This bug was flagged as a duplicate of 1203534, but now apparently is no longer a duplicate.
As posts in the sometime duplicate suggested the problem occurred in front end of do-release-upgrade command with the NVIDIA driver, and could be avoided by using non proprietary driver, I tried switching from NVIDIA driver to nouveau driver. As I posted on the erstwhile duplicate bug, the upgrade ran successfully from update-manager GUI. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241684 Title: Upgrade 13.04 to 13.10 Fail real-time signal 0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1241684/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
