Bug: Intermittent browser/base/content/test/tabs/browser_tab_label_picture_in_picture.js | leaked 1 window(s) until shutdown [url = chrome://browser/content/browser.xhtml]
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-05-20 16:20:55+00:00
Resolved: 2023-06-12 12:02:25+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=340320063&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/e1AhjLpPRSOWghSii2dnYQ/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/e1AhjLpPRSOWghSii2dnYQ/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-05-20T14:57:35.353Z] 14:57:35     INFO - TEST-START | Shutdown
[task 2021-05-20T14:57:35.353Z] 14:57:35     INFO - Browser Chrome Test Summary
[task 2021-05-20T14:57:35.354Z] 14:57:35     INFO - Passed:  20
[task 2021-05-20T14:57:35.354Z] 14:57:35     INFO - Failed:  0
[task 2021-05-20T14:57:35.354Z] 14:57:35     INFO - Todo:    0
[task 2021-05-20T14:57:35.354Z] 14:57:35     INFO - Mode:    e10s
[task 2021-05-20T14:57:35.354Z] 14:57:35     INFO - *** End BrowserChrome Test Results ***
[task 2021-05-20T14:57:35.492Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.493Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.565Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.655Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.703Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.703Z] 14:57:35     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: '!CanSend() || !mManager || !mManager->CanSend()', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorChild.cpp:40
[task 2021-05-20T14:57:35.925Z] 14:57:35     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 123a0f000 == 4 [pid = 2105] [id = 2] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-05-20T14:57:35.927Z] 14:57:35     INFO - GECKO(2105) | [2021-05-20T14:57:35Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2021-05-20T14:57:37.393Z] 14:57:37     INFO - GECKO(2105) | [2021-05-20T14:57:37Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2021-05-20T14:57:37.508Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 108cc6800 == 3 [pid = 2106] [id = 4] [url = moz-extension://23d88134-ed8e-0744-aad7-6210f90a100a/_generated_background_page.html]
[task 2021-05-20T14:57:37.508Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 108cc4c00 == 2 [pid = 2106] [id = 3] [url = moz-extension://c7d52374-005d-b248-814c-a0da0ca5c28b/_generated_background_page.html]
[task 2021-05-20T14:57:37.508Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 108cbcc00 == 1 [pid = 2106] [id = 0] [url = moz-extension://a98a59c7-6a70-7142-97e5-2684c4608e89/_generated_background_page.html]
[task 2021-05-20T14:57:37.508Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 108cc1000 == 0 [pid = 2106] [id = 1] [url = moz-extension://ad89092f-7b16-6b4f-b131-1f97d0b9d227/_generated_background_page.html]
[task 2021-05-20T14:57:37.777Z] 14:57:37     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:37.778Z] 14:57:37     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:37.778Z] 14:57:37     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:37.778Z] 14:57:37     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:37.865Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (108c80580) [pid = 2106] [serial = 1] [outer = 0] [url = moz-extension://a98a59c7-6a70-7142-97e5-2684c4608e89/_generated_background_page.html]
[task 2021-05-20T14:57:37.866Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (100c21580) [pid = 2106] [serial = 3] [outer = 0] [url = moz-extension://ad89092f-7b16-6b4f-b131-1f97d0b9d227/_generated_background_page.html]
[task 2021-05-20T14:57:37.866Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (100c21900) [pid = 2106] [serial = 7] [outer = 0] [url = moz-extension://c7d52374-005d-b248-814c-a0da0ca5c28b/_generated_background_page.html]
[task 2021-05-20T14:57:37.866Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (100c21ac0) [pid = 2106] [serial = 9] [outer = 0] [url = moz-extension://23d88134-ed8e-0744-aad7-6210f90a100a/_generated_background_page.html]
[task 2021-05-20T14:57:37.866Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (1171a0000) [pid = 2106] [serial = 15] [outer = 0] [url = moz-extension://23d88134-ed8e-0744-aad7-6210f90a100a/_generated_background_page.html]
[task 2021-05-20T14:57:37.867Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (1093dd800) [pid = 2106] [serial = 14] [outer = 0] [url = moz-extension://c7d52374-005d-b248-814c-a0da0ca5c28b/_generated_background_page.html]
[task 2021-05-20T14:57:37.867Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (1093d6400) [pid = 2106] [serial = 12] [outer = 0] [url = moz-extension://ad89092f-7b16-6b4f-b131-1f97d0b9d227/_generated_background_page.html]
[task 2021-05-20T14:57:37.867Z] 14:57:37     INFO - GECKO(2105) | [Child 2106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (108cca800) [pid = 2106] [serial = 11] [outer = 0] [url = moz-extension://a98a59c7-6a70-7142-97e5-2684c4608e89/_generated_background_page.html]
[task 2021-05-20T14:57:37.867Z] 14:57:37     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:37.915Z] 14:57:37     INFO - GECKO(2105) | [Child 2106, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:37.924Z] 14:57:37     INFO - GECKO(2105) | [Parent 2105, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:370
[task 2021-05-20T14:57:38.039Z] 14:57:38     INFO - GECKO(2105) | [Parent 2105, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:370
[task 2021-05-20T14:57:38.118Z] 14:57:38     INFO - GECKO(2105) | [2021-05-20T14:57:38Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2021-05-20T14:57:38.118Z] 14:57:38     INFO - GECKO(2105) | [2021-05-20T14:57:38Z WARN  xulstore::persist] tried to remove key that isn't in the store
[task 2021-05-20T14:57:38.907Z] 14:57:38     INFO - GECKO(2105) | [Child 2107, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:38.908Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.908Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.930Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.936Z] 14:57:38     INFO - GECKO(2105) | [Child 2107, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:38.936Z] 14:57:38     INFO - GECKO(2105) | [Child 2108, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:38.947Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.947Z] 14:57:38     INFO - GECKO(2105) | [Child 2107, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:38.951Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.954Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.993Z] 14:57:38     INFO - GECKO(2105) | [Child 2109, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:38.994Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.994Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.994Z] 14:57:38     INFO - GECKO(2105) | [Child 2108, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:38.994Z] 14:57:38     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:38.994Z] 14:57:38     INFO - GECKO(2105) | [Child 2109: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 113036000 == 0 [pid = 2109] [id = 10] [url = about:blank]
[task 2021-05-20T14:57:39.000Z] 14:57:39     INFO - GECKO(2105) | [Child 2110, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:39.000Z] 14:57:39     INFO - GECKO(2105) | [Child 2108, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:39.077Z] 14:57:39     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:39.077Z] 14:57:39     INFO - GECKO(2105) | [Child 2126, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:39.078Z] 14:57:39     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:39.078Z] 14:57:39     INFO - GECKO(2105) | [Child 2109: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (102b21e40) [pid = 2109] [serial = 26] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:39.078Z] 14:57:39     INFO - GECKO(2105) | [Child 2109: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (1181d9800) [pid = 2109] [serial = 27] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:39.078Z] 14:57:39     INFO - GECKO(2105) | [Child 2109, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | [Child 2109, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | [Child 2110, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:39.079Z] 14:57:39     INFO - GECKO(2105) | [Child 2110, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:39.094Z] 14:57:39     INFO - GECKO(2105) | [Child 2126, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:39.094Z] 14:57:39     INFO - GECKO(2105) | [Child 2126, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:39.300Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 124a91c00 == 3 [pid = 2105] [id = 4] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-05-20T14:57:39.300Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 124b97000 == 2 [pid = 2105] [id = 3] [url = about:blank]
[task 2021-05-20T14:57:39.301Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 109409000 == 1 [pid = 2105] [id = 0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2021-05-20T14:57:39.335Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.000002s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.335Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.002952s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.335Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.002982s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.378Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.021362s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.378Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.021396s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.378Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: cache: '0.022717s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.378Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: sdb: '0.022754s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: ls: '0.022763s: starting', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.037336s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.037366s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.042488s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.048638s: Live database entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.048670s: gLiveDatabaseHashtable entry removed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.379Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: idb: '0.052968s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.428Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: cache: '0.065118s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.429Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: sdb: '0.065153s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:39.429Z] 14:57:39     INFO - GECKO(2105) | [Parent 2105, IPDL Background] WARNING: ls: '0.065161s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3690
[task 2021-05-20T14:57:40.149Z] 14:57:40     INFO - GECKO(2105) | 1621522660131	Marionette	TRACE	Received observer notification xpcom-will-shutdown
[task 2021-05-20T14:57:40.149Z] 14:57:40     INFO - GECKO(2105) | 1621522660131	Marionette	INFO	Stopped listening on port 2828
[task 2021-05-20T14:57:40.149Z] 14:57:40     INFO - GECKO(2105) | 1621522660132	Marionette	DEBUG	Marionette stopped listening
[task 2021-05-20T14:57:40.194Z] 14:57:40     INFO - GECKO(2105) | [Parent 2105, Main Thread] WARNING: nsAppShell::Exit() called redundantly: file /builds/worker/checkouts/gecko/widget/cocoa/nsAppShell.mm:751
[task 2021-05-20T14:57:40.418Z] 14:57:40     INFO - GECKO(2105) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-05-20T14:57:41.415Z] 14:57:41     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1228f6000 == 0 [pid = 2105] [id = 1] [url = chrome://browser/content/browser.xhtml]
[task 2021-05-20T14:57:42.500Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (11fcc1580) [pid = 2105] [serial = 11] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-05-20T14:57:42.500Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (122840400) [pid = 2105] [serial = 12] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (1228ef400) [pid = 2105] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (120086e40) [pid = 2105] [serial = 3] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (11fcc1040) [pid = 2105] [serial = 9] [outer = 0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (125e76400) [pid = 2105] [serial = 10] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (122ff1ac0) [pid = 2105] [serial = 5] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (124a8f800) [pid = 2105] [serial = 6] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-05-20T14:57:42.501Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (12283e000) [pid = 2105] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.502Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (120086740) [pid = 2105] [serial = 1] [outer = 0] [url = chrome://browser/content/hiddenWindowMac.xhtml]
[task 2021-05-20T14:57:42.502Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (1244cd580) [pid = 2105] [serial = 7] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.502Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (117aee000) [pid = 2105] [serial = 52] [outer = 0] [url = about:blank]
[task 2021-05-20T14:57:42.521Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-05-20T14:57:42.554Z] 14:57:42     INFO - GECKO(2105) | [Parent 2105, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4442
[task 2021-05-20T14:57:42.648Z] 14:57:42     INFO - TEST-INFO | Main app process: exit 0
[task 2021-05-20T14:57:42.648Z] 14:57:42     INFO - TEST-INFO | Confirming we saw 73 DOCSHELL created and 73 destroyed log strings.
[task 2021-05-20T14:57:42.649Z] 14:57:42     INFO - TEST-INFO | Confirming we saw 186 DOMWINDOW created and 186 destroyed log strings.
[task 2021-05-20T14:57:42.649Z] 14:57:42    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_tab_label_picture_in_picture.js | leaked 1 window(s) until shutdown [url = chrome://browser/content/browser.xhtml]```