Bug: Intermittent browser/components/privatebrowsing/test/browser/browser_privatebrowsing_about_search_banner.js | Uncaught exception - [Exception... "(null)"  nsresult: "0x80040111 (NS_ERROR_NOT_AVAILABLE)"  location: "<unknown>"  data: no]
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-04-30 04:14:55+00:00
Resolved: 2020-05-26 17:03:39+00:00

**Filed by:** dvarga [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=300106156&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/TThk9G8dSjKI7bhQbjZaww/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/TThk9G8dSjKI7bhQbjZaww/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

```
[task 2020-04-30T00:11:02.883Z] 00:11:02     INFO - TEST-INFO | started process screencapture
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - TEST-INFO | screencapture: exit 0
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Buffered messages logged at 00:11:00
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Entering test bound setup
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Leaving test bound setup
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Entering test bound test_not_shown_if_pref_off
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Buffered messages logged at 00:11:01
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Console message: OpenGL compositor Initialized Succesfully.
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Version: 2.1 INTEL-12.9.22
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Vendor: Intel Inc.
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Renderer: Intel Iris OpenGL Engine
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - FBO Texture Target: TEXTURE_2D
[task 2020-04-30T00:11:03.087Z] 00:11:03     INFO - Buffered messages finished
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - TEST-UNEXPECTED-FAIL | browser/components/privatebrowsing/test/browser/browser_privatebrowsing_about_search_banner.js | Uncaught exception - [Exception... "(null)"  nsresult: "0x80040111 (NS_ERROR_NOT_AVAILABLE)"  location: "<unknown>"  data: no]
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - Leaving test bound test_not_shown_if_pref_off
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - Entering test bound test_not_shown_if_max_count_0
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x1272c7400 == 8 [pid = 1828] [id = {f0e794d5-877e-b043-af0d-e45297ac1513}]
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 15 (0x12263d180) [pid = 1828] [serial = 15] [outer = 0x0]
[task 2020-04-30T00:11:03.088Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 16 (0x1292b0c00) [pid = 1828] [serial = 16] [outer = 0x12263d180]
[task 2020-04-30T00:11:03.624Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x1527a2800 == 9 [pid = 1828] [id = {727a6cff-18fe-8345-8c7c-ce71afcc37be}]
[task 2020-04-30T00:11:03.624Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 17 (0x1510d9c10) [pid = 1828] [serial = 17] [outer = 0x0]
[task 2020-04-30T00:11:03.624Z] 00:11:03     INFO - GECKO(1828) | [Child 1830: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x10d460000 == 1 [pid = 1830] [id = {4d49d97d-2e5c-9747-93fe-e59224c34c30}] [url = about:blank]
[task 2020-04-30T00:11:03.780Z] 00:11:03     INFO - GECKO(1828) | [1842, MainThread] WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /builds/worker/checkouts/gecko/xpcom/base/nsTraceRefcnt.cpp, line 202
[task 2020-04-30T00:11:03.780Z] 00:11:03     INFO - GECKO(1828) | [1842, MainThread] WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /builds/worker/checkouts/gecko/xpcom/base/nsTraceRefcnt.cpp, line 202
[task 2020-04-30T00:11:03.781Z] 00:11:03     INFO - GECKO(1828) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/6d/tcdsvx1s08j84hprtppmx40r000017/T/tmpCwkZjz.mozrunner/runtests_leaks_tab_pid1842.log
[task 2020-04-30T00:11:03.781Z] 00:11:03     INFO - GECKO(1828) | [1842, MainThread] WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /builds/worker/checkouts/gecko/xpcom/base/nsTraceRefcnt.cpp, line 202
[task 2020-04-30T00:11:03.781Z] 00:11:03     INFO - GECKO(1828) | [1842, MainThread] WARNING: XPCOM objects created/destroyed from static ctor/dtor: file /builds/worker/checkouts/gecko/xpcom/base/nsTraceRefcnt.cpp, line 202
[task 2020-04-30T00:11:03.781Z] 00:11:03     INFO - GECKO(1828) | [1842, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp, line 224
[task 2020-04-30T00:11:03.948Z] 00:11:03     INFO - GECKO(1828) | [Parent 1828: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 18 (0x15140b000) [pid = 1828] [serial = 18] [outer = 0x1510d9c10]
[task 2020-04-30T00:11:03.948Z] 00:11:03     INFO - Console message: OpenGL compositor Initialized Succesfully.
```