package mdadm (not installed) failed to install/upgrade: trying to overwrite '/sbin/mdadm', which is also in package mdadm-udeb 2.6.3+200709292116+4450e59-3ubuntu3

[Alex]

Errors were encountered while processing:
 /var/cache/apt/archives/mdadm_3.1.4-1+8efb9d1ubuntu4.1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: mdadm (not installed)
ProcVersionSignature: Ubuntu 2.6.38-14.58-generic 2.6.38.8
Uname: Linux 2.6.38-14-generic i686
AptOrdering:
 mdadm: Install
 postfix: Install
 mdadm: Configure
 postfix: Configure
Architecture: i386
Date: Thu Jul 12 10:03:42 2012
DpkgTerminalLog:
 Unpacking mdadm (from .../mdadm_3.1.4-1+8efb9d1ubuntu4.1_i386.deb) ...
 dpkg: error processing /var/cache/apt/archives/mdadm_3.1.4-1+8efb9d1ubuntu4.1_i386.deb (--unpack):
  trying to overwrite '/sbin/mdadm', which is also in package mdadm-udeb 2.6.3+200709292116+4450e59-3ubuntu3
ErrorMessage: trying to overwrite '/sbin/mdadm', which is also in package mdadm-udeb 2.6.3+200709292116+4450e59-3ubuntu3
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
SourcePackage: mdadm
Title: package mdadm (not installed) failed to install/upgrade: trying to overwrite '/sbin/mdadm', which is also in package mdadm-udeb 2.6.3+200709292116+4450e59-3ubuntu3
UpgradeStatus: Upgraded to natty on 2012-05-23 (50 days ago)

[Dimitri John Ledkov (xnox)]

It would be interesting to know the output of:

$ apt-cache policy mdadm-udeb

And / or the contents of /var/lib/dpkg/*

By default mdadm-udeb is not available for installation, it's d-i component. So it's interesting to know, how you got to the point of having mdadm-udeb installed.

[Launchpad Janitor (janitor)]

[Expired for mdadm (Ubuntu) because there has been no activity for 60 days.]