Comment 10 for bug 873411

Having the same error message (on Kubuntu).

After the failed upgrade, trying to use the KDE System Settings -> Software Updates fails with:
"ia32-libs: Recommends: ia32-libs-multiarch but it is not installable"
"Breaks: nspluginwrapper (< 1.4.4-0ubuntu2) but 1.2.2-0ubuntu9 is to be installed"

Instead I added oneric-proposed to the /etc/apt/sources.list as mentioned on the EnableProposed page and ran:
apt-get update
apt-get install update-manager-kde

This installs 1:0.152.25, no idea if that has the changes you wanted tested.

Still no luck, same error. Oh, look. apt has filled up my /var partition with old packages (disk full in exception in /var/log/dist-upgrade/main.log). Would be nice if the upgrade checked for available diskspace first as /var must have been almost full when I started.

Anyway, after making room and restarting it is now proceeding past the error. I didn't save my original logfiles so I can't be 100% certain it was the same problem, but for what it is worth it seems to work for me now.

See you on the other side.