package xserver-common 2:1.11.4-0ubuntu10.17 failed to install/upgrade: trying to overwrite '/var/lib/xkb/README.compiled', which is also in package xserver-common-lts-trusty 2:1.15.1-0ubuntu2~precise5

[john paul asonio]

invoke-rc.d: policy-rc.d denied execution of start.
Errors were encountered while processing:
 /var/cache/apt/archives/xserver-common_2%3a1.17.2-1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Kali 2.0
Package: xserver-common 2:1.11.4-0ubuntu10.17
Uname: Linux 3.8.11 x86_64
ApportVersion: 2.0.1-0ubuntu17.13
Architecture: amd64
Date: Sun Nov 8 20:09:44 2015
DuplicateSignature: package:xserver-common:2:1.11.4-0ubuntu10.17:trying to overwrite '/var/lib/xkb/README.compiled', which is also in package xserver-common-lts-trusty 2:1.15.1-0ubuntu2~precise5
ErrorMessage: trying to overwrite '/var/lib/xkb/README.compiled', which is also in package xserver-common-lts-trusty 2:1.15.1-0ubuntu2~precise5
MarkForUpload: True
PackageArchitecture: all
SourcePackage: xorg-server
Title: package xserver-common 2:1.11.4-0ubuntu10.17 failed to install/upgrade: trying to overwrite '/var/lib/xkb/README.compiled', which is also in package xserver-common-lts-trusty 2:1.15.1-0ubuntu2~precise5
UpgradeStatus: Upgraded to sana on 2015-11-08 (0 days ago)

[Timo Aaltonen (tjaalton)]

it's not supported to install stock packages on top of lts backports