Closed Bug 1511300 Opened 7 years ago Closed 4 years ago

Intermittent table-anonymous-boxes/490174-1.html == table-anonymous-boxes/490174-1-ref.html | image comparison, max difference: 104, number of differing pixels: 32

Categories

(Core :: Layout: Tables, defect, P5)

defect

Tracking

()

RESOLVED FIXED
92 Branch
Tracking Status
firefox91 --- fixed
firefox92 --- fixed

People

(Reporter: intermittent-bug-filer, Assigned: dholbert)

References

Details

(Keywords: intermittent-failure, Whiteboard: [stockwell unknown])

Attachments

(1 file)

Status: NEW → RESOLVED
Closed: 6 years ago
Resolution: --- → INCOMPLETE
Status: REOPENED → RESOLVED
Closed: 6 years ago6 years ago
Resolution: --- → INCOMPLETE

This is still happening.

Recent failure: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=251897232&repo=mozilla-inbound&lineNumber=83447

15:04:54 INFO - REFTEST TEST-START | file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1.html == file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1-ref.html
15:04:54 INFO - REFTEST TEST-LOAD | file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1.html | 36 / 115 (31%)
15:04:54 INFO - ++DOMWINDOW == 55 (0000016837217C00) [pid = 7200] [serial = 103] [outer = 000001682D795C30]
15:04:54 INFO - --DOCSHELL 000001C404E49000 == 0 [pid = 10996] [id = {0896939b-107c-40a5-abe4-dea819e48631}] [url = about:newtab]
15:04:54 INFO - REFTEST TEST-LOAD | file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1-ref.html | 36 / 115 (31%)
15:04:54 INFO - ++DOMWINDOW == 56 (000001683721C400) [pid = 7200] [serial = 104] [outer = 000001682D795C30]
15:04:54 INFO - --DOMWINDOW == 55 (0000016836F0DC00) [pid = 7200] [serial = 64] [outer = 0000000000000000] [url = data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E]
15:04:54 INFO - --DOMWINDOW == 54 (0000016836F3C800) [pid = 7200] [serial = 66] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/368932-1-ref.html]
15:04:54 INFO - --DOMWINDOW == 53 (0000016836F11800) [pid = 7200] [serial = 65] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/368932-1.html]
15:04:54 INFO - --DOMWINDOW == 52 (000001682DBD4800) [pid = 7200] [serial = 68] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/371054-1.html]
15:04:54 INFO - --DOMWINDOW == 51 (000001682DBDC800) [pid = 7200] [serial = 69] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/371054-1-ref.html]
15:04:54 INFO - --DOMWINDOW == 50 (000001682DBA1400) [pid = 7200] [serial = 67] [outer = 0000000000000000] [url = data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E]
15:04:54 INFO - --DOMWINDOW == 49 (00000168363CA000) [pid = 7200] [serial = 63] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/363326-1-ref.html]
15:04:54 INFO - --DOMWINDOW == 48 (0000016836321C00) [pid = 7200] [serial = 62] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/363326-1.html]
15:04:54 INFO - --DOMWINDOW == 47 (000001682DBAD800) [pid = 7200] [serial = 61] [outer = 0000000000000000] [url = data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E]
15:04:54 INFO - --DOMWINDOW == 46 (000001682DBAF400) [pid = 7200] [serial = 59] [outer = 0000000000000000] [url = data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E]
15:04:54 INFO - --DOMWINDOW == 45 (000001682DBA3000) [pid = 7200] [serial = 58] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/339388-1-ref.html]
15:04:54 INFO - --DOMWINDOW == 44 (0000016836326000) [pid = 7200] [serial = 71] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/372641-1a.xhtml]
15:04:54 INFO - --DOMWINDOW == 43 (000001682DBA8400) [pid = 7200] [serial = 57] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/339388-1a.html]
15:04:54 INFO - --DOMWINDOW == 42 (000001682F652000) [pid = 7200] [serial = 70] [outer = 0000000000000000] [url = data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E]
15:04:54 INFO - --DOMWINDOW == 41 (000001682DC6C400) [pid = 7200] [serial = 60] [outer = 0000000000000000] [url = file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/339388-1b.html]
15:04:54 INFO - REFTEST TEST-UNEXPECTED-FAIL | file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1.html == file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1-ref.html | image comparison, max difference: 104, number of differing pixels: 32
15:04:54 INFO - REFTEST IMAGE 1 (TEST): data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAPoCAYAAAAmy5qxAAAW8UlEQV...
15:04:54 INFO - REFTEST IMAGE 2 (REFERENCE): data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAPoCAYAAAAmy5qxAAAWf0lEQVR4nO3dvU0cWw...
15:04:54 INFO - REFTEST INFO | Saved log: START file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1.html
15:04:54 INFO - REFTEST INFO | Saved log: [CONTENT] OnDocumentLoad triggering AfterOnLoadScripts
15:04:54 INFO - REFTEST INFO | Saved log: Initializing canvas snapshot
15:04:54 INFO - REFTEST INFO | Saved log: DoDrawWindow 0,0,800,1000
15:04:54 INFO - REFTEST INFO | Saved log: [CONTENT] RecordResult fired
15:04:54 INFO - REFTEST INFO | Saved log: RecordResult fired
15:04:54 INFO - REFTEST INFO | Saved log: START file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1-ref.html
15:04:54 INFO - REFTEST INFO | Saved log: [CONTENT] OnDocumentLoad triggering AfterOnLoadScripts
15:04:54 INFO - ++DOMWINDOW == 42 (000001682DBA1400) [pid = 7200] [serial = 105] [outer = 000001682D795C30]
15:04:54 INFO - REFTEST INFO | Saved log: Initializing canvas snapshot
15:04:54 INFO - REFTEST INFO | Saved log: DoDrawWindow 0,0,800,1000
15:04:54 INFO - REFTEST INFO | Saved log: [CONTENT] RecordResult fired
15:04:54 INFO - REFTEST INFO | Saved log: RecordResult fired
15:04:54 INFO - REFTEST TEST-END | file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1.html == file:///Z:/task_1560521380/build/tests/reftest/tests/layout/reftests/table-anonymous-boxes/490174-1-ref.html

Status: RESOLVED → REOPENED
Resolution: INCOMPLETE → ---

Update:
There have been 36 failures within the last 7 days:
• 10 failures on windows10-32-qr debug
• 26 failures on windows10-64-asan-qr opt
Recent failure log: https://treeherder.mozilla.org/logviewer?job_id=344094023&repo=autoland&lineNumber=15410
Link to reftest analyzer: 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/NsXr2cAXRd-UiF5gF01s1A/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

Daniel, as the owner of this component, could you help us assign it to someone?
Thank you.

Flags: needinfo?(dholbert)
Whiteboard: [stockwell needswork:owner]

Looks like this is a subtle difference in the rendering of the downarrow on the select dropdown element, and it's windows-with-WebRender-specific (i.e. only windows-*-qr platforms are affected).

The rendering difference is barely user-perceptible & doesn't really look concerning; this just needs a fuzzy annotation, looks like.

Flags: needinfo?(dholbert)

Also, it looks like recent logs (e.g. the one linked in comment 83) have max difference: 168, number of differing pixels: 30, so we should use those values for the fuzzy annotation.

This should silence a relatively high-frequency intermittent that seems to be
specific to Windows-with-WebRender, which fails with "max difference: 168,
number of differing pixels: 30", where the differing pixels are due to a subtle
positioning difference in the dropdown arrow on a select element (not
particularly interesting/worrisome).

Assignee: nobody → dholbert
Pushed by dholbert@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/efd70ccf8c84 Annotate observed fuzziness in reftest 490174-1.html. r=intermittent-reviewers,bhearsum
Status: REOPENED → RESOLVED
Closed: 6 years ago4 years ago
Resolution: --- → FIXED
Target Milestone: --- → 92 Branch
Whiteboard: [stockwell unknown] → [stockwell unknown][checkin-needed-beta]
Whiteboard: [stockwell unknown][checkin-needed-beta] → [stockwell unknown]
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