Bug solved, circular conflict was due to not well installed PPA. For replacing a xserver-xorg-video-intel from Ubuntu by one from PPA, Stefan Glasenhardt told me to do: sudo apt-get -o Dpkg::Options::="--force-overwrite" dist-upgrade instead of sudo apt-get upgrade. It worked.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1093517 Title: libdrm-nouveau conflicts between versions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/1093517/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
