22630 - CPU usage shoots to 100% when URL is entered

Status: VERIFIED WORKSFORME

(SeaMonkey :: General, defect, P3)

Description

[Biswapesh Chatterjee]

System: Build 1999122308 on WinNT4 (SP 5) PII 400 with 64 MB RAM.
Overview: CPU usage shoots to 100% for around 30 secs or so when you click on
the URL bar and press <Enter> after entering a new URL after starting up
mozilla for the first time.
Test Case: Open Mozilla. Click on URL bar. Type a URL and press <Enter>.
Actual Result: CPU usage shoots to 100% and stays there for about 30 secs. The
icon on the right freezes as well. No message on the console.
Expected Result: The URL should be loaded immediately.
Other Info: This only happens with the first URL. Subsequent URLs get loaded OK.

Comment 1

[David Baron :dbaron: (⌚️UTC-5, no longer working on Mozilla)]

Does it matter what URL you use?

Could you get a stack trace for what mozilla is doing while it's at 100% CPU?
This sounds similar to a Linux bug relating to font loading - do you have any
unusually large fonts installed on your system?

Comment 2

[Biswapesh Chatterjee]

I don't have a development build - nor VC++. So I can't get a stack trace
unless the program crashes. I tried to attach the standard NT debugger to the
program and it crashed immediately without generating any stack trace. Can you
tell me how to get a stack trace - sorry if I sound too ignorant.

And no, I don't have any non-standard fonts installed in my system.

Comment 3

[ekrock's old account (dead)]

Changing [PERFORMANCE] to [PERF].

Comment 4

[Chris Waterson]

is this still happening? i'm certainly not seeing it...

Comment 5

[Biswapesh Chatterjee]

Nops, it went away after I deleted by profile and mozregistry.dat - checked in 
yesterday's build.
Marking this VERIFIED.