415805 - very high processor load

Status: RESOLVED INCOMPLETE

(Firefox :: Shell Integration, defect)

Description

[matt]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b2) Gecko/2007121120 Firefox/3.0b2
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b2) Gecko/2007121120 Firefox/3.0b2

after about an hour of use, ff seems to take up more than its fair share of the processor. it isnt uncommon to see 95% load from firefox alone, after the browser has been open for over an hour.    I can close ff and re-open all the sites i previously had open, and the cpu load is rarely above the mid 20s.

Reproducible: Always

Steps to Reproduce:
1.open firefox
2.open multiple tabs
3.leave it open for more than an hour.

Actual Results:  
pc slowed to a crawl. Authoring in flash becomes very slow and unresponsive.

Expected Results:  
the software should have stayed in the 20s range for processor load.

default theme, mostly default settings.

about:buildconfig

Build platform
target
i686-pc-mingw32
Build tools
Compiler 	Version 	Compiler flags
cl 	14.00.50727 	-TC -nologo -W3 -Gy -Fd$(PDBFILE)
cl 	14.00.50727 	-GR- -TP -nologo -Zc:wchar_t- -W3 -Gy -Fd$(PDBFILE)

Configure arguments
--enable-application=browser --enable-update-channel=beta --enable-optimize --disable-debug --disable-tests --enable-update-packaging --enable-official-branding

Comment 1

[RubyRedDevon]

Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-GB; rv:1.9.0.5) Gecko/2008120121 Firefox/3.0.5

Apple Powerbook G4 667MHZ PPC  1Gb RAM

Hogs processor immediately on loading. Deafult web page is www.google.com. Fan starts within minutes of loading Firefox and laptop becomes hot. CPU usage hovers around 80% continually whilst Firefox is loaded even when it is quiescent. Although Firefox may be quiescent, incoming data from network is significant. Similar activity using Safari yields <5% processor usage and when quiescent processor usage drops to 0%with no incoming data from the network.

Comment 2

[Wayne Mery (:wsmwk)]

do you see this problem with current beta of 3.1 and flash v10, and started in safe mode?  
 http://www.mozilla.com/en-US/firefox/all-beta.html

RubyRed - your isssue is not likely to be related to this bug.  Please retest with v3.1 and file a new bug if you still see a problem.

Comment 3

[Tyler Downer [He/Him]]

@Reporter, we have not heard back from you in a while, so I am closing this bug as INCOMPLETE. You can reopen this bug if more information becomes available. Some helpful information you can provide us is found at http://quality.mozilla.org/bug-writing-guidelines. You should also use a recent version of Firefox, from http://www.getfirefox.com.