** Attachment added: AptOrdering.txt
https://bugs.launchpad.net/bugs/640654/+attachment/1594432/+files/AptOrdering.txt
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/640654/+attachment/1594433/+files/Dependencies.txt
** Attachment added: Df.txt
As seen in bug 526418
Looks like something/someone broke the nmblookup alternatives setting.
I'd recommend purging the samba (including samba-common) packages,
clearing /var/lib/dpkg/alternatives/nmblookup and try to reinstall
samba.
** Changed in: samba (Ubuntu)
Importance: Undecided = Low