I can confirm this. Properly because of the disk activity, the CPU is going to 100%, until you close Firefox (takes also a while before it's actually closed). It just started yesterday, out of nothing. I tried everything to find the cause of it:
I'm working in Kubuntu Hardy KDE 3.5.9.
*Started my working profile in safe-mode: same problem
*Copied a backup of my profile from a few weeks ago: same problem
*Started a new profile: no problems (yet)
I can confirm this. Properly because of the disk activity, the CPU is going to 100%, until you close Firefox (takes also a while before it's actually closed). It just started yesterday, out of nothing. I tried everything to find the cause of it:
I'm working in Kubuntu Hardy KDE 3.5.9.
*Started my working profile in safe-mode: same problem
*Copied a backup of my profile from a few weeks ago: same problem
*Started a new profile: no problems (yet)