Weird Firefox performance issue

[Matej Cepl]

On 3.5.2012 00:31, Jonathan Kamens wrote:
> Frequent hangs for anywhere from a second to 30 seconds. Lack of
> responsiveness to key and button presses. Delays from when I clicked
> a scroll bar and dragged it to when the window actually scrolled.
> Frequent long delays from when an external app tried to launch a page
> to when the tab actually opened.

Is there anything interesting about your setup (e.g., $HOME on NFS, 
NTFS, or some other kind of non-obvious configuration)?

Matěj