The log show many Input/Output errors. So this is basically an hardware problem... check your harddisk but it's not a bug in dpkg.
** Changed in: dpkg (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/885783 Title: package samba-common-bin 2:3.5.8~dfsg-1ubuntu2 failed to install/upgrade: ErrorMessage: package samba-common-bin is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/885783/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs