I can confirm this bug and add to it--I get the exact same behavior with my firewire (1394) external drive. Same error message, "cannot eject volume," and sudo umount does work to eject it as a workaround.
I can confirm this bug and add to it--I get the exact same behavior with my firewire (1394) external drive. Same error message, "cannot eject volume," and sudo umount does work to eject it as a workaround.