andar wrote: Sounds like the PyGTK bug. If you open another process from within Deluge, you could get 100% cpu usage. This will be fixed in pygtk 2.18, I think.

I think you are right. Downgrading PyGTK to the stable 2.14 version seems to have done the trick. Thank you.

I've never upgraded libtorrent. The problem occurs with:

Hello I would just like to confirm this problem on both an Arch Linux and a Gentoo system (deluge runs in daemon mode on the Gentoo box). Running strace on the gui's pid shows me something like endless polling. I can probably get a more accurate trace if required. I hope this gets fixed soon. Thanks