I initially didn't have any /var/run/console directory at all. I created the directory and updated /etc/pam.d/common-session as per bug 34063. After a reboot, g-v-m is now behaving as expected.
-- gnome-volume-manager won't start https://launchpad.net/bugs/51194 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs