Well, actually I found out that the sound had been muted for rhythmbox and apparently the mouse-over behaviour is hooked to it, because once I increased the volume (in sound preferences/applications) everything came back to normal. I wonder why the sound was muted in the first place.
** Changed in: ubuntu Status: New => Invalid -- [IDT 92HD73C1X5] Playback problem on rhythmbox and mouse-over audio files https://bugs.launchpad.net/bugs/573655 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs