Bug: Intermittent TV browser/base/content/test/performance/browser_windowopen.js | unexpected changed rect: ({x1:0, x2:1279, y1:103, y2:103, w:1280, h:1}), window width: 1280 -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2022-08-17 12:34:58+00:00
Resolved: 2022-10-10 18:42:37+00:00

**Filed by:** nfay [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=387599370&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XTnlRp1VR6SC3BnOFdXyDg/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/XTnlRp1VR6SC3BnOFdXyDg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2022-08-17T10:58:59.194Z] 10:58:59     INFO - TEST-PASS | browser/base/content/test/performance/browser_windowopen.js | 0 unexpected reflows - true == true - 
[task 2022-08-17T10:58:59.194Z] 10:58:59     INFO - comparing 4 frames
[task 2022-08-17T10:58:59.195Z] 10:58:59     INFO - Buffered messages finished
[task 2022-08-17T10:58:59.196Z] 10:58:59     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_windowopen.js | unexpected changed rect: ({x1:0, x2:1279, y1:103, y2:103, w:1280, h:1}), window width: 1280 - 
[task 2022-08-17T10:58:59.196Z] 10:58:59     INFO - Stack trace:
[task 2022-08-17T10:58:59.196Z] 10:58:59     INFO - chrome://mochikit/content/browser-test.js:test_ok:1440
[task 2022-08-17T10:58:59.197Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker/rects<:637
[task 2022-08-17T10:58:59.197Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker:628
[task 2022-08-17T10:58:59.197Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:withPerfObserver:697
[task 2022-08-17T10:58:59.198Z] 10:58:59     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_windowopen.js | unexpected changed rect: ({x1:0, x2:1279, y1:112, y2:112, w:1280, h:1}), window width: 1280 - 
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - Stack trace:
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - chrome://mochikit/content/browser-test.js:test_ok:1440
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker/rects<:637
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker:628
[task 2022-08-17T10:58:59.199Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:withPerfObserver:697
[task 2022-08-17T10:58:59.258Z] 10:58:59     INFO - data:image/png;base64,iVBORw0KGg
[task 2022-08-17T10:58:59.329Z] 10:58:59     INFO - data:image/png;base64,iVBORw
[task 2022-08-17T10:58:59.369Z] 10:58:59     INFO - TEST-FAIL | browser/base/content/test/performance/browser_windowopen.js | bug 1421463 - reload toolbar icon shouldn't flicker, ({x1:89, x2:102, y1:58, y2:71, w:14, h:14}), window width: 1280 - 
[task 2022-08-17T10:58:59.377Z] 10:58:59     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-17T10:58:59.378Z] 10:58:59     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_windowopen.js | unexpected changed rect: ({x1:0, x2:1279, y1:94, y2:103, w:1280, h:10}), window width: 1280 - 
[task 2022-08-17T10:58:59.378Z] 10:58:59     INFO - Stack trace:
[task 2022-08-17T10:58:59.378Z] 10:58:59     INFO - chrome://mochikit/content/browser-test.js:test_ok:1440
[task 2022-08-17T10:58:59.378Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker/rects<:637
[task 2022-08-17T10:58:59.378Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker:628
[task 2022-08-17T10:58:59.379Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:withPerfObserver:697
[task 2022-08-17T10:58:59.379Z] 10:58:59     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_windowopen.js | unexpected changed rect: ({x1:0, x2:1279, y1:112, y2:112, w:1280, h:1}), window width: 1280 - 
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - Stack trace:
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - chrome://mochikit/content/browser-test.js:test_ok:1440
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker/rects<:637
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker:628
[task 2022-08-17T10:58:59.380Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:withPerfObserver:697
[task 2022-08-17T10:58:59.500Z] 10:58:59     INFO - data:image/png;base64,iVBORw0KGgo
[task 2022-08-17T10:58:59.531Z] 10:58:59     INFO - TEST-FAIL | browser/base/content/test/performance/browser_windowopen.js | Initial bookmark icon appearing after startup, ({x1:12, x2:27, y1:90, y2:105, w:16, h:16}), window width: 1280 - 
[task 2022-08-17T10:58:59.536Z] 10:58:59     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-17T10:58:59.537Z] 10:58:59     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_windowopen.js | should have 0 unknown flickering areas - Got 4, expected +0
[task 2022-08-17T10:58:59.537Z] 10:58:59     INFO - Stack trace:
[task 2022-08-17T10:58:59.537Z] 10:58:59     INFO - chrome://mochikit/content/browser-test.js:test_is:1468
[task 2022-08-17T10:58:59.537Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:reportUnexpectedFlicker:654
[task 2022-08-17T10:58:59.537Z] 10:58:59     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/head.js:withPerfObserver:697
[task 2022-08-17T10:58:59.549Z] 10:58:59     INFO - GECKO(5580) | [Parent 7196, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-08-17T10:58:59.572Z] 10:58:59     INFO - GECKO(5580) | [GPU 476, Compositor] WARNING: Possibly dropping task posted to updater thread: file /builds/worker/checkouts/gecko/gfx/layers/apz/src/APZUpdater.cpp:371
[task 2022-08-17T10:58:59.584Z] 10:58:59     INFO - GECKO(5580) | [Parent 7196: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 1e569475400 == 6 [pid = 7196] [id = 7] [url = about:blank]
[task 2022-08-17T10:58:59.600Z] 10:58:59     INFO - Leaving test bound 
[task 2022-08-17T10:58:59.957Z] 10:58:59     INFO - GECKO(5580) | MEMORY STAT | vsize 2112633MB | vsizeMaxContiguous 66072973MB | residentFast 498MB | heapAllocated 292MB
[task 2022-08-17T10:58:59.967Z] 10:58:59     INFO - TEST-OK | browser/base/content/test/performance/browser_windowopen.js | took 3191ms
```