Bug 103855

Summary: REGRESSION(SUBPIXEL_LAYOUT): Repaint turds on Google Blog logo
Product: WebKit Reporter: Eric Seidel (no email) <eric>
Component: Layout and RenderingAssignee: Levi Weintraub <leviw>
Status: RESOLVED FIXED    
Severity: Normal CC: ap, jamesr, jchaffraix, jonlee, krit, leviw, pdr, simon.fraser, webkit-bug-importer
Priority: P1 Keywords: InRadar, Regression
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
URL: http://googleblog.blogspot.ro/2012/12/keep-internet-free-and-open.html
Bug Depends on:    
Bug Blocks: 101076    
Attachments:
Description Flags
screenshot from Chrome 25-dev none

Eric Seidel (no email)
Reported 2012-12-02 22:35:33 PST
Repaint turds on Google Blog logo I thought we fixed this long ago. :( http://googleblog.blogspot.ro/2012/12/keep-internet-free-and-open.html Hover over the logo, the circles will move away, and they'll leave repaint turds. 25.0.1337.0 (Official Build 169859) dev Looks fine in Safari Version 6.0.2 (8536.26.17) I have not tried TOT.
Attachments
screenshot from Chrome 25-dev (53.78 KB, image/png)
2012-12-02 22:49 PST, Eric Seidel (no email) 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Eric Seidel (no email)
Comment 1 2012-12-02 22:49:37 PST
Created attachment 177184 [details] screenshot from Chrome 25-dev
Dirk Schulze
Comment 2 2012-12-03 04:30:04 PST
Why the hack don't they use SVG for demos like this :/
Alexey Proskuryakov
Comment 3 2012-12-03 10:12:56 PST
Fails in Safari as or r135752.
Alexey Proskuryakov
Comment 4 2012-12-03 10:13:13 PST
<rdar://problem/12797605>
Simon Fraser (smfr)
Comment 5 2012-12-03 10:53:45 PST
I bisected to http://trac.webkit.org/log/trunk/?rev=133351&stop_rev=133351, in which I enabled subpixel layout on Mac.
Eric Seidel (no email)
Comment 6 2012-12-30 14:06:20 PST
Actually, it's silly to attribute it to bug 101076, since that only affects mac. This is a general regression from the subpixel changes. I've not yet tried using git-bisect to find the revision this broke for Chromium. It probably broke during the subpixel work and then only broke for chromium when tehy turned on subpixel. It's possible http://www.chromium.org/developers/bisect-builds-py could help, but I suspect it will just tell us it started failing when subpixel was turned on.
Simon Fraser (smfr)
Comment 7 2013-02-21 11:46:12 PST
Can't reproduce any more.
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