Intermittent bugs/605138-1.html == bugs/605138-1-ref.html | image comparison, max difference: 11, number of differing pixels: x
Categories
(Core :: Layout, defect, P5)
Tracking
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People
(Reporter: intermittent-bug-filer, Unassigned)
Details
(Keywords: intermittent-failure, Whiteboard: [retriggered][stockwell unknown])
Filed by: dvarga [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=280727570&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/JNyTxVl9TbednHZEBKR1eA/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/JNyTxVl9TbednHZEBKR1eA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1
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Updated•5 years ago
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Comment 7•5 years ago
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Done the retriggers on central:
https://treeherder.mozilla.org/#/jobs?repo=mozilla-central&searchStr=linux%2C18.04%2Cx64%2Cquantumrender%2Cshippable%2Copt%2Creftests%2Ctest-linux1804-64-shippable-qr%2Fopt-reftest-e10s-8%2Cr%28r8%29&fromchange=3c25ab24bcda1aba845a0266071741a3b17e908d&selectedJob=287024380
The culprit seems to be bug 1611660
https://hg.mozilla.org/integration/autoland/rev/9dc9deb3ba3bdfb7875b8259308d31ec46f4d6d1
Comment 8•5 years ago
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Should be fixed by backout: https://hg.mozilla.org/integration/autoland/rev/3c7cdd9f7b803c14af51d263f6fa62d4623c00a8
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Comment 10•5 years ago
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I don't think this was fixed by backout, test moved chunks and platforms
Natalia can you please continue to look into this?
Comment 11•5 years ago
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Continued r/b but it looks like the frequency is not that high, on most of the retrigger results it was 2-3 failures over 21 retriggers.
As Andreea said, it moves chunks and platforms which makes it a bit difficult to bisect as it would take a number of ~20 retriggers/job/platform.
Retriggered and backfilled on pushes before https://treeherder.mozilla.org/#/jobs?repo=autoland&revision=9dc9deb3ba3bdfb7875b8259308d31ec46f4d6d1&selectedJob=287022561 - Bug 1611660 .
Last r/b got to https://treeherder.mozilla.org/#/jobs?repo=autoland&searchStr=android%2C8.0%2Cpixel2%2Cquantumrender%2Copt%2Creftests%2Ctest-android-hw-p2-8-0-arm7-api-16-qr%2Fopt-geckoview-reftest-e10s-3%2Cr%28r3%29&tochange=ed4cadb326afe38a610445b64c0e8aae9a4c78ec&fromchange=a752d438b0176eef5e241cebd4c6f119f5a21b37&selectedJob=287120266
Comment 12•5 years ago
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The backout fixed the last 2 days spike, there were more than 30 failures in 24 hours, by comparison to the last 3 months when there were 82 failures.
Retriggeres after the backout was merged: https://treeherder.mozilla.org/#/jobs?repo=mozilla-central&searchStr=linux%2C18.04%2Cx64%2Cquantumrender%2Cshippable%2Copt%2Creftests%2Ctest-linux1804-64-shippable-qr%2Fopt-reftest-e10s-8%2Cr%28r8%29&fromchange=3c25ab24bcda1aba845a0266071741a3b17e908d&selectedJob=287065073
Started to frequently fail with this push: https://treeherder.mozilla.org/#/jobs?repo=autoland&revision=9dc9deb3ba3bdfb7875b8259308d31ec46f4d6d1, failed not only on Linux 18.04 x64 QuantumRender Shippable opt but also for Windows 10 x64 QuantumRender Shippable opt and other, multiple reftests tier1 and tier2.
As Natalia mentioned, the failure rate was not that high before, but I've continued r/b up to:
https://treeherder.mozilla.org/#/jobs?repo=autoland&searchStr=Android%2C8.0%2CPixel2%2CQuantumRender%2Copt%2CReftests%2Ctest-android-hw-p2-8-0-arm7-api-16-qr%2Fopt-geckoview-reftest-e10s-3%2CR%28R3%29&tochange=bc5880b621d585ca49be49e07ee14dd32153c01b&fromchange=a8df7fffc6251beb500f194f84a8888d6bb12f09&selectedJob=287230066
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Comment 27•5 years ago
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In the last 7 days there have been 28 occurrences, all on android-hw-p2-8-0-android-aarch64-qr opt.
Recent failure: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=301554759&repo=autoland&lineNumber=10648
Comment 28•5 years ago
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Retriggers show that this push could be the cause of the recent spike in this intermittent: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=AQINmkLCSW6HhbDCPaB0hQ-0&searchStr=reftest%2Candroid%2C8.0&revision=2c28e44f5823573216b029351b0ffd7509313c40
Timothy: Could you please take a look at this bug?
Comment 29•5 years ago
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There aren't any images in that test so I don't think the linked push could cause this.
I notice that in the reftest manifest this test is listed as
fuzzy-if(geckoview&&webrender&&emulator,0-11,0-632)
and the failing tests match all of that except emulator.
Comment 30•5 years ago
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Seems like the failure rate increased somewhere between Bug 1625696 and Bug 1634093, based on above.
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Comment 71•4 years ago
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https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.
Description
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