598332 - Graphics Bug in Flash when scrolling

Status: RESOLVED DUPLICATE of bug 587508

(Core :: Graphics, defect)

Description

[thomasdickescheid]

User-Agent:       Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6) Gecko/20100101 Firefox/4.0b6
Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6) Gecko/20100101 Firefox/4.0b6

See Steps to Reproduce / Actual Results

Reproducible: Always

Steps to Reproduce:
1. Open Page with Flash
2. Scoll down and up 
Actual Results:  
Some parts of the page are now shown in the Flash window

Comment 1

[Bobby Johnson [:rjohnson19]]

Can you disable hardware acceleration: in Options -> Advanced -> General, uncheck "Use hardware acceleration when available" and restart Firefox, and see if you still have the problem?

If not, this is probably a dupe of bug 587508

Comment 2

[thomasdickescheid]

Ok, now i don't have the bug anymore.

Comment 3

[René Schwarz]

Same problem here with Firefox 4.0b6, Windows 7 x64 and nearly every webpage with Flash content (Flash version 10.1.85.3 installed). Attached screenshot.

On some pages w/ Flash Firefox is incredible slow; e.g. <http://www.cirquedusoleil.com/>: The browser is not useable anymore -- only a process kill is possible.

After deactivating hardware acceleration, the problem is gone, but that should not be a solution.

Comment 4

[René Schwarz]

Attachment: Screenshot of a erroneous Flash rendering showing decomposed areas.

Comment 5

[Bobby Johnson [:rjohnson19]]

Sluggish UI with certain Flash is a separate bug, this is definitely a dupe of bug 587508 from that screenshot.