing: too late to send/recv, messages will be lost
[task 2022-01-08T18:57:22.323Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.325Z] 18:57:22     INFO - PID 2805 | [Parent 2805, Socket Thread] WARNING: cannot post event if not initialized: file /builds/worker/checkouts/gecko/netwerk/protocol/http/nsHttpConnectionMgr.cpp:197
[task 2022-01-08T18:57:22.328Z] 18:57:22     INFO - PID 2805 | JavaScript error: resource://gre/modules/URLQueryStrippingListService.jsm, line 90: TypeError: can't access property "removeEventListener", Services.cpmm.sharedData is null
[task 2022-01-08T18:57:22.329Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:820
[task 2022-01-08T18:57:22.330Z] 18:57:22     INFO - PID 2805 | ###!!! [Parent][PImageBridgeParent] Error: RunMessage(msgname=PImageBridge::Msg_WillClose) Channel closing: too late to send/recv, messages will be lost
[task 2022-01-08T18:57:22.332Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.359Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.360Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.372Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.373Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.382Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.414Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.414Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.421Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.423Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3351
[task 2022-01-08T18:57:22.425Z] 18:57:22     INFO - PID 2805 | [2022-01-08T18:57:22Z WARN  audioipc2::ipccore] AudioIPC Server RPC: EventLoop drop - closing connection for Token(2) failed: Custom { kind: NotFound, error: "I/O source not registered with `Registry`" }
[task 2022-01-08T18:57:22.426Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.427Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.428Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.429Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.431Z] 18:57:22     INFO - PID 2805 | [Child 2817, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2022-01-08T18:57:22.473Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.486Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.490Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3351
[task 2022-01-08T18:57:22.491Z] 18:57:22     INFO - PID 2805 | [2022-01-08T18:57:22Z WARN  audioipc2::ipccore] AudioIPC Server RPC: EventLoop drop - closing connection for Token(1) failed: Custom { kind: NotFound, error: "I/O source not registered with `Registry`" }
[task 2022-01-08T18:57:22.492Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.494Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.494Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.495Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.499Z] 18:57:22     INFO - PID 2805 | [Child 2812, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2022-01-08T18:57:22.573Z] 18:57:22     INFO - PID 2805 | [2022-01-08T18:57:22Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2022-01-08T18:57:22.573Z] 18:57:22     INFO - PID 2805 | [2022-01-08T18:57:22Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2022-01-08T18:57:22.673Z] 18:57:22     INFO - PID 2805 | JavaScript error: resource://gre/modules/URLQueryStrippingListService.jsm, line 90: TypeError: can't access property "removeEventListener", Services.cpmm.sharedData is null
[task 2022-01-08T18:57:22.673Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:820
[task 2022-01-08T18:57:22.676Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.684Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.000002s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.685Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: cache: '0.000329s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.686Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: sdb: '0.000347s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.686Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: ls: '0.000358s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.687Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.000870s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.688Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.000886s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.688Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001229s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.689Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001242s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.690Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001311s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.690Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001318s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.691Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001384s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.691Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001415s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.692Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001421s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.692Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: idb: '0.001445s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.693Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: cache: '0.001478s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.694Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: sdb: '0.001488s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.694Z] 18:57:22     INFO - PID 2805 | [Parent 2805, IPDL Background] WARNING: ls: '0.001495s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3789
[task 2022-01-08T18:57:22.695Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.695Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.703Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.721Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.725Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.728Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3351
[task 2022-01-08T18:57:22.729Z] 18:57:22     INFO - PID 2805 | [2022-01-08T18:57:22Z WARN  audioipc2::ipccore] AudioIPC Server RPC: EventLoop drop - closing connection for Token(0) failed: Custom { kind: NotFound, error: "I/O source not registered with `Registry`" }
[task 2022-01-08T18:57:22.730Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.732Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.732Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_StartedGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.733Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: IPC message 'PIdleScheduler::Msg_DoneGC' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:523
[task 2022-01-08T18:57:22.735Z] 18:57:22     INFO - PID 2805 | [Child 2811, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2022-01-08T18:57:22.898Z] 18:57:22     INFO - PID 2805 | [Parent 2805, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:820
[task 2022-01-08T18:57:22.903Z] 18:57:22     INFO - PID 2805 | ###!!! [Parent][PImageBridgeParent] Error: RunMessage(msgname=PImageBridge::Msg_WillClose) Channel closing: too late to send/recv, messages will be lost
[task 2022-01-08T18:57:23.725Z] 18:57:23     INFO - PID 2805 | [Parent 2805, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3351
[task 2022-01-08T18:57:23.753Z] 18:57:23     INFO - PID 2805 | [Parent 2805, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2022-01-08T18:57:23.774Z] 18:57:23     INFO - Browser exited with return code 0

This test failure blocks bug 642851 because the patches for that bug make this test fail with 100% reliability on Windows. This issue is caused by dialog element placement. Note that bug 642851's patches also inspire failure in the modal-dialog-blocks-mouse-events.html test.

The problem seems to be that dialog elements are positioned using the html element's dimensions, and they seem to not be reliable in content processes "at first". I'm not sure what triggers the update but I can see values for the html element that are reported wrong in the inspector long after the test has completed running. That suggests this isn't just an issue of waiting for stale data to update but is instead something that needs to request update. Many things that might have triggered such an update, like mouse clicks or moving the window, don't. But, again, while I can see the value update sometimes in the inspector, I don't know what causes it.

Assignee: nobody → davidp99
Blocks: 642851
Priority: P5 → P1
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