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@3po][~]$ lsb_release -rd
Description: Ubuntu 11.10
Release: 11.10
[mike@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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https://bugs.launchpad.net/bugs/1019708
Title:
Firefox pegs CPU usage immediately, even in safe mode
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