Ubuntu
firefox package

  1. Bug #20765
  2. Comment #64

Comment 64 for bug 20765

Revision history for this message
In , higuita (higuita) wrote :

Comment #58: the 50% of CPU is probably because you have a dual core CPU (or hyperthreading), firefox is using 100% of one CPU and none of the other

can you try with a totally new profile? and how about not using any proxy (or a manual proxy instead of automatic if you require one)