On Thursday 05 March 2015, Baron wrote:
> Hi All,
>
> Debian Jessie, R14.
> I've noticed an odd thing.  Having closed Iceweasel, it still seems
> to be running and taking 98% cpu according to KSysguard.  I had
> noticed a slowdown in browsing for a few days now, but didn't
> realise why until last night.

Same here with Firefox. Depends on the special page you are looking at 
(Flash?). Closing some tabs sometimes helps.

Gerhard