I'm trying to upgrade from 12.04 to 12.10 but it consistently fails in the same way.
First, the upgrade process loops (do-release-upgrade) by going through the following many times
Reading package lists... Done Building dependency tree... Done Reading state information... Done Building data structures... Done
Then it dies with "Unable to get exclusive lock".
I am not running another package manager, so this is not a duplicate of Unable to use package manager due to "exclusive lock" error.
Anybody has any ideas how to go about fixing this? I tried looking at the logs in /var/log/dist-upgrade but I couldn't find any useful error information.