Not a samba bug.
** Package changed: samba (Ubuntu) => dpkg (Ubuntu)
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Problems started occurring when i added 'mediubuntu' to the package sources
list: package smbclient 2:3.3.2-1ubuntu3.1 failed to install/upgrade: short
read in buffer_copy (backend dpkg-deb during `./usr/bin/rpcclient')
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/32874311/Dependencies.txt
** Attachment added: "DpkgTerminalLog.txt"
http://launchpadlibrarian.net/32874312/DpkgTerminalLog.txt
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Problems started occurring when i added 'mediubuntu' to the package sources
list: pack