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Starred by 2 users
Status: Assigned
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Pri: 2
Type: Bug

issue 563816

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"gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransfer*StyleResize" is flaky
Project Member Reported by, Jun 20 Back to list
"gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransferBeforeStyleResize" 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 4 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:

This flaky test/step was previously tracked in  issue 720188 .
Labels: -Sheriff-Chromium
Status: Assigned
Assigning to junov@, who recently enabled the test in

I will disable the test soon.
Project Member Comment 2 by, Jun 21
The following revision refers to this bug:

commit abc9d7aeb5a7aa1e919b01b0bf3c07a127c152fb
Author: Vaclav Brozek <>
Date: Wed Jun 21 11:13:43 2017

Disable Pixel_OffscreenCanvasTransfer*StyleResize tests
BUG= 735171 ,735228

Change-Id: Ia4fbdf4cbececb8c4bb877cfc8b8f2f2f21d2710
Commit-Queue: Vaclav Brozek <>
Reviewed-by: Vaclav Brozek <>
Cr-Commit-Position: refs/heads/master@{#481172}

The logs are showing this error when the failure occurs: [15164:15164:0620/] [.DisplayCompositor-0x2484f3ad5200]GL ERROR :GL_INVALID_OPERATION : glCreateAndConsumeTextureCHROMIUM: invalid mailbox name
[15164:15164:0620/] [.DisplayCompositor-0x2484f3ad5200]RENDER WARNING: texture bound to texture unit 0 is not renderable. It maybe non-power-of-2 and have incompatible texture filtering.

I suspect there is a race condition in the destruction of textures passed as mailboxes.
Blocking: 563816
Components: Blink>Canvas
Summary: "gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransfer*StyleResize" is flaky (was: "gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransferBeforeStyleResize" is flaky)
 Issue 735171  has been merged into this issue.
 Issue 734936  has been merged into this issue.
Labels: -Pri-1 Pri-2
Reduced priority since this issue concerns a feature that is not yet shipping.
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