This no longer seems to be an issue as xservser-xorg-video-glamoregl will be removed when installing the -lts-vivid packages.
The following extra packages will be installed: libegl1-mesa-lts-vivid libgbm1-lts-vivid libgl1-mesa-dri-lts-vivid libgl1-mesa-glx-lts-vivid libglapi-mesa-lts-vivid libgles1-mesa-lts-vivid libgles2-mesa-lts-vivid libxatracker2-lts-vivid xserver-xorg-input-evdev-lts-vivid xserver-xorg-input-mouse-lts-vivid xserver-xorg-input-synaptics-lts-vivid xserver-xorg-input-vmmouse-lts-vivid xserver-xorg-input-wacom-lts-vivid xserver-xorg-video-ati-lts-vivid xserver-xorg-video-cirrus-lts-vivid xserver-xorg-video-fbdev-lts-vivid xserver-xorg-video-intel-lts-vivid xserver-xorg-video-mach64-lts-vivid xserver-xorg-video-mga-lts-vivid xserver-xorg-video-neomagic-lts-vivid xserver-xorg-video-nouveau-lts-vivid xserver-xorg-video-openchrome-lts-vivid xserver-xorg-video-r128-lts-vivid xserver-xorg-video-radeon-lts-vivid xserver-xorg-video-savage-lts-vivid xserver-xorg-video-siliconmotion-lts-vivid xserver-xorg-video-sisusb-lts-vivid xserver-xorg-video-tdfx-lts-vivid xserver-xorg-video-trident-lts-vivid xserver-xorg-video-vesa-lts-vivid xserver-xorg-video-vmware-lts-vivid Suggested packages: xfonts-100dpi xfonts-75dpi gpointing-device-settings touchfreeze firmware-linux Recommended packages: libegl1-mesa-drivers-lts-vivid The following packages will be REMOVED: libegl1-mesa libegl1-mesa-drivers libgl1-mesa-dri libgl1-mesa-glx libglapi-mesa libgles2-mesa libopenvg1-mesa libwayland-egl1-mesa libxatracker2 xserver-xorg xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-evdev xserver-xorg-input-mouse xserver-xorg-input-synaptics xserver-xorg-input-vmmouse xserver-xorg-input-wacom xserver-xorg-video-all xserver-xorg-video-ati xserver-xorg-video-cirrus xserver-xorg-video-fbdev xserver-xorg-video-glamoregl xserver-xorg-video-intel xserver-xorg-video-mach64 xserver-xorg-video-mga xserver-xorg-video-modesetting xserver-xorg-video-neomagic xserver-xorg-video-nouveau xserver-xorg-video-openchrome xserver-xorg-video-qxl xserver-xorg-video-r128 xserver-xorg-video-radeon xserver-xorg-video-s3 xserver-xorg-video-savage xserver-xorg-video-siliconmotion xserver-xorg-video-sis xserver-xorg-video-sisusb xserver-xorg-video-tdfx xserver-xorg-video-trident xserver-xorg-video-vesa xserver-xorg-video-vmware The following NEW packages will be installed: libegl1-mesa-lts-vivid libgbm1-lts-vivid libgl1-mesa-dri-lts-vivid libgl1-mesa-glx-lts-vivid libglapi-mesa-lts-vivid libgles1-mesa-lts-vivid libgles2-mesa-lts-vivid libwayland-egl1-mesa-lts-vivid libxatracker2-lts-vivid xserver-xorg-core-lts-vivid xserver-xorg-input-all-lts-vivid xserver-xorg-input-evdev-lts-vivid xserver-xorg-input-mouse-lts-vivid xserver-xorg-input-synaptics-lts-vivid xserver-xorg-input-vmmouse-lts-vivid xserver-xorg-input-wacom-lts-vivid xserver-xorg-lts-vivid xserver-xorg-video-all-lts-vivid xserver-xorg-video-ati-lts-vivid xserver-xorg-video-cirrus-lts-vivid xserver-xorg-video-fbdev-lts-vivid xserver-xorg-video-intel-lts-vivid xserver-xorg-video-mach64-lts-vivid xserver-xorg-video-mga-lts-vivid xserver-xorg-video-neomagic-lts-vivid xserver-xorg-video-nouveau-lts-vivid xserver-xorg-video-openchrome-lts-vivid xserver-xorg-video-r128-lts-vivid xserver-xorg-video-radeon-lts-vivid xserver-xorg-video-savage-lts-vivid xserver-xorg-video-siliconmotion-lts-vivid xserver-xorg-video-sisusb-lts-vivid xserver-xorg-video-tdfx-lts-vivid xserver-xorg-video-trident-lts-vivid xserver-xorg-video-vesa-lts-vivid xserver-xorg-video-vmware-lts-vivid 0 upgraded, 36 newly installed, 41 to remove and 3 not upgraded. Need to get 7,613 kB of archives. After this operation, 24.5 MB disk space will be freed. ** Changed in: xorg-server-lts-vivid (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server-lts-vivid in Ubuntu. https://bugs.launchpad.net/bugs/1480245 Title: package xserver-xorg-core-lts-vivid (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-vivid/+bug/1480245/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp