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Issue 645247 link

Starred by 3 users
Status: Duplicate
Merged: issue 632495
Owner: ----
Closed: Sep 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 2
Type: Bug-Regression



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Image doesn't render until fully loaded

Reported by human.p...@gmail.com, Sep 8 2016 
UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.89 Safari/537.36

Steps to reproduce the problem:
It looks very similar to  issue 528827 . I noticed this problem recently so I assume it's a regression.

1. Open a big image, like https://upload.wikimedia.org/wikipedia/commons/1/16/The_Shuttle_Enterprise_-_GPN-2000-001363.jpg

You can also ctrl+F5 to redo the test.

What is the expected behavior?
it should show gradually from the top to the bottom when loading.

What went wrong?
It doesn't show at all until it's fully loaded. The in the meanwhile, there could be a small gray square frame (place holder?) on the top  left corner.

Did this work before? Yes 

Chrome version: 53.0.2785.89  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 23.0 r0

I made a GIF to show the bug. Check the attachment.
bug_chrome.gif
1021 KB View Download

Comment 1 by davidben@chromium.org, Sep 8 2016

Components: -UI Blink>Loader
Status: Untriaged (was: Unconfirmed)
I can reproduce this. For people with a fast enough connection to Wikipedia, here's a quick Go server that can artificially slow down loading a file.

Interestingly, it only happens when loading the image directly. In an image tag is fine. Also, looking at net-internals, from the net stack's perspective, all the data is coming in.

Using that same test server, we can still incrementally load HTML, so it's likely not the browser-side navigation logic. Tossing to Blink>Loader folks to triage from here.
load_slow.go
1.2 KB View Download

Comment 2 by ksakamoto@chromium.org, Sep 8 2016

Labels: -OS-Windows -Type-Bug Needs-Bisect OS-All Type-Bug-Regression
Status: Available (was: Untriaged)
Reproduced on Mac, in 52.0.2743.116 and 55.0.2853.0.
This is a regression, bisect needed.

Comment 4 by ksakamoto@chromium.org, Sep 9 2016

Labels: -Needs-Bisect
Mergedinto: 632495
Status: Duplicate (was: Available)
Thanks lingman@, let me merge into the one with an eng assigned.
►

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