Bug: Intermittent browser/base/content/test/tabcrashed/browser_aboutRestartRequired_basic.js | leaked 1 window(s) until shutdown [url = about:blank]
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2021-08-10 05:49:00+00:00
Resolved: 2022-04-27 20:52:40+00:00

**Filed by:** nbeleuzu [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=347923168&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Vo06v4K2TlWlZMtmidtG_Q/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-08-10T04:29:00.313Z] 04:29:00     INFO - GECKO(7292) | RUE(Prefere[Pnacesrent 3448, I:P:DILni Backgrotund[ChiS]tald 57t4i4, Main  TWAcRMNeImNGb:er shresa(dd)) fb: '0.000a] WARN0ile0d0:s :f ile /buicINGld: NoS_ENSURE_Tmps/worker/checkouts/gelcRUE(Prefko/modueltees/erences:d:Inilibpref/t'StPrefera,tic file /bMueences.cpp:4mbil43ers()) 8fadiles/w
[task 2021-08-10T04:29:00.313Z] 04:29:00     INFO - GECKO(7292) | d: orker/checkfouts/gecko/dom/quota/Actile /buoilds/worrsPareknetr./ccpp:3709
[task 2021-08-10T04:29:00.314Z] 04:29:00     INFO - GECKO(7292) | heckouts/gecko/mod[uPlares/libpref/Prefeent 3448,renc IPDL Baes.cpp:4438
[task 2021-08-10T04:29:00.314Z] 04:29:00     INFO - GECKO(7292) | ckground] WARNING: ls: '0.000000s: completed', file /builds/worker/checkouts/gecko/dom/quota/ActorsParent.cpp:3709
[task 2021-08-10T04:29:00.519Z] 04:29:00     INFO - GECKO(7292) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2021-08-10T04:29:00.541Z] 04:29:00     INFO - GECKO(7292) | [GPU 1860, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2021-08-10T04:29:01.122Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (1d8e0048c00) [pid = 3448] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-08-10T04:29:01.122Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (1d8d34d3e40) [pid = 3448] [serial = 3] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-08-10T04:29:01.123Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (1d8e9ef7740) [pid = 3448] [serial = 12] [outer = 0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-08-10T04:29:01.124Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (1d8ea065c00) [pid = 3448] [serial = 13] [outer = 0] [url = about:blank]
[task 2021-08-10T04:29:01.124Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (1d8dfc1d740) [pid = 3448] [serial = 5] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-08-10T04:29:01.125Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (1d8e41bc000) [pid = 3448] [serial = 6] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-08-10T04:29:01.125Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (1d8d344b400) [pid = 3448] [serial = 81] [outer = 0] [url = about:blank]
[task 2021-08-10T04:29:01.125Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (1d8e46373c0) [pid = 3448] [serial = 7] [outer = 0] [url = about:blank]
[task 2021-08-10T04:29:01.126Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (1d8e6677740) [pid = 3448] [serial = 9] [outer = 0] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-08-10T04:29:01.129Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (1d8e65c9800) [pid = 3448] [serial = 11] [outer = 0] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-08-10T04:29:01.137Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-08-10T04:29:01.187Z] 04:29:01     INFO - GECKO(7292) | [Parent 3448, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2021-08-10T04:29:01.239Z] 04:29:01     INFO - TEST-INFO | Main app process: exit 0
[task 2021-08-10T04:29:01.240Z] 04:29:01     INFO - TEST-INFO | Confirming we saw 72 DOCSHELL created and 52 destroyed log strings.
[task 2021-08-10T04:29:01.240Z] 04:29:01     INFO - TEST-INFO | Confirming we saw 204 DOMWINDOW created and 126 destroyed log strings.
[task 2021-08-10T04:29:01.241Z] 04:29:01    ERROR - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_basic.js | leaked 1 window(s) until shutdown [url = about:blank]
[task 2021-08-10T04:29:01.241Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_basic.js | windows(s) leaked: [pid = 10040] [serial = 3]
[task 2021-08-10T04:29:01.241Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_basic.js | This test created 1 hidden window(s)
[task 2021-08-10T04:29:01.242Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_basic.js | This test created 1 hidden docshell(s)
[task 2021-08-10T04:29:01.242Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_buildid.js | This test created 1 hidden window(s)
[task 2021-08-10T04:29:01.243Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_aboutRestartRequired_buildid.js | This test created 1 hidden docshell(s)
[task 2021-08-10T04:29:01.243Z] 04:29:01     INFO - TEST-INFO | browser/base/content/test/tabcrashed/browser_autoSubmitRequest.js | This test created 1 hidden window(s)

```