So you don't have an sdg in natty but update-grub still complains about it? And Maverick complains about sdc, which is a usb disk? Can you run update-grub with that disk unplugged and see what happens? Also can you post the output of this command from natty:
So you don't have an sdg in natty but update-grub still complains about it? And Maverick complains about sdc, which is a usb disk? Can you run update-grub with that disk unplugged and see what happens? Also can you post the output of this command from natty:
sudo blkid