Public bug reported: This happened when I was trying to use 4.4 kernel with Ubuntu 14.04 following commands mentioned in https://wiki.ubuntu.com/Kernel/LTSEnablementStack I used following command in particular
sudo apt-get install --install-recommends linux-generic-lts-xenial xserver-xorg-core-lts-xenial xserver-xorg-lts-xenial xserver-xorg-video- all-lts-xenial xserver-xorg-input-all-lts-xenial libwayland-egl1-mesa- lts-xenial libgl1-mesa-glx-lts-xenial libgl1-mesa-glx-lts-xenial:i386 libglapi-mesa-lts-xenial:i386 ProblemType: Package DistroRelease: Ubuntu 14.04 Package: xserver-xorg-core-lts-xenial (not installed) ProcVersionSignature: Ubuntu 3.13.0-93.140-generic 3.13.11-ckt39 Uname: Linux 3.13.0-93-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 Date: Tue Aug 9 18:38:28 2016 DpkgTerminalLog: Preparing to unpack .../xserver-xorg-core-lts-xenial_2%3a1.18.3-1ubuntu2.2~trusty2_amd64.deb ... Unpacking xserver-xorg-core-lts-xenial (2:1.18.3-1ubuntu2.2~trusty2) ... dpkg: error processing archive /var/cache/apt/archives/xserver-xorg-core-lts-xenial_2%3a1.18.3-1ubuntu2.2~trusty2_amd64.deb (--unpack): trying to overwrite '/usr/lib/xorg/modules/libglamoregl.so', which is also in package xserver-xorg-video-glamoregl 0.6.0-0ubuntu4 DuplicateSignature: package:xserver-xorg-core-lts-xenial:(not installed):trying to overwrite '/usr/lib/xorg/modules/libglamoregl.so', which is also in package xserver-xorg-video-glamoregl 0.6.0-0ubuntu4 ErrorMessage: trying to overwrite '/usr/lib/xorg/modules/libglamoregl.so', which is also in package xserver-xorg-video-glamoregl 0.6.0-0ubuntu4 InstallationDate: Installed on 2011-03-21 (1968 days ago) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) RelatedPackageVersions: dpkg 1.17.5ubuntu5.7 apt 1.0.1ubuntu2.14 SourcePackage: xorg-server-lts-xenial Title: package xserver-xorg-core-lts-xenial (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/xorg/modules/libglamoregl.so', which is also in package xserver-xorg-video-glamoregl 0.6.0-0ubuntu4 UpgradeStatus: Upgraded to trusty on 2014-12-17 (601 days ago) ** Affects: xorg-server-lts-xenial (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package need-duplicate-check package-conflict trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1611373 Title: package xserver-xorg-core-lts-xenial (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/xorg/modules/libglamoregl.so', which is also in package xserver-xorg-video-glamoregl 0.6.0-0ubuntu4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server-lts-xenial/+bug/1611373/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs