I think this is probably a bug with the Intel Audio. The original poster had that too. There have also been other problems with it in the past.
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller (listed as Realtek ALC888 in alsamixer) Gigabyte EX58-UD3R, i7 920 This would probably make it a pulse-audio bug. -- User interface stutters / laggy when mouse NOT moving https://bugs.launchpad.net/bugs/661327 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp