Closed Bug 1659222 Opened 4 years ago Closed 4 years ago

Intermittent layout/base/tests/chrome/test_printpreview.xhtml | Printing pages with fonts loaded from CSS and JS should be the same.

Categories

(Core :: Layout, defect, P5)

Product:
Core
Component:
Layout
Type:
defect

Tracking

()

Status:
RESOLVED INCOMPLETE

People

(Reporter: intermittent-bug-filer, Unassigned)

Details

(Keywords: intermittent-failure, regression)

Attachments

(2 obsolete files)

Filed by: btara [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=313070303&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/cNYkdj9KSyGp1VZ1j430oQ/runs/0/artifacts/public/logs/live_backing.log

[task 2020-08-14T22:50:32.824Z] 22:50:32     INFO - TEST-START | layout/base/tests/chrome/test_printpreview.xhtml
[task 2020-08-14T22:50:33.617Z] 22:50:33     INFO - GECKO(3712) | JavaScript error: chrome://mochitests/content/chrome/layout/base/tests/chrome/printpreview_helper.xhtml, line 142: ReferenceError: counterTimeout is not defined
[task 2020-08-14T22:50:44.840Z] 22:50:44     INFO - TEST-INFO | started process screenshot
[task 2020-08-14T22:50:45.041Z] 22:50:45     INFO - TEST-INFO | screenshot: exit 0
[task 2020-08-14T22:50:45.041Z] 22:50:45     INFO - <snipped 378 output lines - if you need more context, please use SimpleTest.requestCompleteLog() in your test>
[task 2020-08-14T22:50:45.042Z] 22:50:45     INFO - Buffered messages logged at 22:50:42
[task 2020-08-14T22:50:45.042Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.043Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.043Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.044Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.044Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.044Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.045Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.045Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.045Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.045Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.046Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.046Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.046Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.046Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.046Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.047Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.047Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | different: 168, maxDifference: 230 
[task 2020-08-14T22:50:45.047Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | TEST CASE: 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1uV/t2ACoSEABSBASAlPL19RVt9/n52XzKu9/va98OQEUCAkCKgACQUn7+/Blt9/X11XzKezgcat8OQEUCAkCKgACQ8v+nMFaw2jfcSgAAAABJRU5ErkJggg== 
[task 2020-08-14T22:50:45.049Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | REFERENCE: 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hU+nYAChIQAFIEBICUarfbRdNtt9tYr9exWCxiPB6Xvh2AggQEgBQBASClurq6iqbb7Xax2WxiuVzGZDIpfTsABQkIACkCAkBKdX19HU13dXUV2+02VqtVTKfT0rcDUJCAAJAiIACkCAgAKdXNzU003fX1dex2u1iv1zGbzUrfDkBBAgJAioAAkFLd3t5G093c3AgIABEhIAAkCQgAKdXd3V003e3tbVxdXcVms4n5fF76dgAKEhAAUgQEgJTq/v4+mu7u7i6ur69ju93GYrEofTsABQkIACkCAkBK9fDwEE13f39ff5V3uVyWvh2AggQEgBQBASClenx8jKZ7eHiov8q7Wq1K3w5AQQICQIqAAJAiIACkVE9PT9F0j4+P9W9B1ut16dsBKEhAAEgREABSqufn52i6p6en+rcgm82m9O0AFCQgAKQICAAp1cvLSzTd8/Nz/VXe7XZb+nYAChIQAFIEBICU6uPHj9F0Ly8v9Vd5d7td6dsBKEhAAEgREABS/gvGtgVN2dy1hQAAAABJRU5ErkJggg== 
[task 2020-08-14T22:50:45.049Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Comparing print preview didn't succeed [<select size='5'></select> : <select size='5'><option>1</option><option>2</option><option>3</option></select>] 
[task 2020-08-14T22:50:45.050Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.050Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.050Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.051Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.051Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.051Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.052Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.052Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.052Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.052Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.052Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.053Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | different: 111, maxDifference: 255 
[task 2020-08-14T22:50:45.055Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | TEST CASE: data:image/png;base64,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 
[task 2020-08-14T22:50:45.055Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | REFERENCE: data:image/png;base64,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 
[task 2020-08-14T22:50:45.056Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Comparing print preview didn't succeed [<textarea></textarea> : <textarea value='textarea'>textarea</textarea>] 
[task 2020-08-14T22:50:45.056Z] 22:50:45     INFO - Buffered messages logged at 22:50:43
[task 2020-08-14T22:50:45.057Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.057Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.057Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.058Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.058Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.059Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.059Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.059Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.060Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.060Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.060Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.061Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.061Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.061Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.062Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.062Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.062Z] 22:50:45     INFO - Buffered messages logged at 22:50:44
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.063Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.064Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.064Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.064Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.065Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.065Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.066Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.066Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.066Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.067Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.067Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.067Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.068Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.068Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.068Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.068Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.068Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.069Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.069Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.069Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Printing light DOM and shadow DOM should create same output 
[task 2020-08-14T22:50:45.069Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.069Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.070Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.070Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.070Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.070Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.071Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.072Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.072Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.073Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.073Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | different: 279, maxDifference: 255 
[task 2020-08-14T22:50:45.073Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | TEST CASE: data:image/png;base64,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 
[task 2020-08-14T22:50:45.074Z] 22:50:45     INFO - TEST-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | REFERENCE: data:image/png;base64,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 
[task 2020-08-14T22:50:45.074Z] 22:50:45     INFO - Buffered messages finished
[task 2020-08-14T22:50:45.075Z] 22:50:45     INFO - TEST-UNEXPECTED-FAIL | layout/base/tests/chrome/test_printpreview.xhtml | Printing pages with fonts loaded from CSS and JS should be the same. 
[task 2020-08-14T22:50:45.075Z] 22:50:45     INFO - SimpleTest.ok@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:417:16
[task 2020-08-14T22:50:45.075Z] 22:50:45     INFO - runTest8@chrome://mochitests/content/chrome/layout/base/tests/chrome/printpreview_helper.xhtml:330:5
[task 2020-08-14T22:50:45.075Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.076Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called afterprint listener! 
[task 2020-08-14T22:50:45.077Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Printing <use> subtrees should create same output 
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.147Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onStateChange | , , 393217, 0
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onStateChange | , , 131088, 0
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onProgressChange | , , 100, 100, 100, 100
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - onStateChange | , , 262160, 0
[task 2020-08-14T22:50:45.335Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Should have called beforeprint listener! 
[task 2020-08-14T22:50:45.386Z] 22:50:45     INFO - TEST-PASS | layout/base/tests/chrome/test_printpreview.xhtml | Printing pages with fonts loaded from a mozPrintCallback should be the same. 
[task 2020-08-14T22:50:45.386Z] 22:50:45     INFO - Comparing printpreview_quirks.html with printpreview_quirks_ref.html
[task 2020-08-14T22:50:45.547Z] 22:50:45     INFO - onProgressChange | , , 0, 0, 0, 0
[task 2020-08-14T22:50:45.547Z] 22:50:45     INFO - onStateChange | , , 393217, 0
...

This isn't intermittent, it's permafailing whenever the test run which luckily isn't very often

Here is a pernosco trace for it.

Can we find what made this perma-fail?

Flags: needinfo?(sheriffs)
Keywords: regression, regressionwindow-wanted

Looking at the screenshot the font is correctly applied, but the page margins are different somehow.

Ah, thanks Dorel :)

For some reasons the test fails 100% on try but I can't see it on autoland.

Also failing 100% of the time on a ubuntu 18.04 install.

This is a try run of central.
https://treeherder.mozilla.org/#/jobs?repo=try&selectedTaskRun=SGjlydHjRn2GlF4BaP2D6Q.0&revision=09cbe0a1c81a08e2888801ac41bf9368925b4f61

When you run the test via
/mach test layout/base/tests/chrome/test_printpreview.xhtml

it's easy to tell, the two print preview canvas are just dark.

git bisect gives me this change.

Bit bizarre that central is giving failure when that commit apparently got backed out.

Flags: needinfo?(dholbert)
Regressed by: 1658173

(In reply to Dorel Luca [:dluca] from comment #5)

Hi,

It can be seen here in this link that this isn't perma-failing: Retriggers are green.
https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=R1uqz5TGQUC-u4GUVj2SZQ.0&revision=71a6d628bf09d8b3da26510d75b16b07ca7cdee2&searchStr=windows%2C10%2Cx64%2Casan%2Cmochitests%2Cwithout%2Ce10s%2Ctest-windows10-64-asan%2Fopt-mochitest-chrome-1proc%2Cc2

Try doesn't run those c1 / c2 / c3 ; there's only a "c" in M1-Proc and that's definitely permafailing

Attached image Without change from bug 1659222 (obsolete) (deleted) —

https://phabricator.services.mozilla.com/D87063 rejiggers this test to not cut off the page, fwiw, so could potentially "fix this" for free.

(In reply to Jean-Yves Avenard [:jya] from comment #7)

This is a try run of central.
https://treeherder.mozilla.org/#/jobs?repo=try&selectedTaskRun=SGjlydHjRn2GlF4BaP2D6Q.0&revision=09cbe0a1c81a08e2888801ac41bf9368925b4f61
[...]
Bit bizarre that central is giving failure when that commit apparently got backed out.

That ^ try run is based off of https://hg.mozilla.org/mozilla-central/rev/7ff42086af63c8dc5b596b69ea4bbcc10e78fbea which is before the backout happened that fixed the perma-orange...

So it's not at all surprising that this try run was orange; it had the problematic changes from bug 1658173 that later got backed out.

Flags: needinfo?(dholbert)

Do we have any evidence of this failing in builds that included bug 1658173's backout? (If not, then I don't think there's anything to see here and we could close this as fixed-by-backout)

(In reply to Dorel Luca [:dluca] from comment #5)

Hi,

It can be seen here in this link that this isn't perma-failing: Retriggers are green.
https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=R1uqz5TGQUC-u4GUVj2SZQ.0&revision=71a6d628bf09d8b3da26510d75b16b07ca7cdee2&searchStr=windows%2C10%2Cx64%2Casan%2Cmochitests%2Cwithout%2Ce10s%2Ctest-windows10-64-asan%2Fopt-mochitest-chrome-1proc%2Cc2

Meanwhile, this ^^ TreeHerder run is from before bug 1658173 landed in the first place. So that apparently-really-intermittent failure is unrelated to bug 1658173 (which makes sense, because the test failure output is different & much briefer).

As proof: here's a log of nsPageSequenceFrame.cpp up to that commit:
https://hg.mozilla.org/integration/autoland/log/71a6d628bf09d8b3da26510d75b16b07ca7cdee2/layout/generic/nsPageSequenceFrame.cpp

So: I think there are two things that happened here, on the same day:
(1) We got a new truly-intermittent failure in test_printpreview.xhtml (shown in dluca's treeherder run above, and the log link in comment 0)
(2) Later on, I landed a patch for bug 1658173 that caused a different more-verbose perma-failure in the same test (which was later backed out).

So this bug should still stay open, tracking the real intermittent failure, and we should stop worrying about (2) unless I've misunderstood something. :)

(Also: Given that the intermittent failure predated bug 1658173, it's obviously not a regression from it. --> Clearing that status and adding back regressionwindow-wanted)

Keywords: regressionwindow-wanted
No longer regressed by: 1658173

Could we manually help on finding out a regression range? If yes, please add more details for STR or a testcase?

QA Whiteboard: [qa-regression-triage]

Given the low failure rate here, I don't think it'd be feasible to track down a regression range.

Some history / analysis of what's happened here so far:

  • comment 18 is the bot having repeated itself for some reason (not sure why); it's the same info/link as in comment 17.
  • The two most-recent failures (comment 16 and 17) seem to be fuzzy mismatches rather than real failures.
  • The one before that (in comment 15) looks like a real failure ("different: 279, maxDifference: 255"), with text seeming to be mis-positioned on the page.
  • That is the failure log from comment 0.
  • The comments between those ones (comment 1 - comment 14) are discussing a completely unrelated perma-failure that's been addressed.

Bottom line:

  • The only "real" failure here has only been observed once (so far), on Aug 14 -- log linked in both comment 0 and comment 15 -- on Win10-ASAN.
  • There are also some occasional fuzzy-failure issues that we should probably address by adjusting thresholds in the test (comment 16-17)
  • But none of this merits too much worry at this point.
Attachment #9170189 - Attachment is obsolete: true
Attachment #9170190 - Attachment is obsolete: true

Based on comment 21, remove the regressionwindow-wanted flag

QA Whiteboard: [qa-regression-triage]
Keywords: regressionwindow-wanted

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.

Status: NEW → RESOLVED
Closed: 4 years ago
Resolution: --- → INCOMPLETE
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