Bug: Intermittent [tier 2] browser/base/content/test/general/browser_bug380960.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2024-01-29 19:06:51+00:00
Resolved: 2024-03-22 12:01:03+00:00

**Filed by:** sstanca [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=445052675&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/LWJ0fSvBR62Y_HHcQ_0ZMQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2024-01-29T18:02:59.578Z] 18:02:59     INFO - TEST-OK | browser/base/content/test/general/browser_bug356571.js | took 482ms
[task 2024-01-29T18:02:59.605Z] 18:02:59     INFO - checking window state
[task 2024-01-29T18:02:59.622Z] 18:02:59     INFO - TEST-START | browser/base/content/test/general/browser_bug380960.js
[task 2024-01-29T18:03:05.183Z] 18:03:05     INFO - TEST-INFO | started process screenshot
[task 2024-01-29T18:03:09.395Z] 18:03:09     INFO - TEST-INFO | screenshot: exit 0
[task 2024-01-29T18:03:09.396Z] 18:03:09     INFO - Buffered messages logged at 18:02:59
[task 2024-01-29T18:03:09.397Z] 18:03:09     INFO - TEST-PASS | browser/base/content/test/general/browser_bug380960.js | tab removed immediately - 
[task 2024-01-29T18:03:09.398Z] 18:03:09     INFO - TEST-PASS | browser/base/content/test/general/browser_bug380960.js | tab removed immediately when calling removeTab again after the animation was kicked off - 
[task 2024-01-29T18:03:09.398Z] 18:03:09     INFO - Buffered messages finished
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug380960.js | waiting for vsync to be disabled - timed out after 50 tries. - false == true - {"filename":"chrome://mochikit/content/browser-test.js","name":"ensureVsyncDisabled","sourceId":570,"lineNumber":607,"columnNumber":19,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest","sourceId":570,"lineNumber":776,"columnNumber":18,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"Tester_execTest","sourceId":570,"lineNumber":1381,"columnNumber":12,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest/<","sourceId":570,"lineNumber":1128,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js","name":"SimpleTest.waitForFocus/<","sourceId":594,"lineNumber":1058,"columnNumber":13,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":null,"formattedStack":"SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"nextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"Tester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*nextTest@chrome://mochikit/content/browser-test.js:776:18\nTester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"ensureVsyncDisabled@chrome://mochikit/content/browser-test.js:607:19\nasync*nextTest@chrome://mochikit/content/browser-test.js:776:18\nTester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}}
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - Stack trace:
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:607
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:nextTest:776
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1381
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1128
[task 2024-01-29T18:03:09.404Z] 18:03:09     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-01-29T18:03:09.405Z] 18:03:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_bug380960.js | vsync remained enabled at the end of the test. Is there an animation still running? Consider talking to the performance team for tips to solve this. - false == true - {"filename":"chrome://mochikit/content/browser-test.js","name":"ensureVsyncDisabled","sourceId":570,"lineNumber":608,"columnNumber":19,"sourceLine":"","asyncCause":null,"asyncCaller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest","sourceId":570,"lineNumber":776,"columnNumber":18,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"Tester_execTest","sourceId":570,"lineNumber":1381,"columnNumber":12,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/browser-test.js","name":"nextTest/<","sourceId":570,"lineNumber":1128,"columnNumber":14,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":{"filename":"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js","name":"SimpleTest.waitForFocus/<","sourceId":594,"lineNumber":1058,"columnNumber":13,"sourceLine":"","asyncCause":null,"asyncCaller":null,"caller":null,"formattedStack":"SimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"nextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"Tester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"formattedStack":"async*nextTest@chrome://mochikit/content/browser-test.js:776:18\nTester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}},"caller":null,"formattedStack":"ensureVsyncDisabled@chrome://mochikit/content/browser-test.js:608:19\nasync*nextTest@chrome://mochikit/content/browser-test.js:776:18\nTester_execTest@chrome://mochikit/content/browser-test.js:1381:12\nnextTest/<@chrome://mochikit/content/browser-test.js:1128:14\nSimpleTest.waitForFocus/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:1058:13\n","nativeSavedFrame":{}}
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - Stack trace:
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:608
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:nextTest:776
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1381
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1128
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/<:1058
[task 2024-01-29T18:03:09.410Z] 18:03:09     INFO - GECKO(8424) | MEMORY STAT | vsize 2104485MB | vsizeMaxContiguous 65737815MB | residentFast 343MB | heapAllocated 103MB
[task 2024-01-29T18:03:09.411Z] 18:03:09     INFO - TEST-OK | browser/base/content/test/general/browser_bug380960.js | took 5579ms
```