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White noise instead of opacity with iframe
Reported by
akif...@gmail.com,
Aug 31 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Steps to reproduce the problem: 1. Download all files into one directory 2. Open included opacity.html 3. See animated div with opacity in front of iframe What is the expected behavior? Normal opacity render What went wrong? White noise instead of opacity on some computers. See attached screenshot.png Did this work before? N/A Chrome version: 60.0.3112.113 Channel: stable OS Version: 10.0 Flash Version: Some computers have normal render. Same versions of Chrome.
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Sep 1 2017
Tested the issue on windows 10 & 7 , Mac OS 10.12.6 using chrome M60 #60.0.3112.113 and M62 #62.0.3201.0 and observed similar behavior in firefox and chrome. Attached screencast for reference. @akiff13-- Could you please check attached screencast for reference and let us know if this is the expected result and please check in fresh chrome profile without any extensions and flags enabled and update us with your observations. Thanks!
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Sep 1 2017
Your behavior is valid. But me and my collegues have invalid behavior as in my screenshot. Div is moving because we can see bug only after moving. We tested it in clear new chromium too. It has the same problem. You should try it with another hardware. It isn't related to windows version(we have different with same bug).
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Sep 1 2017
Thank you for providing more feedback. Adding requester "hdodda@chromium.org" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Sep 6 2017
Able to reproduce this issue on Windows-10 (HiDPI) using chrome latest stable #60.0.3112.113 by following steps mentioned in the original comment. Bisect Information: ---------------------- Good build: 60.0.3080.0 (466837) Bad build: 60.0.3081.0 (467177) Note: Unable to perform chromium bisect, all the invoked builds are bad even after increasing the good build range. Hence providing manual CL below. Change Log: https://chromium.googlesource.com/chromium/src/+log/60.0.3080.0..60.0.3081.0?pretty=fuller&n=10000 From the above CL suspecting the below change https://chromium.googlesource.com/chromium/src/+/aa2022ef0c852f06466f4e82f8f556242129ff89 drott@ - Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner. Thanks!
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Sep 6 2017
Looks more like paint than font. Alloe me to label Paint, but please re-assign if this looks incorrect. pdr@, could you mind to advice what is the most possible cause?
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Sep 6 2017
There are any number oif potential blame patches. Here are just a few. I'll try bisecting again. https://chromium.googlesource.com/chromium/src/+/1931faea0d5ada216fca3c11add153ceaa82ba6d Set GPU rasterization trigger for OOPIFs. kenrb https://chromium.googlesource.com/chromium/src/+/23d381fd827c8880b85fe5794627e98af07454cc Move LayerImpl's bounds_delta to property trees, pdr https://chromium.googlesource.com/chromium/src/+/db968800ed0e05f677ffceaceebe8e94c0edf95f. Skia roll https://chromium.googlesource.com/chromium/src/+/0e55c1eae61583ba6634a8a58cb30a2b38c922a9 cc: Sync scroll/animation state for impl-side pending tree. https://chromium.googlesource.com/chromium/src/+/b1e280d1a61f77855418913417c941c7faff176c cc: Push Animation Finished State and Use Finished State for IsCompleted weiliangc
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Sep 6 2017
I could not reproduce with Windows 10 HighDPI (125%) with Version 61.0.3163.59 (Official Build) beta (64-bit). Given M-61 is rolling out any day now, this seems like we should wait. akiff13@, do you have the same problem with Chrome Canary? Can you paste in the results from visiting chrome://gpu for a computer that works and one that does not?
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Sep 14 2017
Just got to this bug after my vacation. I agree that this does not trivially reproduce, but it could definitely be due to a difference in our hardware. As Stephen noted, can you try with Chrome Canary (or re-try with Chrome 61 which should be out now)? If you are still able to reproduce, please go to chrome://gpu, file>save as, and attach the file here.
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Sep 15 2017
Testing team: does the repro that you found in comment 5 still work on Canary, or has it since been fixed?
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Sep 18 2017
The NextAction date has arrived: 2017-09-18
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Sep 22 2017
Response to C#10, Still we are able to reproduce the issue on latest Canary-63.0.3221.0 on Windows 10 (HiDPI) machine .Removing Test-Confirmation label. Thanks.
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Sep 25 2017
jmukthavaram, can you please post your chrome://gpu information? I'm not able to reproduce this locally but I think it is likely hardware-specific.
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Sep 25 2017
Because this only reproduces on some hardware, I suspect this is cc and not paint. Could also be the Skia roll. I tried to reproduce on both low and high dpi on windows.
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Sep 26 2017
Please also try with --disable-d3d11 . Does that fix it? @robertphillips: this appears to a duplicate of issue 755871 , can you confirm?
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Sep 28 2017
It seems unlikely to be a duplicate of crbug.com/755871 . That bug is driven by an ancient Intel driver bug. This CL seems reproducible on Windows 10.
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Oct 2 2017
akiff13@, is this still happening with Chrome 61? What happens if you disable d3d11 as requested in comment #15?
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Oct 2 2017
Testing team: please post the contents of about:gpu and more information about the specific device.
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Oct 5 2017
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Oct 11 2017
As per comment #18 attaching GPU details. I have Windows-10 Dell Precision M3800 (HiDPI).
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Oct 11 2017
Given the symptoms (i.e., noise on Angle/D3D11) I suspect this is a duplicate of crbug.com/768134 . I have never been able to repro this bug locally however. Could someone who can repro the problem consistently see if it still repros in the 63.0.3234.0 (or above) Canary? Unfortunately, the fix is not yet in any available Beta.
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Oct 12 2017
Verified this issue on Windows-10 using chrome latest canary #63.0.3237.7 and latest beta #62.0.3202.52, Observed no noise in the animation using the test case provided in the original comment and confirming this issue got fixed and working as expected. Thanks!
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Oct 12 2017
Given the comments in #22, I'm duplicating this into crbug.com/768134
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Oct 16 2017
The NextAction date has arrived: 2017-10-16 |
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Comment 1 by akif...@gmail.com
, Aug 31 2017183 bytes
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