500535 - severe performance issues with ff 3.5rc3

Status: RESOLVED DUPLICATE of bug 477564

(Firefox :: General, defect)

Description

[Paul Palaszeski]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1) Gecko/20090624 Firefox/3.5 (.NET CLR 3.5.30729)
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1) Gecko/20090624 Firefox/3.5 (.NET CLR 3.5.30729)

opened page in ff 3.5 rc3, ie 8, opera 9.63, iron 2.0.178.
all open + render it correctly (it's very simple table based html).

ie, opera, iron take about 2-3 seconds to open it, ff takes about 1 minute.

got firebug 1.4b2 installed but turned off

Reproducible: Always

Steps to Reproduce:
1. copy page to local dir to avoid net lag
2. open it
3.
Actual Results:  
page opens very slow. sometimes faster, seems to be done and then again hangs for ages.

Expected Results:  
<5sec