On 01.07.2012, Tom Horsley wrote: > It is sitting there using between 50 and 100% of the > CPU virtually all the time :-(. I did watch closely over a period of 15 min. now, and Firefox showed totally normal behaviour without any CPU-spikes. [root at wildsau ~]# rpm -qa | grep -i "firefox" firefox-13.0.1-1.fc17.x86_64