Docker shows no containers or images after system reboot

Help! I can't get docker to recognize the images and containers it had just a moment ago. After running `apt-get update && apt-get dist-upgrade` and rebooting, I see docker reporting no data: ``` $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES $ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ``` But the data appears to still be there ``` $ sudo du -hs /var/lib/docker/* 8.0K /var/lib/docker/apparmor 1.9G /var/lib/docker/aufs 136K /var/lib/docker/containers 292M /var/lib/docker/devicemapper 8.0K /var/lib/docker/execdriver 712K /var/lib/docker/graph 17M /var/lib/docker/init 8.0K /var/lib/docker/linkgraph.db 4.0K /var/lib/docker/repositories-aufs 4.0K /var/lib/docker/repositories-devicemapper 4.0K /var/lib/docker/volumes ``` Could it be looking in the wrong place for it? Is there some config file that specifies the storage location? Edit: running `docker -d -D` reports: ``` [debug] daemon.go:328 Cannot load container 93092d010a9abe9affc217684782e8b2986e560897eb4527715e9bffe0446136 because it was created with another graph driver. ```