Bug 72945 - Background image attachment changed to fixed in JS shows repaint errors
Summary: Background image attachment changed to fixed in JS shows repaint errors
Status: RESOLVED DUPLICATE of bug 78300
Alias: None
Product: WebKit
Classification: Unclassified
Component: CSS (show other bugs)
Version: 528+ (Nightly build)
Hardware: Mac (Intel) OS X 10.6
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-11-22 05:37 PST by Ned Baldessin
Modified: 2012-03-22 23:03 PDT (History)
3 users (show)

See Also:

Attachments
Reduced demo of the bug (1.31 KB, text/html)
2011-11-22 05:37 PST, Ned Baldessin 		no flags Details
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Description Ned Baldessin 2011-11-22 05:37:47 PST 
Created attachment 116211 [details]
Reduced demo of the bug

See reduced demo attached.

Steps to Reproduce:
- create div with background-image: scroll
- in JS, set backgroundAttachment: fixed on the element
- when you scroll, the display of the element is garbled or not updated.

Additional Information:
- This bug does not appear when the page is displayed inside an iframe.
Comment 1 Ned Baldessin 2011-11-22 06:11:42 PST 
Additional Information (after spending 2 days on this):
- setting overflow:hidden or overflow:auto on the element fixes the bug. -sigh-
Comment 2 David Barr 2012-03-22 23:03:43 PDT 
This has been fixed in trunk, bisecting gives the range:
http://trac.webkit.org/log/trunk/?rev=107355&stop_rev=107276

In particular, most likely fixed by:
http://trac.webkit.org/changeset/107335/trunk

Marking as duplicate of WK78300.

*** This bug has been marked as a duplicate of bug 78300 ***