I had this bug again last week in Karmic beta. I worked around it by turning my speaker off in alsamixer.
-- Applications use the PC speaker beep for alerts altough a sound file is set up in sound settings https://bugs.launchpad.net/bugs/280625 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