Bug: Intermittent [tier2] TV browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | leaked 6 window(s) until shutdown [url = about:blank]
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-01-15 17:16:06+00:00
Resolved: 2023-07-03 12:02:00+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=326829567&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Hf5yzTImTeajui3w0OyXlw/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Hf5yzTImTeajui3w0OyXlw/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-01-15T15:24:06.773Z] 15:24:06     INFO - TEST-START | Shutdown
[task 2021-01-15T15:24:06.773Z] 15:24:06     INFO - Browser Chrome Test Summary
[task 2021-01-15T15:24:06.773Z] 15:24:06     INFO - Passed:  120
[task 2021-01-15T15:24:06.773Z] 15:24:06     INFO - Failed:  0
[task 2021-01-15T15:24:06.774Z] 15:24:06     INFO - Todo:    0
[task 2021-01-15T15:24:06.775Z] 15:24:06     INFO - Mode:    e10s
[task 2021-01-15T15:24:06.775Z] 15:24:06     INFO - *** End BrowserChrome Test Results ***
[task 2021-01-15T15:24:06.836Z] 15:24:06     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-01-15T15:24:06.836Z] 15:24:06     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-01-15T15:24:06.857Z] 15:24:06     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-01-15T15:24:06.900Z] 15:24:06     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-01-15T15:24:06.900Z] 15:24:06     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-01-15T15:24:07.022Z] 15:24:07     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f4dc3d4f000 == 4 [pid = 3190] [id = 1] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-01-15T15:24:07.070Z] 15:24:07     INFO - GECKO(3190) | [Parent 3190, Main Thread] WARNING: '!mIMContext', file /builds/worker/checkouts/gecko/widget/gtk/nsWindow.cpp:7220
[task 2021-01-15T15:24:07.413Z] 15:24:07     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:07.417Z] 15:24:07     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:07.419Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f0860432000 == 2 [pid = 3270] [id = 3] [url = moz-extension://972b17e3-53c6-4bbe-b9ec-b85eb6999be8/_generated_background_page.html]
[task 2021-01-15T15:24:07.419Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f084a0e7400 == 1 [pid = 3270] [id = 0] [url = moz-extension://87e46dae-f143-4f5c-97b7-6219f0bee60f/_generated_background_page.html]
[task 2021-01-15T15:24:07.419Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f0860430000 == 0 [pid = 3270] [id = 2] [url = moz-extension://8993e03c-2838-45aa-8f4f-f54666cd6e44/_generated_background_page.html]
[task 2021-01-15T15:24:07.421Z] 15:24:07     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:07.477Z] 15:24:07     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f4dbd126800 == 3 [pid = 3190] [id = 6] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-01-15T15:24:07.478Z] 15:24:07     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f4db67d4400 == 2 [pid = 3190] [id = 2] [url = about:blank]
[task 2021-01-15T15:24:07.545Z] 15:24:07     INFO - GECKO(3190) | [WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2021-01-15T15:24:07.546Z] 15:24:07     INFO - GECKO(3190) | [WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2021-01-15T15:24:07.553Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x7f0860462c80) [pid = 3270] [serial = 1] [outer = (nil)] [url = moz-extension://87e46dae-f143-4f5c-97b7-6219f0bee60f/_generated_background_page.html]
[task 2021-01-15T15:24:07.553Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x7f084abe33c0) [pid = 3270] [serial = 7] [outer = (nil)] [url = moz-extension://972b17e3-53c6-4bbe-b9ec-b85eb6999be8/_generated_background_page.html]
[task 2021-01-15T15:24:07.554Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x7f084abe3200) [pid = 3270] [serial = 5] [outer = (nil)] [url = moz-extension://8993e03c-2838-45aa-8f4f-f54666cd6e44/_generated_background_page.html]
[task 2021-01-15T15:24:07.554Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x7f0843dae400) [pid = 3270] [serial = 9] [outer = (nil)] [url = moz-extension://87e46dae-f143-4f5c-97b7-6219f0bee60f/_generated_background_page.html]
[task 2021-01-15T15:24:07.554Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x7f0843e76000) [pid = 3270] [serial = 11] [outer = (nil)] [url = moz-extension://8993e03c-2838-45aa-8f4f-f54666cd6e44/_generated_background_page.html]
[task 2021-01-15T15:24:07.555Z] 15:24:07     INFO - GECKO(3190) | [Child 3270: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x7f0843e78800) [pid = 3270] [serial = 12] [outer = (nil)] [url = moz-extension://972b17e3-53c6-4bbe-b9ec-b85eb6999be8/_generated_background_page.html]
[task 2021-01-15T15:24:07.557Z] 15:24:07     INFO - GECKO(3190) | [Parent 3190, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/netwerk/cache/nsApplicationCacheService.cpp:161
[task 2021-01-15T15:24:07.577Z] 15:24:07     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3364
[task 2021-01-15T15:24:07.599Z] 15:24:07     INFO - GECKO(3190) | [Child 3270, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4378
[task 2021-01-15T15:24:08.001Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.002Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.006Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.022Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.026Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.034Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.034Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.042Z] 15:24:08     INFO - GECKO(3190) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-01-15T15:24:08.078Z] 15:24:08     INFO - GECKO(3190) | [Child 3248, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3364
[task 2021-01-15T15:24:08.098Z] 15:24:08     INFO - GECKO(3190) | JavaScript error: resource://gre/modules/CrashManager.jsm, line 831: NotAllowedError: Shutting down and refusing additional I/O tasks
[task 2021-01-15T15:24:08.115Z] 15:24:08     INFO - GECKO(3190) | [Child 3353: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7fb760a3bc00 == 0 [pid = 3353] [id = 15] [url = about:blank]
[task 2021-01-15T15:24:08.115Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.000001s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.115Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.000216s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.115Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.000231s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.118Z] 15:24:08     INFO - GECKO(3190) | [Child 3248, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4378
[task 2021-01-15T15:24:08.123Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.006428s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.125Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.006822s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.125Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: cache: '0.007658s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.125Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: sdb: '0.007676s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.125Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: ls: '0.007683s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.127Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.009629s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.129Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.009649s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.130Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.011539s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.130Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.012243s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.130Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.012262s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.130Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: idb: '0.013308s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.133Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: cache: '0.016392s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.133Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: sdb: '0.016409s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.133Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190, IPDL Background] WARNING: ls: '0.016417s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3989
[task 2021-01-15T15:24:08.149Z] 15:24:08     INFO - GECKO(3190) | [Child 3322, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3364
[task 2021-01-15T15:24:08.170Z] 15:24:08     INFO - GECKO(3190) | [Child 3322, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4378
[task 2021-01-15T15:24:08.190Z] 15:24:08     INFO - GECKO(3190) | [Child 3353: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x7fb7609e1040) [pid = 3353] [serial = 41] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:08.191Z] 15:24:08     INFO - GECKO(3190) | [Child 3353: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x7fb760a3dc00) [pid = 3353] [serial = 42] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:08.211Z] 15:24:08     INFO - GECKO(3190) | [Child 3353, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3364
[task 2021-01-15T15:24:08.226Z] 15:24:08     INFO - GECKO(3190) | [Child 3353, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4378
[task 2021-01-15T15:24:08.242Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f4db9bf2400 == 1 [pid = 3190] [id = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-01-15T15:24:08.243Z] 15:24:08     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f4db56cc400 == 0 [pid = 3190] [id = 3] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-01-15T15:24:08.461Z] 15:24:08     INFO - GECKO(3190) | 1610724248454	Marionette	TRACE	Received observer notification xpcom-will-shutdown
[task 2021-01-15T15:24:08.461Z] 15:24:08     INFO - GECKO(3190) | 1610724248455	Marionette	INFO	Stopped listening on port 2828
[task 2021-01-15T15:24:08.461Z] 15:24:08     INFO - GECKO(3190) | 1610724248455	Marionette	DEBUG	Marionette stopped listening
[task 2021-01-15T15:24:09.611Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 69 (0x7f4dafdc1e40) [pid = 3190] [serial = 47] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.612Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 68 (0x7f4db0ef5580) [pid = 3190] [serial = 49] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.613Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 67 (0x7f4db0ef5740) [pid = 3190] [serial = 50] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.613Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 66 (0x7f4db3e18ac0) [pid = 3190] [serial = 87] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.614Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 65 (0x7f4db2c62040) [pid = 3190] [serial = 89] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.615Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 64 (0x7f4db2c62200) [pid = 3190] [serial = 90] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.615Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 63 (0x7f4db3e18740) [pid = 3190] [serial = 27] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.616Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 62 (0x7f4db7cfe580) [pid = 3190] [serial = 29] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.617Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 61 (0x7f4db7cfe040) [pid = 3190] [serial = 30] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.617Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 60 (0x7f4dafdc1200) [pid = 3190] [serial = 40] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.618Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 59 (0x7f4dafdc1040) [pid = 3190] [serial = 39] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.620Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 58 (0x7f4dbb457e40) [pid = 3190] [serial = 37] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.620Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 57 (0x7f4db0ef53c0) [pid = 3190] [serial = 80] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.622Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 56 (0x7f4dafdc1c80) [pid = 3190] [serial = 79] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.622Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 55 (0x7f4dafdc1900) [pid = 3190] [serial = 77] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.623Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 54 (0x7f4db3e18200) [pid = 3190] [serial = 17] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.625Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 53 (0x7f4db3e18580) [pid = 3190] [serial = 20] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.627Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 52 (0x7f4db3e183c0) [pid = 3190] [serial = 19] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.628Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 51 (0x7f4daf85a040) [pid = 3190] [serial = 60] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.628Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 50 (0x7f4daf85a200) [pid = 3190] [serial = 59] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.629Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 49 (0x7f4db3e18c80) [pid = 3190] [serial = 57] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.630Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 48 (0x7f4db2c62740) [pid = 3190] [serial = 97] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.630Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 47 (0x7f4db2c62ac0) [pid = 3190] [serial = 99] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.631Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 46 (0x7f4db2c62e40) [pid = 3190] [serial = 100] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.631Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 45 (0x7f4db7cfe900) [pid = 3190] [serial = 110] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.632Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 44 (0x7f4db2c623c0) [pid = 3190] [serial = 109] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.633Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 43 (0x7f4dafdc1580) [pid = 3190] [serial = 107] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.633Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 42 (0x7f4daf85ac80) [pid = 3190] [serial = 67] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.636Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 41 (0x7f4dafcbd900) [pid = 3190] [serial = 69] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.637Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 40 (0x7f4dafcbd3c0) [pid = 3190] [serial = 70] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.637Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 39 (0x7f4db67dc000) [pid = 3190] [serial = 53] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.638Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 38 (0x7f4db401d800) [pid = 3190] [serial = 51] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.639Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 37 (0x7f4dbd12a000) [pid = 3190] [serial = 55] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.640Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 36 (0x7f4db4022c00) [pid = 3190] [serial = 93] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.640Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 35 (0x7f4db1d91800) [pid = 3190] [serial = 91] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.643Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 34 (0x7f4db574d800) [pid = 3190] [serial = 95] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.643Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 33 (0x7f4db165dc00) [pid = 3190] [serial = 33] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.644Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 32 (0x7f4db11a9400) [pid = 3190] [serial = 31] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.644Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 31 (0x7f4db166c000) [pid = 3190] [serial = 35] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.645Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 30 (0x7f4db697b800) [pid = 3190] [serial = 45] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.645Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 29 (0x7f4db4019400) [pid = 3190] [serial = 41] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.645Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 28 (0x7f4db56d6000) [pid = 3190] [serial = 43] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.646Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (0x7f4daf895000) [pid = 3190] [serial = 85] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.647Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (0x7f4dadd76400) [pid = 3190] [serial = 81] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.648Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 25 (0x7f4dadd7dc00) [pid = 3190] [serial = 83] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.649Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 24 (0x7f4dadd78400) [pid = 3190] [serial = 23] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.650Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 23 (0x7f4dadd76c00) [pid = 3190] [serial = 25] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.650Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 22 (0x7f4db4023800) [pid = 3190] [serial = 21] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.651Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (0x7f4db11b1800) [pid = 3190] [serial = 65] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.652Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (0x7f4dafdbb400) [pid = 3190] [serial = 61] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.653Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (0x7f4db11ac000) [pid = 3190] [serial = 63] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.653Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (0x7f4db1d90400) [pid = 3190] [serial = 103] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.654Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (0x7f4dafdb8000) [pid = 3190] [serial = 101] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.655Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (0x7f4db401dc00) [pid = 3190] [serial = 105] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.656Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (0x7f4db697f400) [pid = 3190] [serial = 115] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.656Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (0x7f4daddf5400) [pid = 3190] [serial = 111] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.657Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (0x7f4db11af800) [pid = 3190] [serial = 113] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.658Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (0x7f4db9730000) [pid = 3190] [serial = 73] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.659Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (0x7f4db4020400) [pid = 3190] [serial = 71] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.659Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (0x7f4dc3c95400) [pid = 3190] [serial = 75] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.659Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (0x7f4db9bf5400) [pid = 3190] [serial = 2] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.660Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (0x7f4db9b4e900) [pid = 3190] [serial = 1] [outer = (nil)] [url = chrome://browser/content/browser.xhtml]
[task 2021-01-15T15:24:09.660Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (0x7f4db1b2b900) [pid = 3190] [serial = 14] [outer = (nil)] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-01-15T15:24:09.661Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (0x7f4dc3d51800) [pid = 3190] [serial = 15] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.662Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (0x7f4db7cfe3c0) [pid = 3190] [serial = 3] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-01-15T15:24:09.663Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (0x7f4db697e400) [pid = 3190] [serial = 4] [outer = (nil)] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-01-15T15:24:09.663Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (0x7f4db9b4e740) [pid = 3190] [serial = 7] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-01-15T15:24:09.664Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (0x7f4db7cfe740) [pid = 3190] [serial = 5] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.666Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (0x7f4dadd62000) [pid = 3190] [serial = 117] [outer = (nil)] [url = about:blank]
[task 2021-01-15T15:24:09.666Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (0x7f4db1d86c00) [pid = 3190] [serial = 9] [outer = (nil)] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-01-15T15:24:09.702Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3364
[task 2021-01-15T15:24:09.737Z] 15:24:09     INFO - GECKO(3190) | [Parent 3190, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4378
[task 2021-01-15T15:24:09.794Z] 15:24:09     INFO - TEST-INFO | Main app process: exit 0
[task 2021-01-15T15:24:09.794Z] 15:24:09     INFO - TEST-INFO | Confirming we saw 94 DOCSHELL created and 94 destroyed log strings.
[task 2021-01-15T15:24:09.795Z] 15:24:09     INFO - TEST-INFO | Confirming we saw 218 DOMWINDOW created and 218 destroyed log strings.
[task 2021-01-15T15:24:09.796Z] 15:24:09    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabPrompts/browser_openPromptInBackgroundTab.js | leaked 6 window(s) until shutdown [url = about:blank]```