MouseLatencyBrowserTest.MouseDownAndUpRecordedWithoutSwap flaky on Linux TSan bot |
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Issue descriptionMouseLatencyBrowserTest.MouseDownAndUpRecordedWithoutSwap is flakily failing on https://luci-milo.appspot.com/buildbot/chromium.memory/Linux%20TSan%20Tests . First failure I found was from 5/30: https://luci-milo.appspot.com/buildbot/chromium.memory/Linux%20TSan%20Tests/6710 A more recent failure: https://luci-milo.appspot.com/buildbot/chromium.memory/Linux%20TSan%20Tests/6775 Didn't see any immediate cause of this and the test is fairly new; assigning to the test author for further triage.
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Jun 5 2017
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Jun 5 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/ecfb2ded05e975b139ea9929958b3b366c65f93e commit ecfb2ded05e975b139ea9929958b3b366c65f93e Author: tdresser <tdresser@chromium.org> Date: Mon Jun 05 18:36:25 2017 Fix Flaky Mouse latency test. There are some timing issues that are tricky to get right for cases where rendering is scheduled due to mouse input. Fix the flake by preventing rendering from being scheduled. Mouse down was triggering text selection logic, which scheduled rendering. To prevent this, use user-select:none. BUG= 728486 Review-Url: https://codereview.chromium.org/2923623002 Cr-Commit-Position: refs/heads/master@{#477037} [modify] https://crrev.com/ecfb2ded05e975b139ea9929958b3b366c65f93e/content/browser/renderer_host/input/mouse_latency_browsertest.cc
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Jun 11 2017
According to Findit, the flakiness seems to start in this revision range 475687:475693 https://findit-for-me.appspot.com/waterfall/flake?key=ag9zfmZpbmRpdC1mb3ItbWVy2gELEhdNYXN0ZXJGbGFrZUFuYWx5c2lzUm9vdCKjAWNocm9taXVtLmxpbnV4L0xpbnV4IFRlc3RzIChkYmcpKDEpLzYzNzYzL2Jyb3dzZXJfc2lkZV9uYXZpZ2F0aW9uX2NvbnRlbnRfYnJvd3NlcnRlc3RzL1RXOTFjMlZNWVhSbGJtTjVRbkp2ZDNObGNsUmxjM1F1VFc5MWMyVkViM2R1UVc1a1ZYQlNaV052Y21SbFpGZHBkR2h2ZFhSVGQyRncMCxITTWFzdGVyRmxha2VBbmFseXNpcxgBDA
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Jun 12 2017
This appears to be fixed. |
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Comment 1 by tdres...@chromium.org
, Jun 1 2017