[Bug 1019708] [NEW] Firefox pegs CPU usage immediately, even in safe mode

[Mike Hicks]

Public bug reported:

After updating to Firefox 13.0.1 (13.0.1+build1-0ubuntu0.11.10.1), the
browser immediately starts using large amounts of CPU time (50 to 100%),
even if I start the browser in "safe mode" with plugins and other
features disabled.  CPU usage remains consistently high as I browse
around to other places.

My home page is "about:startpage", the Ubuntu standard.

This should not happen.  CPU usage should be at or near zero upon
loading a simple page like that.

[mike at 3po][~]$ lsb_release -rd
Description:	Ubuntu 11.10
Release:	11.10
[mike at 3po][~]$ apt-cache policy firefox
firefox:
  Installed: 13.0.1+build1-0ubuntu0.11.10.1
  Candidate: 13.0.1+build1-0ubuntu0.11.10.1
  Version table:
 *** 13.0.1+build1-0ubuntu0.11.10.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ oneiric-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ oneiric-security/main amd64 Packages
        100 /var/lib/dpkg/status
     7.0.1+build1+nobinonly-0ubuntu2 0
        500 http://us.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  Firefox pegs CPU usage immediately, even in safe mode

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