I've had a similar error, but not because of space on device issues... but rather I think because I have my boot partition mounted read-only.
Regards, Mike Miller -- [dist-upgrade] update-manager failed because "no space left on device" on /boot https://launchpad.net/bugs/43476 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs