you have a hybrid system and it loads both radeon and vesa drivers, since the other chip is not supported by the kernel and/or the -ati driver.. I guess the server could be more clever here and never load vesa on a hybrid.
can you try saucy if it's fixed there? ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Importance: Undecided => High ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1231916 Title: AMD A6-5400k APU with Radeon HD 8600 - Failed to start X after Installation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1231916/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs