I'm not sure this is the right way to fix it, since it wouldn't allow packages that depend on libosmesa6 to be installed, because versioned Provides is not supported there... that would need fixing the stock mesa to build libosmesa statically so that it wouldn't depend on libglapi- mesa.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1424059 Title: libosmesa6 conflicts with libglapi-mesa-lts-utopic Status in mesa package in Ubuntu: Invalid Status in mesa-lts-utopic package in Ubuntu: Confirmed Status in mesa-lts-vivid package in Ubuntu: Incomplete Bug description: [Description] libosmesa6 10.1.3-0ubuntu0.3 amd64 can't be installed because it depends on libglapi-mesa (= 10.1.3-0ubuntu0.3), but libglapi-mesa-lts-utopic 10.3.2-0ubuntu1~trusty2 amd64 is '10.3.2-0ubuntu1' not '10.1.3-0ubuntu0.3'. [Test Case] >sudo aptitude install libosmesa6 The following NEW packages will be installed: libglapi-mesa{a} libosmesa6 0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 1,009 kB of archives. After unpacking 3,682 kB will be used. The following packages have unmet dependencies: xserver-xorg-lts-utopic : Conflicts: libglapi-mesa (>= 0~) but 10.1.3-0ubuntu0.3 is to be installed. libglapi-mesa-lts-utopic : Conflicts: libglapi-mesa but 10.1.3-0ubuntu0.3 is to be installed. [Possible solution] Include utopic's libosmesa(-dev) in the LTS enablement stack, so versions match. [Reverse dependencies] libosmesa6-dev desmume crossover wine recommends libosmesa6 ... ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: libglapi-mesa-lts-utopic 10.3.2-0ubuntu1~trusty2 ProcVersionSignature: Ubuntu 3.16.0-31.41~14.04.1-generic 3.16.7-ckt5 Uname: Linux 3.16.0-31-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 CurrentDesktop: Unity Date: Fri Feb 20 15:45:52 2015 Dependencies: gcc-4.9-base 4.9.1-0ubuntu1 libc6 2.19-0ubuntu6.5 libgcc1 1:4.9.1-0ubuntu1 multiarch-support 2.19-0ubuntu6.5 InstallationDate: Installed on 2015-02-08 (12 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150203.2) SourcePackage: mesa-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1424059/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp