Comment 15 for bug 1167624

Also, does the freeze occur any time you run the Spotify client? I see that you have it installed, and there seem to be numerous reports out there of that software freezing desktops:

http://xeizo.com/blogg/?p=528
http://ubuntuforums.org/showthread.php?t=2104226
http://community.spotify.com/t5/Help-Desktop-Linux-Mac-and/Bug-Spotify-freezes-desktop-if-I-search-and-select-a-new-artist/td-p/87421/page/2