325311 - Moving graphics cause 100% CPU usage, Camino unresponsive.

Status: VERIFIED DUPLICATE of bug 166932

(Camino Graveyard :: General, defect)

Description

[Koen De Vleeschauwer]

User-Agent:       Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.9a1) Gecko/20060122 Camino/1.0+
Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.9a1) Gecko/20060122 Camino/1.0+

The website www.computeruniverse.com displays moving graphics ( a banner with snowflakes falling). This causes 100%CPU usage on G4 800 MHz iMac and spinning beachball, with 50% memory free and disk quiescent.

The same web page without moving graphics does not have this problem.
The same web page on Safari 



Reproducible: Always

Steps to Reproduce:
1.Open http://www.computeruniverse.net/cu_top2.asp?nosnow=true
2.Observe CPU usage; should be quiescent.
3.Open http://www.computeruniverse.net/cu_top2.asp?nosnow=false
4.Observe CPU usage, should be 100%.
5.Open http://www.computeruniverse.net
6.Click around a bit; spinning beachball appears.
Actual Results:  
Camino unresponsive, spinning beachball.




In contrast with Camino, when opening http://www.computeruniverse.net with Safari, there is 20+% CPU idle, and Safari is responsive.

Comment 1

[Koen De Vleeschauwer]

Attachment: Activity Monitor sample with moving graphics (snow)

Comment 2

[Koen De Vleeschauwer]

Attachment: Activity Monitor sample of Camino - no moving graphics (no snow)

Comment 3

[Smokey Ardisson (offline for a while; not following bugs - do not email)]

It's not as bad on a slightly faster CPU (and on the branch).

This is the coalescing updates and multiple animated elements, etc. bug.

*** This bug has been marked as a duplicate of 166932 ***