This bug isn't caused by gnome-session. I'm on Kubuntu, gnome-session isn't even installed (/etc/alternatives/x-session-manager points to /usr/bin/startkde here), and yet I too see this 'esd not found' error with certain applications.
This bug isn't caused by gnome-session. I'm on Kubuntu, gnome-session isn't even installed (/etc/alternati ves/x-session- manager points to /usr/bin/startkde here), and yet I too see this 'esd not found' error with certain applications.