Last Comment Bug 503337 - [Windows and Linux, but NOT Mac] repainting problems on tall overflow:hidden div
: [Windows and Linux, but NOT Mac] repainting problems on tall overflow:hidden div
Status: RESOLVED DUPLICATE of bug 215055
: pp
Product: Core
Classification: Components
Component: Graphics (show other bugs)
: Trunk
: All All
: -- normal (vote)
: ---
Assigned To: Nobody; OK to take it and work on it
:
Mentors:
http://www.zeldman.com/foxy/
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2009-07-09 10:02 PDT by David Baron :dbaron: ⌚️UTC-7 (review requests must explain patch)
Modified: 2009-07-21 11:55 PDT (History)
1 user (show)
See Also:
Crash Signature:
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QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---


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Description David Baron :dbaron: ⌚️UTC-7 (review requests must explain patch) 2009-07-09 10:02:42 PDT
Jeffrey Zeldman blogged about a Firefox bug:
http://www.zeldman.com/2009/07/08/firefox-forces-red-background-flash/
http://www.zeldman.com/2009/07/09/firefox-test-page/
and posted a not-very-simplified test page at:
http://www.zeldman.com/foxy/

The bug appears to be present on Windows and Linux, but not on Mac.

Steps to reproduce:
 1. load http://www.zeldman.com/foxy/
 2. scroll down

Actual results: part way down the page, the white div and the content in it stops repainting, resulting in either orange background or garbage


On Linux, the repainting problems appear to start once the area we're trying to repaint is at least 32768 pixels from the top of the page.

It wouldn't surprise me if this were fixed if we did coordinate conditioning (i.e., reducing the coordinates that end up way off the edge of the page so that numbers stay under 2^16) on clipping regions (the way I think we might already do for rectangles to be filled), although I'm really not sure what the current state of that code is.
Comment 1 Nochum Sossonko [:Natch] 2009-07-09 10:07:34 PDT
Is this not another manifestation of bug 215055? Either way, I've definitely
seen this in the system here before...
Comment 2 David Baron :dbaron: ⌚️UTC-7 (review requests must explain patch) 2009-07-09 10:32:18 PDT
Er, yes.  I sort of thought there was a bug, but I couldn't find one with a few searches...

I'd also forgotten about the widget issue, so I was sort of searching for the wrong things, though.

*** This bug has been marked as a duplicate of bug 215055 ***

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