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Issue metadata

Status: Assigned
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug

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Issue 862716: "css3/filters/effect-brightness-clamping-hw.html" is flaky

Reported by, Jul 11 2018 Project Member

Issue description

"css3/filters/effect-brightness-clamping-hw.html" is flaky.

This issue was created automatically by the chromium-try-flakes app. Please find the right owner to fix the respective test/step and assign this issue to them. If the step/test is infrastructure-related, please add Infra-Troopers label and change issue status to Untriaged. When done, please remove the issue from Sheriff Bug Queue by removing the Sheriff-Chromium label.

We have detected 3 recent flakes. List of all flakes can be found at

Flaky tests should be disabled within 30 minutes unless culprit CL is found and reverted. Please see more details here:

Comment 1 by, Jul 12 2018

Components: Blink>Compositing>Filters
Labels: OS-Mac

Comment 2 by, Jul 12 2018

Project Member
The following revision refers to this bug:

commit 704b3f013b80c7a5f93296e3d146758d5c0b0ccc
Author: Mike West <>
Date: Thu Jul 12 12:44:57 2018

Mark several layout tests as flaky.

- css3/filters/effect-brightness-clamping-hw.html
- virtual/gpu/fast/canvas/canvas-blending-image-over-image.html
- css3/filters/effect-drop-shadow-hw.html
- external/wpt/html/syntax/parsing/template/creating-an-element-for-the-token/template-owner-document.html

Bug: 862716,  862729 , 862806,  862826 
Change-Id: I08126b22afdc0a7a4ef776dde8cc1120643acdcc
Commit-Queue: Mike West <>
Reviewed-by: Mike West <>
Cr-Commit-Position: refs/heads/master@{#574539}

Comment 3 by, Jul 12 2018

Labels: -Sheriff-Chromium
Status: Assigned (was: Untriaged)

Comment 4 by, Jul 12 2018

Project Member
Labels: Sheriff-Chromium
Detected 4 new flakes for test/step "css3/filters/effect-brightness-clamping-hw.html". To see the actual flakes, please visit This message was posted automatically by the chromium-try-flakes app. Since flakiness is ongoing, the issue was moved back into Sheriff Bug Queue (unless already there).

Comment 5 by, Jul 12 2018

Project Member
The following revision refers to this bug:

commit 1675ae13cee8e9e29b7a8fa96ac7416865a888d9
Author: Kim Paulhamus <>
Date: Thu Jul 12 22:58:44 2018

Disable flaky test effect-brightness-clamping-hw.html on Win and Linux

Was formerly disabled on Mac.

Bug: 862716
Change-Id: I56fa0b3c738189c9b5e89e2fbedb4655c8ca789f
Reviewed-by: Kim Paulhamus <>
Commit-Queue: Kim Paulhamus <>
Cr-Commit-Position: refs/heads/master@{#574764}

Comment 6 by, Jul 12 2018

Labels: -Sheriff-Chromium

Comment 7 by, Aug 15

Project Member
The following revision refers to this bug:

commit 8784c77c7e59051e6eaae32faa53d0cabe77100b
Author: Xida Chen <>
Date: Wed Aug 15 11:06:40 2018

Mark css3/filters/effect-brightness-clamping-hw.html timeout


Bug: 862716
Change-Id: I8e44194cc964ee607d4216d1c338bfeed28e630f
Reviewed-by: Xida Chen <>
Commit-Queue: Xida Chen <>
Cr-Commit-Position: refs/heads/master@{#583214}

Comment 8 by, Jan 25

Labels: Test-Flaky

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